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Michal Luczaj
135ffc7bec bpf, vsock: Invoke proto::close on close() 
vsock defines a BPF callback to be invoked when close() is called. However,
this callback is never actually executed. As a result, a closed vsock
socket is not automatically removed from the sockmap/sockhash.

Introduce a dummy vsock_close() and make vsock_release() call proto::close.

Note: changes in __vsock_release() look messy, but it's only due to indent
level reduction and variables xmas tree reorder.

Fixes: 634f1a7110 ("vsock: support sockmap")
Signed-off-by: Michal Luczaj <mhal@rbox.co>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Luigi Leonardi <leonardi@redhat.com>
Link: https://lore.kernel.org/r/20241118-vsock-bpf-poll-close-v1-3-f1b9669cacdc@rbox.co
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
 2024-11-25 14:19:14 -08:00
Michal Luczaj
9c2a2a4513 selftest/bpf: Add test for af_vsock poll() 
Verify that vsock's poll() notices when sk_psock::ingress_msg isn't empty.

Signed-off-by: Michal Luczaj <mhal@rbox.co>
Acked-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20241118-vsock-bpf-poll-close-v1-2-f1b9669cacdc@rbox.co
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
 2024-11-25 14:19:14 -08:00
Michal Luczaj
9f0fc98145 bpf, vsock: Fix poll() missing a queue 
When a verdict program simply passes a packet without redirection, sk_msg
is enqueued on sk_psock::ingress_msg. Add a missing check to poll().

Fixes: 634f1a7110 ("vsock: support sockmap")
Signed-off-by: Michal Luczaj <mhal@rbox.co>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Luigi Leonardi <leonardi@redhat.com>
Link: https://lore.kernel.org/r/20241118-vsock-bpf-poll-close-v1-1-f1b9669cacdc@rbox.co
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
 2024-11-25 14:19:14 -08:00
Thomas Weißschuh
8618f5ffba bpf, lsm: Remove getlsmprop hooks BTF IDs 
These hooks are not useful for BPF LSM currently.
Furthermore a recent renaming introduced build warnings:

  BTFIDS  vmlinux
WARN: resolve_btfids: unresolved symbol bpf_lsm_task_getsecid_obj
WARN: resolve_btfids: unresolved symbol bpf_lsm_current_getsecid_subj

Link: https://lore.kernel.org/lkml/20241123-bpf_lsm_task_getsecid_obj-v1-1-0d0f94649e05@weissschuh.net/
Fixes: 37f670aacd ("lsm: use lsm_prop in security_current_getsecid")
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20241125-bpf_lsm_task_getsecid_obj-v2-1-c8395bde84e0@weissschuh.net
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-11-25 14:14:17 -08:00
Linus Torvalds
9f16d5e6f2 The biggest change here is eliminating the awful idea that KVM had, of 
essentially guessing which pfns are refcounted pages.  The reason to
 do so was that KVM needs to map both non-refcounted pages (for example
 BARs of VFIO devices) and VM_PFNMAP/VM_MIXMEDMAP VMAs that contain
 refcounted pages.  However, the result was security issues in the past,
 and more recently the inability to map VM_IO and VM_PFNMAP memory
 that _is_ backed by struct page but is not refcounted.  In particular
 this broke virtio-gpu blob resources (which directly map host graphics
 buffers into the guest as "vram" for the virtio-gpu device) with the
 amdgpu driver, because amdgpu allocates non-compound higher order pages
 and the tail pages could not be mapped into KVM.
 
 This requires adjusting all uses of struct page in the per-architecture
 code, to always work on the pfn whenever possible.  The large series that
 did this, from David Stevens and Sean Christopherson, also cleaned up
 substantially the set of functions that provided arch code with the
 pfn for a host virtual addresses.  The previous maze of twisty little
 passages, all different, is replaced by five functions (__gfn_to_page,
 __kvm_faultin_pfn, the non-__ versions of these two, and kvm_prefetch_pages)
 saving almost 200 lines of code.
 
 ARM:
 
 * Support for stage-1 permission indirection (FEAT_S1PIE) and
   permission overlays (FEAT_S1POE), including nested virt + the
   emulated page table walker
 
 * Introduce PSCI SYSTEM_OFF2 support to KVM + client driver. This call
   was introduced in PSCIv1.3 as a mechanism to request hibernation,
   similar to the S4 state in ACPI
 
 * Explicitly trap + hide FEAT_MPAM (QoS controls) from KVM guests. As
   part of it, introduce trivial initialization of the host's MPAM
   context so KVM can use the corresponding traps
 
 * PMU support under nested virtualization, honoring the guest
   hypervisor's trap configuration and event filtering when running a
   nested guest
 
 * Fixes to vgic ITS serialization where stale device/interrupt table
   entries are not zeroed when the mapping is invalidated by the VM
 
 * Avoid emulated MMIO completion if userspace has requested synchronous
   external abort injection
 
 * Various fixes and cleanups affecting pKVM, vCPU initialization, and
   selftests
 
 LoongArch:
 
 * Add iocsr and mmio bus simulation in kernel.
 
 * Add in-kernel interrupt controller emulation.
 
 * Add support for virtualization extensions to the eiointc irqchip.
 
 PPC:
 
 * Drop lingering and utterly obsolete references to PPC970 KVM, which was
   removed 10 years ago.
 
 * Fix incorrect documentation references to non-existing ioctls
 
 RISC-V:
 
 * Accelerate KVM RISC-V when running as a guest
 
 * Perf support to collect KVM guest statistics from host side
 
 s390:
 
 * New selftests: more ucontrol selftests and CPU model sanity checks
 
 * Support for the gen17 CPU model
 
 * List registers supported by KVM_GET/SET_ONE_REG in the documentation
 
 x86:
 
 * Cleanup KVM's handling of Accessed and Dirty bits to dedup code, improve
   documentation, harden against unexpected changes.  Even if the hardware
   A/D tracking is disabled, it is possible to use the hardware-defined A/D
   bits to track if a PFN is Accessed and/or Dirty, and that removes a lot
   of special cases.
 
 * Elide TLB flushes when aging secondary PTEs, as has been done in x86's
   primary MMU for over 10 years.
 
 * Recover huge pages in-place in the TDP MMU when dirty page logging is
   toggled off, instead of zapping them and waiting until the page is
   re-accessed to create a huge mapping.  This reduces vCPU jitter.
 
 * Batch TLB flushes when dirty page logging is toggled off.  This reduces
   the time it takes to disable dirty logging by ~3x.
 
 * Remove the shrinker that was (poorly) attempting to reclaim shadow page
   tables in low-memory situations.
 
 * Clean up and optimize KVM's handling of writes to MSR_IA32_APICBASE.
 
 * Advertise CPUIDs for new instructions in Clearwater Forest
 
 * Quirk KVM's misguided behavior of initialized certain feature MSRs to
   their maximum supported feature set, which can result in KVM creating
   invalid vCPU state.  E.g. initializing PERF_CAPABILITIES to a non-zero
   value results in the vCPU having invalid state if userspace hides PDCM
   from the guest, which in turn can lead to save/restore failures.
 
 * Fix KVM's handling of non-canonical checks for vCPUs that support LA57
   to better follow the "architecture", in quotes because the actual
   behavior is poorly documented.  E.g. most MSR writes and descriptor
   table loads ignore CR4.LA57 and operate purely on whether the CPU
   supports LA57.
 
 * Bypass the register cache when querying CPL from kvm_sched_out(), as
   filling the cache from IRQ context is generally unsafe; harden the
   cache accessors to try to prevent similar issues from occuring in the
   future.  The issue that triggered this change was already fixed in 6.12,
   but was still kinda latent.
 
 * Advertise AMD_IBPB_RET to userspace, and fix a related bug where KVM
   over-advertises SPEC_CTRL when trying to support cross-vendor VMs.
 
 * Minor cleanups
 
 * Switch hugepage recovery thread to use vhost_task.  These kthreads can
   consume significant amounts of CPU time on behalf of a VM or in response
   to how the VM behaves (for example how it accesses its memory); therefore
   KVM tried to place the thread in the VM's cgroups and charge the CPU
   time consumed by that work to the VM's container.  However the kthreads
   did not process SIGSTOP/SIGCONT, and therefore cgroups which had KVM
   instances inside could not complete freezing.  Fix this by replacing the
   kthread with a PF_USER_WORKER thread, via the vhost_task abstraction.
   Another 100+ lines removed, with generally better behavior too like
   having these threads properly parented in the process tree.
 
 * Revert a workaround for an old CPU erratum (Nehalem/Westmere) that didn't
   really work; there was really nothing to work around anyway: the broken
   patch was meant to fix nested virtualization, but the PERF_GLOBAL_CTRL
   MSR is virtualized and therefore unaffected by the erratum.
 
 * Fix 6.12 regression where CONFIG_KVM will be built as a module even
   if asked to be builtin, as long as neither KVM_INTEL nor KVM_AMD is 'y'.
 
 x86 selftests:
 
 * x86 selftests can now use AVX.
 
 Documentation:
 
 * Use rST internal links
 
 * Reorganize the introduction to the API document
 
 Generic:
 
 * Protect vcpu->pid accesses outside of vcpu->mutex with a rwlock instead
   of RCU, so that running a vCPU on a different task doesn't encounter long
   due to having to wait for all CPUs become quiescent.  In general both reads
   and writes are rare, but userspace that supports confidential computing is
   introducing the use of "helper" vCPUs that may jump from one host processor
   to another.  Those will be very happy to trigger a synchronize_rcu(), and
   the effect on performance is quite the disaster.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm updates from Paolo Bonzini:
 "The biggest change here is eliminating the awful idea that KVM had of
  essentially guessing which pfns are refcounted pages.

  The reason to do so was that KVM needs to map both non-refcounted
  pages (for example BARs of VFIO devices) and VM_PFNMAP/VM_MIXMEDMAP
  VMAs that contain refcounted pages.

  However, the result was security issues in the past, and more recently
  the inability to map VM_IO and VM_PFNMAP memory that _is_ backed by
  struct page but is not refcounted. In particular this broke virtio-gpu
  blob resources (which directly map host graphics buffers into the
  guest as "vram" for the virtio-gpu device) with the amdgpu driver,
  because amdgpu allocates non-compound higher order pages and the tail
  pages could not be mapped into KVM.

  This requires adjusting all uses of struct page in the
  per-architecture code, to always work on the pfn whenever possible.
  The large series that did this, from David Stevens and Sean
  Christopherson, also cleaned up substantially the set of functions
  that provided arch code with the pfn for a host virtual addresses.

  The previous maze of twisty little passages, all different, is
  replaced by five functions (__gfn_to_page, __kvm_faultin_pfn, the
  non-__ versions of these two, and kvm_prefetch_pages) saving almost
  200 lines of code.

  ARM:

   - Support for stage-1 permission indirection (FEAT_S1PIE) and
     permission overlays (FEAT_S1POE), including nested virt + the
     emulated page table walker

   - Introduce PSCI SYSTEM_OFF2 support to KVM + client driver. This
     call was introduced in PSCIv1.3 as a mechanism to request
     hibernation, similar to the S4 state in ACPI

   - Explicitly trap + hide FEAT_MPAM (QoS controls) from KVM guests. As
     part of it, introduce trivial initialization of the host's MPAM
     context so KVM can use the corresponding traps

   - PMU support under nested virtualization, honoring the guest
     hypervisor's trap configuration and event filtering when running a
     nested guest

   - Fixes to vgic ITS serialization where stale device/interrupt table
     entries are not zeroed when the mapping is invalidated by the VM

   - Avoid emulated MMIO completion if userspace has requested
     synchronous external abort injection

   - Various fixes and cleanups affecting pKVM, vCPU initialization, and
     selftests

  LoongArch:

   - Add iocsr and mmio bus simulation in kernel.

   - Add in-kernel interrupt controller emulation.

   - Add support for virtualization extensions to the eiointc irqchip.

  PPC:

   - Drop lingering and utterly obsolete references to PPC970 KVM, which
     was removed 10 years ago.

   - Fix incorrect documentation references to non-existing ioctls

  RISC-V:

   - Accelerate KVM RISC-V when running as a guest

   - Perf support to collect KVM guest statistics from host side

  s390:

   - New selftests: more ucontrol selftests and CPU model sanity checks

   - Support for the gen17 CPU model

   - List registers supported by KVM_GET/SET_ONE_REG in the
     documentation

  x86:

   - Cleanup KVM's handling of Accessed and Dirty bits to dedup code,
     improve documentation, harden against unexpected changes.

     Even if the hardware A/D tracking is disabled, it is possible to
     use the hardware-defined A/D bits to track if a PFN is Accessed
     and/or Dirty, and that removes a lot of special cases.

   - Elide TLB flushes when aging secondary PTEs, as has been done in
     x86's primary MMU for over 10 years.

   - Recover huge pages in-place in the TDP MMU when dirty page logging
     is toggled off, instead of zapping them and waiting until the page
     is re-accessed to create a huge mapping. This reduces vCPU jitter.

   - Batch TLB flushes when dirty page logging is toggled off. This
     reduces the time it takes to disable dirty logging by ~3x.

   - Remove the shrinker that was (poorly) attempting to reclaim shadow
     page tables in low-memory situations.

   - Clean up and optimize KVM's handling of writes to
     MSR_IA32_APICBASE.

   - Advertise CPUIDs for new instructions in Clearwater Forest

   - Quirk KVM's misguided behavior of initialized certain feature MSRs
     to their maximum supported feature set, which can result in KVM
     creating invalid vCPU state. E.g. initializing PERF_CAPABILITIES to
     a non-zero value results in the vCPU having invalid state if
     userspace hides PDCM from the guest, which in turn can lead to
     save/restore failures.

   - Fix KVM's handling of non-canonical checks for vCPUs that support
     LA57 to better follow the "architecture", in quotes because the
     actual behavior is poorly documented. E.g. most MSR writes and
     descriptor table loads ignore CR4.LA57 and operate purely on
     whether the CPU supports LA57.

   - Bypass the register cache when querying CPL from kvm_sched_out(),
     as filling the cache from IRQ context is generally unsafe; harden
     the cache accessors to try to prevent similar issues from occuring
     in the future. The issue that triggered this change was already
     fixed in 6.12, but was still kinda latent.

   - Advertise AMD_IBPB_RET to userspace, and fix a related bug where
     KVM over-advertises SPEC_CTRL when trying to support cross-vendor
     VMs.

   - Minor cleanups

   - Switch hugepage recovery thread to use vhost_task.

     These kthreads can consume significant amounts of CPU time on
     behalf of a VM or in response to how the VM behaves (for example
     how it accesses its memory); therefore KVM tried to place the
     thread in the VM's cgroups and charge the CPU time consumed by that
     work to the VM's container.

     However the kthreads did not process SIGSTOP/SIGCONT, and therefore
     cgroups which had KVM instances inside could not complete freezing.

     Fix this by replacing the kthread with a PF_USER_WORKER thread, via
     the vhost_task abstraction. Another 100+ lines removed, with
     generally better behavior too like having these threads properly
     parented in the process tree.

   - Revert a workaround for an old CPU erratum (Nehalem/Westmere) that
     didn't really work; there was really nothing to work around anyway:
     the broken patch was meant to fix nested virtualization, but the
     PERF_GLOBAL_CTRL MSR is virtualized and therefore unaffected by the
     erratum.

   - Fix 6.12 regression where CONFIG_KVM will be built as a module even
     if asked to be builtin, as long as neither KVM_INTEL nor KVM_AMD is
     'y'.

  x86 selftests:

   - x86 selftests can now use AVX.

  Documentation:

   - Use rST internal links

   - Reorganize the introduction to the API document

  Generic:

   - Protect vcpu->pid accesses outside of vcpu->mutex with a rwlock
     instead of RCU, so that running a vCPU on a different task doesn't
     encounter long due to having to wait for all CPUs become quiescent.

     In general both reads and writes are rare, but userspace that
     supports confidential computing is introducing the use of "helper"
     vCPUs that may jump from one host processor to another. Those will
     be very happy to trigger a synchronize_rcu(), and the effect on
     performance is quite the disaster"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (298 commits)
  KVM: x86: Break CONFIG_KVM_X86's direct dependency on KVM_INTEL || KVM_AMD
  KVM: x86: add back X86_LOCAL_APIC dependency
  Revert "KVM: VMX: Move LOAD_IA32_PERF_GLOBAL_CTRL errata handling out of setup_vmcs_config()"
  KVM: x86: switch hugepage recovery thread to vhost_task
  KVM: x86: expose MSR_PLATFORM_INFO as a feature MSR
  x86: KVM: Advertise CPUIDs for new instructions in Clearwater Forest
  Documentation: KVM: fix malformed table
  irqchip/loongson-eiointc: Add virt extension support
  LoongArch: KVM: Add irqfd support
  LoongArch: KVM: Add PCHPIC user mode read and write functions
  LoongArch: KVM: Add PCHPIC read and write functions
  LoongArch: KVM: Add PCHPIC device support
  LoongArch: KVM: Add EIOINTC user mode read and write functions
  LoongArch: KVM: Add EIOINTC read and write functions
  LoongArch: KVM: Add EIOINTC device support
  LoongArch: KVM: Add IPI user mode read and write function
  LoongArch: KVM: Add IPI read and write function
  LoongArch: KVM: Add IPI device support
  LoongArch: KVM: Add iocsr and mmio bus simulation in kernel
  KVM: arm64: Pass on SVE mapping failures
  ...
 2024-11-23 16:00:50 -08:00
Linus Torvalds
42d9e8b7cc powerpc updates for 6.13 
- Rework kfence support for the HPT MMU to work on systems with >= 16TB of RAM.
 
  - Remove the powerpc "maple" platform, used by the "Yellow Dog Powerstation".
 
  - Add support for DYNAMIC_FTRACE_WITH_CALL_OPS,
    DYNAMIC_FTRACE_WITH_DIRECT_CALLS & BPF Trampolines.
 
  - Add support for running KVM nested guests on Power11.
 
  - Other small features, cleanups and fixes.
 
 Thanks to: Amit Machhiwal, Arnd Bergmann, Christophe Leroy, Costa Shulyupin,
 David Hunter, David Wang, Disha Goel, Gautam Menghani, Geert Uytterhoeven,
 Hari Bathini, Julia Lawall, Kajol Jain, Keith Packard, Lukas Bulwahn, Madhavan
 Srinivasan, Markus Elfring, Michal Suchanek, Ming Lei, Mukesh Kumar Chaurasiya,
 Nathan Chancellor, Naveen N Rao, Nicholas Piggin, Nysal Jan K.A, Paulo Miguel
 Almeida, Pavithra Prakash, Ritesh Harjani (IBM), Rob Herring (Arm), Sachin P
 Bappalige, Shen Lichuan, Simon Horman, Sourabh Jain, Thomas Weißschuh, Thorsten
 Blum, Thorsten Leemhuis, Venkat Rao Bagalkote, Zhang Zekun,
 zhang jiao.
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Merge tag 'powerpc-6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:

 - Rework kfence support for the HPT MMU to work on systems with >= 16TB
   of RAM.

 - Remove the powerpc "maple" platform, used by the "Yellow Dog
   Powerstation".

 - Add support for DYNAMIC_FTRACE_WITH_CALL_OPS,
   DYNAMIC_FTRACE_WITH_DIRECT_CALLS & BPF Trampolines.

 - Add support for running KVM nested guests on Power11.

 - Other small features, cleanups and fixes.

Thanks to Amit Machhiwal, Arnd Bergmann, Christophe Leroy, Costa
Shulyupin, David Hunter, David Wang, Disha Goel, Gautam Menghani, Geert
Uytterhoeven, Hari Bathini, Julia Lawall, Kajol Jain, Keith Packard,
Lukas Bulwahn, Madhavan Srinivasan, Markus Elfring, Michal Suchanek,
Ming Lei, Mukesh Kumar Chaurasiya, Nathan Chancellor, Naveen N Rao,
Nicholas Piggin, Nysal Jan K.A, Paulo Miguel Almeida, Pavithra Prakash,
Ritesh Harjani (IBM), Rob Herring (Arm), Sachin P Bappalige, Shen
Lichuan, Simon Horman, Sourabh Jain, Thomas Weißschuh, Thorsten Blum,
Thorsten Leemhuis, Venkat Rao Bagalkote, Zhang Zekun, and zhang jiao.

* tag 'powerpc-6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (89 commits)
  EDAC/powerpc: Remove PPC_MAPLE drivers
  powerpc/perf: Add per-task/process monitoring to vpa_pmu driver
  powerpc/kvm: Add vpa latency counters to kvm_vcpu_arch
  docs: ABI: sysfs-bus-event_source-devices-vpa-pmu: Document sysfs event format entries for vpa_pmu
  powerpc/perf: Add perf interface to expose vpa counters
  MAINTAINERS: powerpc: Mark Maddy as "M"
  powerpc/Makefile: Allow overriding CPP
  powerpc-km82xx.c: replace of_node_put() with __free
  ps3: Correct some typos in comments
  powerpc/kexec: Fix return of uninitialized variable
  macintosh: Use common error handling code in via_pmu_led_init()
  powerpc/powermac: Use of_property_match_string() in pmac_has_backlight_type()
  powerpc: remove dead config options for MPC85xx platform support
  powerpc/xive: Use cpumask_intersects()
  selftests/powerpc: Remove the path after initialization.
  powerpc/xmon: symbol lookup length fixed
  powerpc/ep8248e: Use %pa to format resource_size_t
  powerpc/ps3: Reorganize kerneldoc parameter names
  KVM: PPC: Book3S HV: Fix kmv -> kvm typo
  powerpc/sstep: make emulate_vsx_load and emulate_vsx_store static
  ...
 2024-11-23 10:44:31 -08:00
Linus Torvalds
5c00ff742b - The series "zram: optimal post-processing target selection" from 
Sergey Senozhatsky improves zram's post-processing selection algorithm.
   This leads to improved memory savings.
 
 - Wei Yang has gone to town on the mapletree code, contributing several
   series which clean up the implementation:
 
 	- "refine mas_mab_cp()"
 	- "Reduce the space to be cleared for maple_big_node"
 	- "maple_tree: simplify mas_push_node()"
 	- "Following cleanup after introduce mas_wr_store_type()"
 	- "refine storing null"
 
 - The series "selftests/mm: hugetlb_fault_after_madv improvements" from
   David Hildenbrand fixes this selftest for s390.
 
 - The series "introduce pte_offset_map_{ro|rw}_nolock()" from Qi Zheng
   implements some rationaizations and cleanups in the page mapping code.
 
 - The series "mm: optimize shadow entries removal" from Shakeel Butt
   optimizes the file truncation code by speeding up the handling of shadow
   entries.
 
 - The series "Remove PageKsm()" from Matthew Wilcox completes the
   migration of this flag over to being a folio-based flag.
 
 - The series "Unify hugetlb into arch_get_unmapped_area functions" from
   Oscar Salvador implements a bunch of consolidations and cleanups in the
   hugetlb code.
 
 - The series "Do not shatter hugezeropage on wp-fault" from Dev Jain
   takes away the wp-fault time practice of turning a huge zero page into
   small pages.  Instead we replace the whole thing with a THP.  More
   consistent cleaner and potentiall saves a large number of pagefaults.
 
 - The series "percpu: Add a test case and fix for clang" from Andy
   Shevchenko enhances and fixes the kernel's built in percpu test code.
 
 - The series "mm/mremap: Remove extra vma tree walk" from Liam Howlett
   optimizes mremap() by avoiding doing things which we didn't need to do.
 
 - The series "Improve the tmpfs large folio read performance" from
   Baolin Wang teaches tmpfs to copy data into userspace at the folio size
   rather than as individual pages.  A 20% speedup was observed.
 
 - The series "mm/damon/vaddr: Fix issue in
   damon_va_evenly_split_region()" fro Zheng Yejian fixes DAMON splitting.
 
 - The series "memcg-v1: fully deprecate charge moving" from Shakeel Butt
   removes the long-deprecated memcgv2 charge moving feature.
 
 - The series "fix error handling in mmap_region() and refactor" from
   Lorenzo Stoakes cleanup up some of the mmap() error handling and
   addresses some potential performance issues.
 
 - The series "x86/module: use large ROX pages for text allocations" from
   Mike Rapoport teaches x86 to use large pages for read-only-execute
   module text.
 
 - The series "page allocation tag compression" from Suren Baghdasaryan
   is followon maintenance work for the new page allocation profiling
   feature.
 
 - The series "page->index removals in mm" from Matthew Wilcox remove
   most references to page->index in mm/.  A slow march towards shrinking
   struct page.
 
 - The series "damon/{self,kunit}tests: minor fixups for DAMON debugfs
   interface tests" from Andrew Paniakin performs maintenance work for
   DAMON's self testing code.
 
 - The series "mm: zswap swap-out of large folios" from Kanchana Sridhar
   improves zswap's batching of compression and decompression.  It is a
   step along the way towards using Intel IAA hardware acceleration for
   this zswap operation.
 
 - The series "kasan: migrate the last module test to kunit" from
   Sabyrzhan Tasbolatov completes the migration of the KASAN built-in tests
   over to the KUnit framework.
 
 - The series "implement lightweight guard pages" from Lorenzo Stoakes
   permits userapace to place fault-generating guard pages within a single
   VMA, rather than requiring that multiple VMAs be created for this.
   Improved efficiencies for userspace memory allocators are expected.
 
 - The series "memcg: tracepoint for flushing stats" from JP Kobryn uses
   tracepoints to provide increased visibility into memcg stats flushing
   activity.
 
 - The series "zram: IDLE flag handling fixes" from Sergey Senozhatsky
   fixes a zram buglet which potentially affected performance.
 
 - The series "mm: add more kernel parameters to control mTHP" from
   Maíra Canal enhances our ability to control/configuremultisize THP from
   the kernel boot command line.
 
 - The series "kasan: few improvements on kunit tests" from Sabyrzhan
   Tasbolatov has a couple of fixups for the KASAN KUnit tests.
 
 - The series "mm/list_lru: Split list_lru lock into per-cgroup scope"
   from Kairui Song optimizes list_lru memory utilization when lockdep is
   enabled.
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Merge tag 'mm-stable-2024-11-18-19-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:

 - The series "zram: optimal post-processing target selection" from
   Sergey Senozhatsky improves zram's post-processing selection
   algorithm. This leads to improved memory savings.

 - Wei Yang has gone to town on the mapletree code, contributing several
   series which clean up the implementation:
	- "refine mas_mab_cp()"
	- "Reduce the space to be cleared for maple_big_node"
	- "maple_tree: simplify mas_push_node()"
	- "Following cleanup after introduce mas_wr_store_type()"
	- "refine storing null"

 - The series "selftests/mm: hugetlb_fault_after_madv improvements" from
   David Hildenbrand fixes this selftest for s390.

 - The series "introduce pte_offset_map_{ro|rw}_nolock()" from Qi Zheng
   implements some rationaizations and cleanups in the page mapping
   code.

 - The series "mm: optimize shadow entries removal" from Shakeel Butt
   optimizes the file truncation code by speeding up the handling of
   shadow entries.

 - The series "Remove PageKsm()" from Matthew Wilcox completes the
   migration of this flag over to being a folio-based flag.

 - The series "Unify hugetlb into arch_get_unmapped_area functions" from
   Oscar Salvador implements a bunch of consolidations and cleanups in
   the hugetlb code.

 - The series "Do not shatter hugezeropage on wp-fault" from Dev Jain
   takes away the wp-fault time practice of turning a huge zero page
   into small pages. Instead we replace the whole thing with a THP. More
   consistent cleaner and potentiall saves a large number of pagefaults.

 - The series "percpu: Add a test case and fix for clang" from Andy
   Shevchenko enhances and fixes the kernel's built in percpu test code.

 - The series "mm/mremap: Remove extra vma tree walk" from Liam Howlett
   optimizes mremap() by avoiding doing things which we didn't need to
   do.

 - The series "Improve the tmpfs large folio read performance" from
   Baolin Wang teaches tmpfs to copy data into userspace at the folio
   size rather than as individual pages. A 20% speedup was observed.

 - The series "mm/damon/vaddr: Fix issue in
   damon_va_evenly_split_region()" fro Zheng Yejian fixes DAMON
   splitting.

 - The series "memcg-v1: fully deprecate charge moving" from Shakeel
   Butt removes the long-deprecated memcgv2 charge moving feature.

 - The series "fix error handling in mmap_region() and refactor" from
   Lorenzo Stoakes cleanup up some of the mmap() error handling and
   addresses some potential performance issues.

 - The series "x86/module: use large ROX pages for text allocations"
   from Mike Rapoport teaches x86 to use large pages for
   read-only-execute module text.

 - The series "page allocation tag compression" from Suren Baghdasaryan
   is followon maintenance work for the new page allocation profiling
   feature.

 - The series "page->index removals in mm" from Matthew Wilcox remove
   most references to page->index in mm/. A slow march towards shrinking
   struct page.

 - The series "damon/{self,kunit}tests: minor fixups for DAMON debugfs
   interface tests" from Andrew Paniakin performs maintenance work for
   DAMON's self testing code.

 - The series "mm: zswap swap-out of large folios" from Kanchana Sridhar
   improves zswap's batching of compression and decompression. It is a
   step along the way towards using Intel IAA hardware acceleration for
   this zswap operation.

 - The series "kasan: migrate the last module test to kunit" from
   Sabyrzhan Tasbolatov completes the migration of the KASAN built-in
   tests over to the KUnit framework.

 - The series "implement lightweight guard pages" from Lorenzo Stoakes
   permits userapace to place fault-generating guard pages within a
   single VMA, rather than requiring that multiple VMAs be created for
   this. Improved efficiencies for userspace memory allocators are
   expected.

 - The series "memcg: tracepoint for flushing stats" from JP Kobryn uses
   tracepoints to provide increased visibility into memcg stats flushing
   activity.

 - The series "zram: IDLE flag handling fixes" from Sergey Senozhatsky
   fixes a zram buglet which potentially affected performance.

 - The series "mm: add more kernel parameters to control mTHP" from
   Maíra Canal enhances our ability to control/configuremultisize THP
   from the kernel boot command line.

 - The series "kasan: few improvements on kunit tests" from Sabyrzhan
   Tasbolatov has a couple of fixups for the KASAN KUnit tests.

 - The series "mm/list_lru: Split list_lru lock into per-cgroup scope"
   from Kairui Song optimizes list_lru memory utilization when lockdep
   is enabled.

* tag 'mm-stable-2024-11-18-19-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (215 commits)
  cma: enforce non-zero pageblock_order during cma_init_reserved_mem()
  mm/kfence: add a new kunit test test_use_after_free_read_nofault()
  zram: fix NULL pointer in comp_algorithm_show()
  memcg/hugetlb: add hugeTLB counters to memcg
  vmstat: call fold_vm_zone_numa_events() before show per zone NUMA event
  mm: mmap_lock: check trace_mmap_lock_$type_enabled() instead of regcount
  zram: ZRAM_DEF_COMP should depend on ZRAM
  MAINTAINERS/MEMORY MANAGEMENT: add document files for mm
  Docs/mm/damon: recommend academic papers to read and/or cite
  mm: define general function pXd_init()
  kmemleak: iommu/iova: fix transient kmemleak false positive
  mm/list_lru: simplify the list_lru walk callback function
  mm/list_lru: split the lock to per-cgroup scope
  mm/list_lru: simplify reparenting and initial allocation
  mm/list_lru: code clean up for reparenting
  mm/list_lru: don't export list_lru_add
  mm/list_lru: don't pass unnecessary key parameters
  kasan: add kunit tests for kmalloc_track_caller, kmalloc_node_track_caller
  kasan: change kasan_atomics kunit test as KUNIT_CASE_SLOW
  kasan: use EXPORT_SYMBOL_IF_KUNIT to export symbols
  ...
 2024-11-23 09:58:07 -08:00
Linus Torvalds
228a1157fb 15 smb3 client fixes, most also for stable 
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Merge tag '6.13-rc-part1-SMB3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull smb client updates from Steve French:

 - Fix two SMB3.1.1 POSIX Extensions problems

 - Fixes for special file handling (symlinks and FIFOs)

 - Improve compounding

 - Four cleanup patches

 - Fix use after free in signing

 - Add support for handling namespaces for reconnect related upcalls
   (e.g. for DNS names resolution and auth)

 - Fix various directory lease problems (directory entry caching),
   including some important potential use after frees

* tag '6.13-rc-part1-SMB3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  smb: prevent use-after-free due to open_cached_dir error paths
  smb: Don't leak cfid when reconnect races with open_cached_dir
  smb: client: handle max length for SMB symlinks
  smb: client: get rid of bounds check in SMB2_ioctl_init()
  smb: client: improve compound padding in encryption
  smb3: request handle caching when caching directories
  cifs: Recognize SFU char/block devices created by Windows NFS server on Windows Server <<2012
  CIFS: New mount option for cifs.upcall namespace resolution
  smb/client: Prevent error pointer dereference
  fs/smb/client: implement chmod() for SMB3 POSIX Extensions
  smb: cached directories can be more than root file handle
  smb: client: fix use-after-free of signing key
  smb: client: Use str_yes_no() helper function
  smb: client: memcpy() with surrounding object base address
  cifs: Remove pre-historic unused CIFSSMBCopy
 2024-11-22 21:54:14 -08:00
Linus Torvalds
e7675238b9 overlayfs updates for 6.13 
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Merge tag 'ovl-update-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs

Pull overlayfs updates from Amir Goldstein:

 - Fix a syzbot reported NULL pointer deref with bfs lower layers

 - Fix a copy up failure of large file from lower fuse fs

 - Followup cleanup of backing_file API from Miklos

 - Introduction and use of revert/override_creds_light() helpers, that
   were suggested by Christian as a mitigation to cache line bouncing
   and false sharing of fields in overlayfs creator_cred long lived
   struct cred copy.

 - Store up to two backing file references (upper and lower) in an
   ovl_file container instead of storing a single backing file in
   file->private_data.

   This is used to avoid the practice of opening a short lived backing
   file for the duration of some file operations and to avoid the
   specialized use of FDPUT_FPUT in such occasions, that was getting in
   the way of Al's fd_file() conversions.

* tag 'ovl-update-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs:
  ovl: Filter invalid inodes with missing lookup function
  ovl: convert ovl_real_fdget() callers to ovl_real_file()
  ovl: convert ovl_real_fdget_path() callers to ovl_real_file_path()
  ovl: store upper real file in ovl_file struct
  ovl: allocate a container struct ovl_file for ovl private context
  ovl: do not open non-data lower file for fsync
  ovl: Optimize override/revert creds
  ovl: pass an explicit reference of creators creds to callers
  ovl: use wrapper ovl_revert_creds()
  fs/backing-file: Convert to revert/override_creds_light()
  cred: Add a light version of override/revert_creds()
  backing-file: clean up the API
  ovl: properly handle large files in ovl_security_fileattr
 2024-11-22 20:55:42 -08:00
Linus Torvalds
060fc106b6 unicode updates 
This update includes:
 
   - A patch by Thomas Weißschuh constifying a read-only struct.
 
   - A patch by André Almeida fixing the error path of unicode_load,
   which might trigger a kernel oops if it fails to find the unicode
   module.
 
   - One documentation fix by Gan Jie, updating a filename in the README.
 
   - A patch by André Almeida adding the link of my tree to MAINTAINERS.
 
 All but the MAINTAINERS patch have been sitting on my tree and in
 linux-next since early in the 6.12 cycle.
 
 Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de>
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Merge tag 'unicode-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/krisman/unicode

Pull unicode updates from Gabriel Krisman Bertazi:

 - constify a read-only struct (Thomas Weißschuh)

 - fix the error path of unicode_load, avoiding a possible kernel oops
   if it fails to find the unicode module (André Almeida)

 - documentation fix, updating a filename in the README (Gan Jie)

 - add the link of my tree to MAINTAINERS (André Almeida)

* tag 'unicode-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/krisman/unicode:
  MAINTAINERS: Add Unicode tree
  unicode: change the reference of database file
  unicode: Fix utf8_load() error path
  unicode: constify utf8 data table
 2024-11-22 20:50:55 -08:00
Linus Torvalds
980f8f8fd4 Summary 
* sysctl ctl_table constification
 
   Constifying ctl_table structs prevents the modification of proc_handler
   function pointers. All ctl_table struct arguments are const qualified in the
   sysctl API in such a way that the ctl_table arrays being defined elsewhere
   and passed through sysctl can be constified one-by-one. We kick the
   constification off by qualifying user_table in kernel/ucount.c and expect all
   the ctl_tables to be constified in the coming releases.
 
 * Misc fixes
 
   Adjust comments in two places to better reflect the code. Remove superfluous
   dput calls. Remove Luis from sysctl maintainership. Replace comments about
   holding a lock with calls to lockdep_assert_held.
 
 * Testing
 
   All these went through 0-day and they have all been in linux-next for at
   least 1 month (since Oct-24). I also rand these through the sysctl selftest
   for x86_64.
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Merge tag 'sysctl-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl

Pull sysctl updates from Joel Granados:
 "sysctl ctl_table constification:

   - Constifying ctl_table structs prevents the modification of
     proc_handler function pointers. All ctl_table struct arguments are
     const qualified in the sysctl API in such a way that the ctl_table
     arrays being defined elsewhere and passed through sysctl can be
     constified one-by-one.

     We kick the constification off by qualifying user_table in
     kernel/ucount.c and expect all the ctl_tables to be constified in
     the coming releases.

  Misc fixes:

   - Adjust comments in two places to better reflect the code

   - Remove superfluous dput calls

   - Remove Luis from sysctl maintainership

   - Replace comments about holding a lock with calls to
     lockdep_assert_held"

* tag 'sysctl-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl:
  sysctl: Reduce dput(child) calls in proc_sys_fill_cache()
  sysctl: Reorganize kerneldoc parameter names
  ucounts: constify sysctl table user_table
  sysctl: update comments to new registration APIs
  MAINTAINERS: remove me from sysctl
  sysctl: Convert locking comments to lockdep assertions
  const_structs.checkpatch: add ctl_table
  sysctl: make internal ctl_tables const
  sysctl: allow registration of const struct ctl_table
  sysctl: move internal interfaces to const struct ctl_table
  bpf: Constify ctl_table argument of filter function
 2024-11-22 20:36:11 -08:00
Linus Torvalds
2a163a4cea RDMA v6.13 merge window pull request 
Seveal fixes scattered across the drivers and a few new features:
 
 - Minor updates and bug fixes to hfi1, efa, iopob, bnxt, hns
 
 - Force disassociate the userspace FD when hns does an async reset
 
 - bnxt new features for optimized modify QP to skip certain stayes, CQ
   coalescing, better debug dumping
 
 - mlx5 new data placement ordering feature
 
 - Faster destruction of mlx5 devx HW objects
 
 - Improvements to RDMA CM mad handling
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma updates from Jason Gunthorpe:
 "Seveal fixes scattered across the drivers and a few new features:

   - Minor updates and bug fixes to hfi1, efa, iopob, bnxt, hns

   - Force disassociate the userspace FD when hns does an async reset

   - bnxt new features for optimized modify QP to skip certain stayes,
     CQ coalescing, better debug dumping

   - mlx5 new data placement ordering feature

   - Faster destruction of mlx5 devx HW objects

   - Improvements to RDMA CM mad handling"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (51 commits)
  RDMA/bnxt_re: Correct the sequence of device suspend
  RDMA/bnxt_re: Use the default mode of congestion control
  RDMA/bnxt_re: Support different traffic class
  IB/cm: Rework sending DREQ when destroying a cm_id
  IB/cm: Do not hold reference on cm_id unless needed
  IB/cm: Explicitly mark if a response MAD is a retransmission
  RDMA/mlx5: Move events notifier registration to be after device registration
  RDMA/bnxt_re: Cache MSIx info to a local structure
  RDMA/bnxt_re: Refurbish CQ to NQ hash calculation
  RDMA/bnxt_re: Refactor NQ allocation
  RDMA/bnxt_re: Fail probe early when not enough MSI-x vectors are reserved
  RDMA/hns: Fix different dgids mapping to the same dip_idx
  RDMA/bnxt_re: Add set_func_resources support for P5/P7 adapters
  RDMA/bnxt_re: Enhance RoCE SRIOV resource configuration design
  bnxt_en: Add support for RoCE sriov configuration
  RDMA/hns: Fix NULL pointer derefernce in hns_roce_map_mr_sg()
  RDMA/hns: Fix out-of-order issue of requester when setting FENCE
  RDMA/nldev: Add IB device and net device rename events
  RDMA/mlx5: Add implementation for ufile_hw_cleanup device operation
  RDMA/core: Move ib_uverbs_file struct to uverbs_types.h
  ...
 2024-11-22 20:03:57 -08:00
Linus Torvalds
ceba6f6f33 IOMMU Updates for Linux v6.13: 
Including:
 
 	- Core Updates:
 	  - Convert call-sites using iommu_domain_alloc() to more specific
 	    versions and remove function.
 	  - Introduce iommu_paging_domain_alloc_flags().
 	  - Extend support for allocating PASID-capable domains to more
 	    drivers.
 	  - Remove iommu_present().
 	  - Some smaller improvements.
 
 	- New IOMMU driver for RISC-V.
 
 	- Intel VT-d Updates:
 	  - Add domain_alloc_paging support.
 	  - Enable user space IOPFs in non-PASID and non-svm cases.
 	  - Small code refactoring and cleanups.
 	  - Add domain replacement support for pasid.
 
 	- AMD-Vi Updates:
 	  - Adapt to iommu_paging_domain_alloc_flags() interface and alloc V2
 	    page-tables by default.
 	  - Replace custom domain ID allocator with IDA allocator.
 	  - Add ops->release_domain() support.
 	  - Other improvements to device attach and domain allocation code
 	    paths.
 
 	- ARM-SMMU Updates:
 	  - SMMUv2:
 	    - Return -EPROBE_DEFER for client devices probing before their SMMU.
 	    - Devicetree binding updates for Qualcomm MMU-500 implementations.
 	  - SMMUv3:
 	    - Minor fixes and cleanup for NVIDIA's virtual command queue driver.
 	  - IO-PGTable:
 	    - Fix indexing of concatenated PGDs and extend selftest coverage.
 	    - Remove unused block-splitting support.
 
 	- S390 IOMMU:
 	  - Implement support for blocking domain.
 
 	- Mediatek IOMMU:
 	  - Enable 35-bit physical address support for mt8186.
 
 	- OMAP IOMMU driver:
 	  - Adapt to recent IOMMU core changes and unbreak driver.
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Merge tag 'iommu-updates-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux

Pull iommu updates from Joerg Roedel:
 "Core Updates:
   - Convert call-sites using iommu_domain_alloc() to more specific
     versions and remove function
   - Introduce iommu_paging_domain_alloc_flags()
   - Extend support for allocating PASID-capable domains to more drivers
   - Remove iommu_present()
   - Some smaller improvements

  New IOMMU driver for RISC-V

  Intel VT-d Updates:
   - Add domain_alloc_paging support
   - Enable user space IOPFs in non-PASID and non-svm cases
   - Small code refactoring and cleanups
   - Add domain replacement support for pasid

  AMD-Vi Updates:
   - Adapt to iommu_paging_domain_alloc_flags() interface and alloc V2
     page-tables by default
   - Replace custom domain ID allocator with IDA allocator
   - Add ops->release_domain() support
   - Other improvements to device attach and domain allocation code
     paths

  ARM-SMMU Updates:
   - SMMUv2:
      - Return -EPROBE_DEFER for client devices probing before their
        SMMU
      - Devicetree binding updates for Qualcomm MMU-500 implementations
   - SMMUv3:
      - Minor fixes and cleanup for NVIDIA's virtual command queue
        driver
   - IO-PGTable:
      - Fix indexing of concatenated PGDs and extend selftest coverage
      - Remove unused block-splitting support

  S390 IOMMU:
   - Implement support for blocking domain

  Mediatek IOMMU:
   - Enable 35-bit physical address support for mt8186

  OMAP IOMMU driver:
   - Adapt to recent IOMMU core changes and unbreak driver"

* tag 'iommu-updates-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (92 commits)
  iommu/tegra241-cmdqv: Fix alignment failure at max_n_shift
  iommu: Make set_dev_pasid op support domain replacement
  iommu/arm-smmu-v3: Make set_dev_pasid() op support replace
  iommu/vt-d: Add set_dev_pasid callback for nested domain
  iommu/vt-d: Make identity_domain_set_dev_pasid() to handle domain replacement
  iommu/vt-d: Make intel_svm_set_dev_pasid() support domain replacement
  iommu/vt-d: Limit intel_iommu_set_dev_pasid() for paging domain
  iommu/vt-d: Make intel_iommu_set_dev_pasid() to handle domain replacement
  iommu/vt-d: Add iommu_domain_did() to get did
  iommu/vt-d: Consolidate the struct dev_pasid_info add/remove
  iommu/vt-d: Add pasid replace helpers
  iommu/vt-d: Refactor the pasid setup helpers
  iommu/vt-d: Add a helper to flush cache for updating present pasid entry
  iommu: Pass old domain to set_dev_pasid op
  iommu/iova: Fix typo 'adderss'
  iommu: Add a kdoc to iommu_unmap()
  iommu/io-pgtable-arm-v7s: Remove split on unmap behavior
  iommu/io-pgtable-arm: Remove split on unmap behavior
  iommu/vt-d: Drain PRQs when domain removed from RID
  iommu/vt-d: Drop pasid requirement for prq initialization
  ...
 2024-11-22 19:55:10 -08:00
Linus Torvalds
eb78332b10 More thermal control updates for 6.13-rc1 
- Add SAR2130P compatible to DT bindings in the QCom Tsens driver (Dmitry
    Baryshkov).
 
  - Add static annotation to arrays describing platform sensors in the
    LVTS Mediatek driver (Colin Ian King).
 
  - Switch back to struct platform_driver::remove() from the previous
    callbacks prototype rework (Uwe Kleine-König).
 
  - Add MSM8937 compatible to DT bindings and its support in the QCom
    Tsens driver (Barnabás Czémán).
 
  - Remove a pointless sign test on an unsigned value in k3_bgp_read_temp()
    in the k3_j72xx_bandgap driver (Rex Nie).
 
  - Fix a pointer reference loss when realloc() fails in the thermal
    library (Zhang Jiao).
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Merge tag 'thermal-6.13-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more thermal control updates from Rafael Wysocki:
 "These update a few thermal drivers used on ARM platforms and thermal
  tools:

   - Add SAR2130P compatible to DT bindings in the QCom Tsens driver
     (Dmitry Baryshkov)

   - Add static annotation to arrays describing platform sensors in the
     LVTS Mediatek driver (Colin Ian King)

   - Switch back to struct platform_driver::remove() from the previous
     callbacks prototype rework (Uwe Kleine-König)

   - Add MSM8937 compatible to DT bindings and its support in the QCom
     Tsens driver (Barnabás Czémán)

   - Remove a pointless sign test on an unsigned value in
     k3_bgp_read_temp() in the k3_j72xx_bandgap driver (Rex Nie)

   - Fix a pointer reference loss when realloc() fails in the thermal
     library (Zhang Jiao)"

* tag 'thermal-6.13-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  tools/thermal: Fix common realloc mistake
  thermal/drivers/k3_j72xx_bandgap: Simplify code in k3_bgp_read_temp()
  thermal/drivers/qcom/tsens-v1: Add support for MSM8937 tsens
  dt-bindings: thermal: tsens: Add MSM8937
  thermal: Switch back to struct platform_driver::remove()
  thermal/drivers/mediatek/lvts_thermal: Make read-only arrays static const
  dt-bindings: thermal: qcom-tsens: Add SAR2130P compatible
 2024-11-22 19:43:18 -08:00
Linus Torvalds
6f9baa9b92 More power management updates for 6.13-rc1 
- Add virtual cpufreq driver for guest kernels (David Dai).
 
  - Minor cleanup to various cpufreq drivers (Andy Shevchenko, Dhruva
    Gole, Jie Zhan, Jinjie Ruan, Shuosheng Huang, Sibi Sankar, and Yuan
    Can).
 
  - Revert "cpufreq: brcmstb-avs-cpufreq: Fix initial command check" (Colin
    Ian King).
 
  - Improve DT bindings for qcom-hw driver (Dmitry Baryshkov, Konrad
    Dybcio, and Nikunj Kela).
 
  - Make cpuidle_play_dead() try all idle states with :enter_dead()
    callbacks and change their return type to void (Rafael Wysocki).
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Merge tag 'pm-6.13-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These mostly are updates of cpufreq drivers used on ARM platforms plus
  one new DT-based cpufreq driver for virtualized guests and two cpuidle
  changes that should not make any difference on systems currently in
  the field, but will be needed for future development:

   - Add virtual cpufreq driver for guest kernels (David Dai)

   - Minor cleanup to various cpufreq drivers (Andy Shevchenko, Dhruva
     Gole, Jie Zhan, Jinjie Ruan, Shuosheng Huang, Sibi Sankar, and Yuan
     Can)

   - Revert "cpufreq: brcmstb-avs-cpufreq: Fix initial command check"
     (Colin Ian King)

   - Improve DT bindings for qcom-hw driver (Dmitry Baryshkov, Konrad
     Dybcio, and Nikunj Kela)

   - Make cpuidle_play_dead() try all idle states with :enter_dead()
     callbacks and change their return type to void (Rafael Wysocki)"

* tag 'pm-6.13-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (22 commits)
  cpuidle: Change :enter_dead() driver callback return type to void
  cpuidle: Do not return from cpuidle_play_dead() on callback failures
  arm64: dts: qcom: sc8180x: Add a SoC-specific compatible to cpufreq-hw
  dt-bindings: cpufreq: cpufreq-qcom-hw: Add SC8180X compatible
  cpufreq: sun50i: add a100 cpufreq support
  cpufreq: mediatek-hw: Fix wrong return value in mtk_cpufreq_get_cpu_power()
  cpufreq: CPPC: Fix wrong return value in cppc_get_cpu_power()
  cpufreq: CPPC: Fix wrong return value in cppc_get_cpu_cost()
  cpufreq: loongson3: Check for error code from devm_mutex_init() call
  cpufreq: scmi: Fix cleanup path when boost enablement fails
  cpufreq: CPPC: Fix possible null-ptr-deref for cppc_get_cpu_cost()
  cpufreq: CPPC: Fix possible null-ptr-deref for cpufreq_cpu_get_raw()
  Revert "cpufreq: brcmstb-avs-cpufreq: Fix initial command check"
  dt-bindings: cpufreq: cpufreq-qcom-hw: Add SAR2130P compatible
  cpufreq: add virtual-cpufreq driver
  dt-bindings: cpufreq: add virtual cpufreq device
  cpufreq: loongson2: Unregister platform_driver on failure
  cpufreq: ti-cpufreq: Remove revision offsets in AM62 family
  cpufreq: ti-cpufreq: Allow backward compatibility for efuse syscon
  cppc_cpufreq: Remove HiSilicon CPPC workaround
  ...
 2024-11-22 19:29:48 -08:00
Linus Torvalds
619d996c86 Hi, 
This pull request has only some minor tweaks.
 
 BR, Jarkko
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Merge tag 'tpmdd-next-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd

Pull TPM updates from Jarkko Sakkinen:
 "Only some minor tweaks"

* tag 'tpmdd-next-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
  tpm: atmel: Drop PPC64 specific MMIO setup
  char: tpm: cr50: Add new device/vendor ID 0x50666666
  char: tpm: cr50: Move i2c locking to request/relinquish locality ops
  char: tpm: cr50: Use generic request/relinquish locality ops
  tpm: ibmvtpm: Set TPM_OPS_AUTO_STARTUP flag on driver
 2024-11-22 17:25:32 -08:00
Linus Torvalds
d0c9a21c8e MTD device changes: Aside from the platform_driver::remove() switch, two 
misc issues got fixed.
 
 SPI-NAND changes:
 A load of fixes to Winbond manufacturer driver have been done, plus a
 structure constification.
 
 Raw NAND changes:
 The GPMI driver has been improved on the power management side.
 The Davinci driver has been cleaned up.
 A leak in the Atmel driver plus some typos in the core have been fixed.
 
 SPI NOR changes:
 Introduce byte swap support for 8D-8D-8D mode and a user for it:
 macronix. SPI NOR flashes may swap the bytes on a 16-bit boundary when
 configured in Octal DTR mode. For such cases the byte order is
 propagated through SPI MEM to the SPI controllers so that the
 controllers swap the bytes back at runtime. This avoids breaking the
 boot sequence because of the endianness problems that appear when the
 bootloaders use 1-1-1 and the kernel uses 8D-8D-8D with byte swap
 support. Along with the SPI MEM byte swap support we queue a patch for
 the SPI MXIC controller that swaps the bytes back at runtime.
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Merge tag 'mtd/for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull MTD updates from Miquel Raynal:
 "MTD device changes:
   - switch platform_driver back to remove()
   - misc fixes

  SPI-NAND changes:
   - a load of fixes to Winbond manufacturer driver
   - structure constification

  Raw NAND changes:
   - improve the power management of the GPMI driver
   - Davinci driver clean-ups
   - fix leak in the Atmel driver
   - fix some typos in the core

  SPI NOR changes:
   - Introduce byte swap support for 8D-8D-8D mode and a user for it:
     macronix.

     SPI NOR flashes may swap the bytes on a 16-bit boundary when
     configured in Octal DTR mode. For such cases the byte order is
     propagated through SPI MEM to the SPI controllers so that the
     controllers swap the bytes back at runtime. This avoids breaking
     the boot sequence because of the endianness problems that appear
     when the bootloaders use 1-1-1 and the kernel uses 8D-8D-8D with
     byte swap support. Along with the SPI MEM byte swap support we
     queue a patch for the SPI MXIC controller that swaps the bytes back
     at runtime"

* tag 'mtd/for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (25 commits)
  mtd: spi-nor: core: replace dummy buswidth from addr to data
  mtd: spi-nor: winbond: add "w/ and w/o SFDP" comment
  mtd: spi-nor: spansion: Use nor->addr_nbytes in octal DTR mode in RD_ANY_REG_OP
  mtd: Switch back to struct platform_driver::remove()
  mtd: cfi_cmdset_0002: remove redundant assignment to variable ret
  mtd: spinand: Constify struct nand_ecc_engine_ops
  MAINTAINERS: add mailing list for GPMI NAND driver
  mtd: spinand: winbond: Sort the devices
  mtd: spinand: winbond: Ignore the last ID characters
  mtd: spinand: winbond: Fix 512GW, 01GW, 01JW and 02JW ECC information
  mtd: spinand: winbond: Fix 512GW and 02JW OOB layout
  mtd: nand: raw: gpmi: improve power management handling
  mtd: nand: raw: gpmi: switch to SYSTEM_SLEEP_PM_OPS
  mtd: rawnand: davinci: use generic device property helpers
  mtd: rawnand: davinci: break the line correctly
  mtd: rawnand: davinci: order headers alphabetically
  mtd: rawnand: atmel: Fix possible memory leak
  mtd: rawnand: Correct multiple typos in comments
  mtd: hyperbus: rpc-if: Add missing MODULE_DEVICE_TABLE
  mtd: spi-nor: add support for Macronix Octal flash
  ...
 2024-11-22 17:06:59 -08:00
Linus Torvalds
9f3a2ba62c The core framework gained a clk provider helper, a clk consumer helper, and 
some unit tests for the assigned clk rates feature in DeviceTree. On the vendor
 driver side, we gained a whole pile of SoC driver support detailed below. The
 majority in the diffstat is Qualcomm, but there's also quite a few Samsung and
 Mediatek clk driver additions in here as well. The top vendors is quite common,
 but the sheer amount of new drivers is uncommon, so I'm anticipating a larger
 number of fixes for clk drivers this cycle.
 
 Core:
  - devm_clk_bulk_get_all_enabled() to return number of clks acquired
  - devm_clk_hw_register_gate_parent_hw() helper to modernize drivers
  - KUnit tests for clk-assigned-rates{,-u64}
 
 New Drivers:
  - Marvell PXA1908 SoC clks
  - Mobileye EyeQ5, EyeQ6L and EyeQ6H clk driver
  - TWL6030 clk driver
  - Nuvoton Arbel BMC NPCM8XX SoC clks
  - MediaTek MT6735 SoC clks
  - MediaTek MT7620, MT7628 and MT7688 MMC clks
  - Add a driver for gated fixed rate clocks
  - Global clock controllers for Qualcomm QCS8300 and IPQ5424 SoCs
  - Camera, display and video clock controllers for Qualcomm SA8775P SoCs
  - Global, display, GPU, TCSR, and RPMh clock controllers for Qualcomm SAR2130P
  - Global, camera, display, GPU, and video clock controllers for Qualcomm
    SM8475 SoCs
  - RTC power domain and Battery Backup Function (VBATTB) clock support for the
    Renesas RZ/G3S SoC
  - Qualcomm IPQ9574 alpha PLLs
  - Support for i.MX91 CCM in the i.MX93 driver
  - Microchip LAN969X SoC clks
  - Cortex-A55 core clocks and Interrupt Control Unit (ICU) clock and reset on
    Renesas RZ/V2H(P)
  - Samsung ExynosAutov920 clk drivers for PERIC1, MISC, HSI0 and HSI1
  - Samsung Exynos8895 clk drivers for FSYS0/1, PERIC0/1, PERIS and TOP
 
 Updates:
  - Convert more clk bindings to YAML
  - Various clk driver cleanups: NULL checks, add const, etc.
  - Remove END/NUM #defines that count number of clks in various binding headers
  - Continue moving reset drivers to drivers/reset via auxiliary bus
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "The core framework gained a clk provider helper, a clk consumer
  helper, and some unit tests for the assigned clk rates feature in
  DeviceTree. On the vendor driver side, we gained a whole pile of SoC
  driver support detailed below. The majority in the diffstat is
  Qualcomm, but there's also quite a few Samsung and Mediatek clk driver
  additions in here as well. The top vendors is quite common, but the
  sheer amount of new drivers is uncommon, so I'm anticipating a larger
  number of fixes for clk drivers this cycle.

  Core:
   - devm_clk_bulk_get_all_enabled() to return number of clks acquired
   - devm_clk_hw_register_gate_parent_hw() helper to modernize drivers
   - KUnit tests for clk-assigned-rates{,-u64}

  New Drivers:
   - Marvell PXA1908 SoC clks
   - Mobileye EyeQ5, EyeQ6L and EyeQ6H clk driver
   - TWL6030 clk driver
   - Nuvoton Arbel BMC NPCM8XX SoC clks
   - MediaTek MT6735 SoC clks
   - MediaTek MT7620, MT7628 and MT7688 MMC clks
   - Add a driver for gated fixed rate clocks
   - Global clock controllers for Qualcomm QCS8300 and IPQ5424 SoCs
   - Camera, display and video clock controllers for Qualcomm SA8775P
     SoCs
   - Global, display, GPU, TCSR, and RPMh clock controllers for Qualcomm
     SAR2130P
   - Global, camera, display, GPU, and video clock controllers for
     Qualcomm SM8475 SoCs
   - RTC power domain and Battery Backup Function (VBATTB) clock support
     for the Renesas RZ/G3S SoC
   - Qualcomm IPQ9574 alpha PLLs
   - Support for i.MX91 CCM in the i.MX93 driver
   - Microchip LAN969X SoC clks
   - Cortex-A55 core clocks and Interrupt Control Unit (ICU) clock and
     reset on Renesas RZ/V2H(P)
   - Samsung ExynosAutov920 clk drivers for PERIC1, MISC, HSI0 and HSI1
   - Samsung Exynos8895 clk drivers for FSYS0/1, PERIC0/1, PERIS and TOP

  Updates:
   - Convert more clk bindings to YAML
   - Various clk driver cleanups: NULL checks, add const, etc.
   - Remove END/NUM #defines that count number of clks in various
     binding headers
   - Continue moving reset drivers to drivers/reset via auxiliary bus"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (162 commits)
  clk: clk-loongson2: Fix potential buffer overflow in flexible-array member access
  clk: Fix invalid execution of clk_set_rate
  clk: clk-loongson2: Fix memory corruption bug in struct loongson2_clk_provider
  clk: lan966x: make it selectable for ARCH_LAN969X
  clk: eyeq: add EyeQ6H west fixed factor clocks
  clk: eyeq: add EyeQ6H central fixed factor clocks
  clk: eyeq: add EyeQ5 fixed factor clocks
  clk: eyeq: add fixed factor clocks infrastructure
  clk: eyeq: require clock index with phandle in all cases
  clk: fixed-factor: add clk_hw_register_fixed_factor_index() function
  dt-bindings: clock: eyeq: add more Mobileye EyeQ5/EyeQ6H clocks
  dt-bindings: soc: mobileye: set `#clock-cells = <1>` for all compatibles
  clk: clk-axi-clkgen: make sure to enable the AXI bus clock
  dt-bindings: clock: axi-clkgen: include AXI clk
  clk: mmp: Add Marvell PXA1908 MPMU driver
  clk: mmp: Add Marvell PXA1908 APMU driver
  clk: mmp: Add Marvell PXA1908 APBCP driver
  clk: mmp: Add Marvell PXA1908 APBC driver
  dt-bindings: clock: Add Marvell PXA1908 clock bindings
  clk: mmp: Switch to use struct u32_fract instead of custom one
  ...
 2024-11-22 17:02:25 -08:00
Linus Torvalds
2fb7eb3d7e - Improved handling of LCD power states and interactions with the fbdev subsystem. 
- Introduced new LCD_POWER_ constants to decouple the LCD subsystem from fbdev.
 - Several drivers were updated to use the new LCD_POWER_ constants.
 - Clarified the semantics of the lcd_ops.controls_device callback.
 - Removed unnecessary includes and dependencies.
 - Removed unused notifier functionality.
 - Simplified code with scoped for-each loops.
 - Fixed module autoloading for the ktz8866 driver.
 - Updated device tree bindings to yaml format.
 - Minor cleanups and improvements in various drivers.
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Merge tag 'backlight-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:

 - Improve handling of LCD power states and interactions with the fbdev
   subsystem

 - Introduce new LCD_POWER_ constants to decouple the LCD subsystem from
   fbdev

 - Update several drivers to use the new LCD_POWER_ constants

 - Clarify the semantics of the lcd_ops.controls_device callback

 - Remove unnecessary includes and dependencies

 - Remove unused notifier functionality

 - Simplify code with scoped for-each loops

 - Fix module autoloading for the ktz8866 driver

 - Update device tree bindings to yaml format

 - Minor cleanups and improvements in various drivers

* tag 'backlight-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: (33 commits)
  MAINTAINERS: Use Daniel Thompson's korg address for Backlight work
  dt-bindings: backlight: Convert zii,rave-sp-backlight.txt to yaml
  backlight: Remove notifier
  backlight: ktz8866: Fix module autoloading
  backlight: 88pm860x_bl: Simplify with scoped for each OF child loop
  backlight: lcd: Do not include <linux/fb.h> in lcd header
  backlight: lcd: Remove struct fb_videomode from set_mode callback
  backlight: lcd: Replace check_fb with controls_device
  HID: picoLCD: Replace check_fb in favor of struct fb_info.lcd_dev
  fbdev: omap: Use lcd power constants
  fbdev: imxfb: Use lcd power constants
  fbdev: imxfb: Replace check_fb in favor of struct fb_info.lcd_dev
  fbdev: clps711x-fb: Use lcd power constants
  fbdev: clps711x-fb: Replace check_fb in favor of struct fb_info.lcd_dev
  backlight: tdo24m: Use lcd power constants
  backlight: platform_lcd: Use lcd power constants
  backlight: platform_lcd: Remove match_fb from struct plat_lcd_data
  backlight: platform_lcd: Remove include statement for <linux/backlight.h>
  backlight: otm3225a: Use lcd power constants
  backlight: ltv350qv: Use lcd power constants
  ...
 2024-11-22 16:29:57 -08:00
Linus Torvalds
93251bdf7a - Removed unused local header files from various drivers. 
- Reverted platform driver removal to the original method for consistency.
 - Introduced ordered workqueues for LED events, replacing the less efficient system_wq.
 - Switched to a safer iteration macro in several drivers to prevent potential memory leaks.
 - Fixed a refcounting bug in the mt6360 flash LED driver.
 - Fixed an uninitialized variable in the mt6370_mc_pattern_clear() function.
 - Resolved Smatch warnings in the leds-bcm6328 driver.
 - Addressed a potential NULL pointer dereference in the brightness_show() function.
 - Fixed an incorrect format specifier in the ss4200 driver.
 - Prevented a resource leak in the max5970 driver's probe function.
 - Added support for specifying the number of serial shift bits in the device tree for the BCM63138 family.
 - Implemented multicolor brightness control in the lp5562 driver.
 - Added a device tree property to override the default LED pin polarity.
 - Added a property to specify the default brightness value when the LED is initially on.
 - Set missing timing properties for the ktd2692 driver.
 - Documented the "rc-feedback" trigger for controlling LEDs based on remote control activity.
 - Converted text bindings to YAML for the pca955x driver to enable device tree validation.
 - Removed redundant checks for invalid channel numbers in the lp55xx driver.
 - Updated the MAINTAINERS file with current contact information.
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Merge tag 'leds-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds

PULL LED updates from Lee Jones:

 - Remove unused local header files from various drivers

 - Revert platform driver removal to the original method for consistency

 - Introduce ordered workqueues for LED events, replacing the less
   efficient system_wq

 - Switch to a safer iteration macro in several drivers to prevent
   potential memory leaks

 - Fix a refcounting bug in the mt6360 flash LED driver

 - Fix an uninitialized variable in the mt6370_mc_pattern_clear()
   function

 - Resolve Smatch warnings in the leds-bcm6328 driver

 - Address a potential NULL pointer dereference in the brightness_show()
   function

 - Fix an incorrect format specifier in the ss4200 driver

 - Prevent a resource leak in the max5970 driver's probe function

 - Add support for specifying the number of serial shift bits in the
   device tree for the BCM63138 family

 - Implement multicolor brightness control in the lp5562 driver

 - Add a device tree property to override the default LED pin polarity

 - Add a property to specify the default brightness value when the LED
   is initially on

 - Set missing timing properties for the ktd2692 driver

 - Document the "rc-feedback" trigger for controlling LEDs based on
   remote control activity

 - Convert text bindings to YAML for the pca955x driver to enable device
   tree validation

 - Remove redundant checks for invalid channel numbers in the lp55xx
   driver

 - Update the MAINTAINERS file with current contact information

* tag 'leds-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (46 commits)
  leds: ss4200: Fix the wrong format specifier for 'blinking'
  leds: pwm: Add optional DT property default-brightness
  dt-bindings: leds: pwm: Add default-brightness property
  leds: class: Protect brightness_show() with led_cdev->led_access mutex
  leds: ktd2692: Set missing timing properties
  leds: max5970: Fix unreleased fwnode_handle in probe function
  leds: Introduce ordered workqueue for LEDs events instead of system_wq
  MAINTAINERS: Replace Siemens IPC related bouncing maintainers
  leds: bcm6328: Replace divide condition with comparison for shift value
  leds: lp55xx: Remove redundant test for invalid channel number
  dt-bindings: leds: pca955x: Convert text bindings to YAML
  leds: rgb: leds-mt6370-rgb: Fix uninitialized variable 'ret' in mt6370_mc_pattern_clear
  leds: lp5562: Add multicolor brightness control
  dt-bindings: leds: Add 'active-high' property
  leds: Switch back to struct platform_driver::remove()
  leds: bcm63138: Add some register defines
  leds: bcm63138: Handle shift register config
  leds: bcm63138: Use scopes and guards
  dt-bindings: leds: bcm63138: Add shift register bits
  leds: leds-gpio-register: Reorganize kerneldoc parameter names
  ...
 2024-11-22 16:25:20 -08:00
Linus Torvalds
80739fd00c - Several drivers, including atmel-flexcom/rk8xx-core, palmas, and 
tps65010, have undergone minor code improvements to enhance consistency and
   fix race conditions.
 
 - The syscon driver now utilizes the regmap max_register_is_0 capability
   for consistent register map configuration across syscons of all sizes.
 
 - New device support has been added for QCS8300, qcs615, SA8255p, and
   samsung,s2dos05, expanding the range of compatible hardware.
 
 - The cros_ec driver now supports loading cros_ec_ucsi on supported ECs
   and avoids loading the charger with UCSI, streamlining functionality.
 
 - The bd96801 driver now utilizes the more modern maple tree register
   cache, improving performance.
 
 - The da9052-spi driver has undergone a fix to change the read-mask to
   write-mask, preventing potential issues.
 
 - Unused declarations in max77693 have been removed, and support for
   samsung,s2dos05 has been added, enhancing code clarity and device compatibility.
 
 - Error handling in cs42l43 has been fixed to avoid unbalanced regulator
   put and ensure proper synchronization during driver removal.
 
 - The wcd934x driver now uses MODULE_DEVICE_TABLE() instead of
   MODULE_ALIAS(), improving code consistency.
 
 - Documentation for qcom,tcsr, syscon, and atmel-smc has been updated
   and reorganized for better clarity and maintainability.
 
 - The intel_soc_pmic_bxtwc driver has undergone significant improvements,
   including the use of IRQ domains for various devices, fixing IRQ domain names
   duplication, and code refactoring for better consistency and maintainability.
 
 - The ipaq-micro driver has received a fix for a missing break statement in
   the default case, enhancing code robustness.
 
 - Support for the AXP323 PMIC has been added to the axp20x driver, along
   with ensuring a clear relationship between IDs and model names, and allowing
   multiple regulators, broadening hardware compatibility.
 
 - The cs42l43 driver now disables IRQs during suspend for improved power
   management.
 
 - The adp5585 driver has reduced its dependencies by dropping the obsolete
   dependency on COMPILE_TEST.
 
 - Initial support for the MT6328 PMIC has been added to the mt6397 driver,
   expanding the range of supported hardware.
 
 - The rtc-bd70528 driver has been simplified by dropping the IC name from
   IRQ, improving code readability.
 
 - Documentation for qcom,spmi-pmic, ti,twl, and zii,rave-sp has been
   updated to enhance clarity and incorporate new features.
 
 - The rt5033 driver has received a fix for a missing regmap_del_irq_chip()
   in the error handling path.
 
 - New device support has been added for MSM8917, and the
   intel_soc_pmic_crc driver now supports non-ACPI instantiated i2c_client.
 
 - The 88pm886 driver has added support for the RTC cell, and the tqmx86
   driver has improved its GPIO IRQ setup and added I2C IRQ support,
   increasing functionality.
 
 - The sprd,sc2731 DT schema has been updated and converted to YAML format
   for better readability and maintainability.
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Merge tag 'mfd-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:

 - Several drivers, including atmel-flexcom/rk8xx-core, palmas, and
   tps65010, have undergone minor code improvements to enhance
   consistency and fix race conditions.

 - The syscon driver now utilizes the regmap max_register_is_0
   capability for consistent register map configuration across syscons
   of all sizes.

 - New device support has been added for QCS8300, qcs615, SA8255p, and
   samsung,s2dos05, expanding the range of compatible hardware.

 - The cros_ec driver now supports loading cros_ec_ucsi on supported ECs
   and avoids loading the charger with UCSI, streamlining functionality.

 - The bd96801 driver now utilizes the more modern maple tree register
   cache, improving performance.

 - The da9052-spi driver has undergone a fix to change the read-mask to
   write-mask, preventing potential issues.

 - Unused declarations in max77693 have been removed, and support for
   samsung,s2dos05 has been added, enhancing code clarity and device
   compatibility.

 - Error handling in cs42l43 has been fixed to avoid unbalanced
   regulator put and ensure proper synchronization during driver
   removal.

 - The wcd934x driver now uses MODULE_DEVICE_TABLE() instead of
   MODULE_ALIAS(), improving code consistency.

 - Documentation for qcom,tcsr, syscon, and atmel-smc has been updated
   and reorganized for better clarity and maintainability.

 - The intel_soc_pmic_bxtwc driver has undergone significant
   improvements, including the use of IRQ domains for various devices,
   fixing IRQ domain names duplication, and code refactoring for better
   consistency and maintainability.

 - The ipaq-micro driver has received a fix for a missing break
   statement in the default case, enhancing code robustness.

 - Support for the AXP323 PMIC has been added to the axp20x driver,
   along with ensuring a clear relationship between IDs and model names,
   and allowing multiple regulators, broadening hardware compatibility.

 - The cs42l43 driver now disables IRQs during suspend for improved
   power management.

 - The adp5585 driver has reduced its dependencies by dropping the
   obsolete dependency on COMPILE_TEST.

 - Initial support for the MT6328 PMIC has been added to the mt6397
   driver, expanding the range of supported hardware.

 - The rtc-bd70528 driver has been simplified by dropping the IC name
   from IRQ, improving code readability.

 - Documentation for qcom,spmi-pmic, ti,twl, and zii,rave-sp has been
   updated to enhance clarity and incorporate new features.

 - The rt5033 driver has received a fix for a missing
   regmap_del_irq_chip() in the error handling path.

 - New device support has been added for MSM8917, and the
   intel_soc_pmic_crc driver now supports non-ACPI instantiated
   i2c_client.

 - The 88pm886 driver has added support for the RTC cell, and the tqmx86
   driver has improved its GPIO IRQ setup and added I2C IRQ support,
   increasing functionality.

 - The sprd,sc2731 DT schema has been updated and converted to YAML
   format for better readability and maintainability.

* tag 'mfd-next-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (62 commits)
  dt-bindings: mfd: bd71828: Use charger resistor in mOhm instead of MOhm
  dt-bindings: mfd: sprd,sc2731: Convert to YAML
  mfd: tqmx86: Add I2C IRQ support
  mfd: tqmx86: Make IRQ setup errors non-fatal
  mfd: tqmx86: Refactor GPIO IRQ setup
  mfd: tqmx86: Improve gpio_irq module parameter description
  mfd: tqmx86: Add board definitions for TQMx120UC, TQMx130UC and TQMxE41S
  mfd: 88pm886: Add the RTC cell
  dt-bindings: mfd: Add Realtek RTL9300 switch peripherals
  mfd: intel_soc_pmic_crc: Add support for non ACPI instantiated i2c_client
  mfd: intel_soc_pmic_*: Consistently use filename as driver name
  dt-bindings: mfd: qcom,tcsr: Add compatible for MSM8917
  mfd: rt5033: Fix missing regmap_del_irq_chip()
  mfd: cgbc-core: Fix error handling paths in cgbc_init_device()
  dt-bindings: mfd: aspeed: Support for AST2700
  mfd: Switch back to struct platform_driver::remove()
  dt-bindings: mfd: qcom,spmi-pmic: Document PMICs added in SM8750
  mfd: rtc: bd7xxxx Drop IC name from IRQ
  mfd: mt6397: Add initial support for MT6328
  mfd: adp5585: Drop obsolete dependency on COMPILE_TEST
  ...
 2024-11-22 16:19:47 -08:00
Linus Torvalds
e288c352a4 linux_kselftest-kunit-6.13-rc1-fixed 
kunit update for Linux 6.13-rc1
 
 -- fixes user-after-free (UAF) bug in kunit_init_suite()
 
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 -- adds option to kunit tool to print just the failed test results
 
 -- fixes kunit_zalloc_skb() to use user passed in gfp value instead of
    hardcoding GFP_KERNEL
 
 -- fixes kunit_zalloc_skb() kernel doc to include allocation flags variable
 
 -- updates KUnit email address for Brendan Higgins
 
 -- adds LoongArch config to qemu_configs
 
 -- changes tool to allow overriding the shutdown mode from qemu config
 
 -- enables shutdown in loongarch qemu_config
 
 -- fixes potential null dereference in kunit_device_driver_test()
 
 -- fixes debugfs to use IS_ERR() for alloc_string_stream() error check
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Merge tag 'linux_kselftest-kunit-6.13-rc1-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kunit updates from Shuah Khan:

 - fix user-after-free (UAF) bug in kunit_init_suite()

 - add option to kunit tool to print just the summary of test results

 - add option to kunit tool to print just the failed test results

 - fix kunit_zalloc_skb() to use user passed in gfp value instead of
   hardcoding GFP_KERNEL

 - fixe kunit_zalloc_skb() kernel doc to include allocation flags
   variable

 - update KUnit email address for Brendan Higgins

 - add LoongArch config to qemu_configs

 - allow overriding the shutdown mode from qemu config

 - enable shutdown in loongarch qemu_config

 - fix potential null dereference in kunit_device_driver_test()

 - fix debugfs to use IS_ERR() for alloc_string_stream() error check

* tag 'linux_kselftest-kunit-6.13-rc1-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  kunit: qemu_configs: loongarch: Enable shutdown
  kunit: tool: Allow overriding the shutdown mode from qemu config
  kunit: qemu_configs: Add LoongArch config
  kunit: debugfs: Use IS_ERR() for alloc_string_stream() error check
  kunit: Fix potential null dereference in kunit_device_driver_test()
  MAINTAINERS: Update KUnit email address for Brendan Higgins
  kunit: string-stream: Fix a UAF bug in kunit_init_suite()
  kunit: tool: print failed tests only
  kunit: tool: Only print the summary
  kunit: skb: add gfp to kernel doc for kunit_zalloc_skb()
  kunit: skb: use "gfp" variable instead of hardcoding GFP_KERNEL
 2024-11-22 16:11:56 -08:00
Linus Torvalds
06afb0f361 tracing updates for v6.13: 
- Addition of faultable tracepoints
 
   There's a tracepoint attached to both a system call entry and exit. This
   location is known to allow page faults. The tracepoints are called under
   an rcu_read_lock() which does not allow faults that can sleep. This limits
   the ability of tracepoint handlers to page fault in user space system call
   parameters. Now these tracepoints have been made "faultable", allowing the
   callbacks to fault in user space parameters and record them.
 
   Note, only the infrastructure has been implemented. The consumers (perf,
   ftrace, BPF) now need to have their code modified to allow faults.
 
 - Fix up of BPF code for the tracepoint faultable logic
 
 - Update tracepoints to use the new static branch API
 
 - Remove trace_*_rcuidle() variants and the SRCU protection they used
 
 - Remove unused TRACE_EVENT_FL_FILTERED logic
 
 - Replace strncpy() with strscpy() and memcpy()
 
 - Use replace per_cpu_ptr(smp_processor_id()) with this_cpu_ptr()
 
 - Fix perf events to not duplicate samples when tracing is enabled
 
 - Replace atomic64_add_return(1, counter) with atomic64_inc_return(counter)
 
 - Make stack trace buffer 4K instead of PAGE_SIZE
 
 - Remove TRACE_FLAG_IRQS_NOSUPPORT flag as it was never used
 
 - Get the true return address for function tracer when function graph tracer
   is also running.
 
   When function_graph trace is running along with function tracer,
   the parent function of the function tracer sometimes is
   "return_to_handler", which is the function graph trampoline to record
   the exit of the function. Use existing logic that calls into the
   fgraph infrastructure to find the real return address.
 
 - Remove (un)regfunc pointers out of tracepoint structure
 
 - Added last minute bug fix for setting pending modules in stack function
   filter.
 
   echo "write*:mod:ext3" > /sys/kernel/tracing/stack_trace_filter
 
   Would cause a kernel NULL dereference.
 
 - Minor clean ups
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Merge tag 'trace-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing updates from Steven Rostedt:

 - Addition of faultable tracepoints

   There's a tracepoint attached to both a system call entry and exit.
   This location is known to allow page faults. The tracepoints are
   called under an rcu_read_lock() which does not allow faults that can
   sleep. This limits the ability of tracepoint handlers to page fault
   in user space system call parameters. Now these tracepoints have been
   made "faultable", allowing the callbacks to fault in user space
   parameters and record them.

   Note, only the infrastructure has been implemented. The consumers
   (perf, ftrace, BPF) now need to have their code modified to allow
   faults.

 - Fix up of BPF code for the tracepoint faultable logic

 - Update tracepoints to use the new static branch API

 - Remove trace_*_rcuidle() variants and the SRCU protection they used

 - Remove unused TRACE_EVENT_FL_FILTERED logic

 - Replace strncpy() with strscpy() and memcpy()

 - Use replace per_cpu_ptr(smp_processor_id()) with this_cpu_ptr()

 - Fix perf events to not duplicate samples when tracing is enabled

 - Replace atomic64_add_return(1, counter) with
   atomic64_inc_return(counter)

 - Make stack trace buffer 4K instead of PAGE_SIZE

 - Remove TRACE_FLAG_IRQS_NOSUPPORT flag as it was never used

 - Get the true return address for function tracer when function graph
   tracer is also running.

   When function_graph trace is running along with function tracer, the
   parent function of the function tracer sometimes is
   "return_to_handler", which is the function graph trampoline to record
   the exit of the function. Use existing logic that calls into the
   fgraph infrastructure to find the real return address.

 - Remove (un)regfunc pointers out of tracepoint structure

 - Added last minute bug fix for setting pending modules in stack
   function filter.

     echo "write*:mod:ext3" > /sys/kernel/tracing/stack_trace_filter

   Would cause a kernel NULL dereference.

 - Minor clean ups

* tag 'trace-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (31 commits)
  ftrace: Fix regression with module command in stack_trace_filter
  tracing: Fix function name for trampoline
  ftrace: Get the true parent ip for function tracer
  tracing: Remove redundant check on field->field in histograms
  bpf: ensure RCU Tasks Trace GP for sleepable raw tracepoint BPF links
  bpf: decouple BPF link/attach hook and BPF program sleepable semantics
  bpf: put bpf_link's program when link is safe to be deallocated
  tracing: Replace strncpy() with strscpy() when copying comm
  tracing: Add might_fault() check in __DECLARE_TRACE_SYSCALL
  tracing: Fix syscall tracepoint use-after-free
  tracing: Introduce tracepoint_is_faultable()
  tracing: Introduce tracepoint extended structure
  tracing: Remove TRACE_FLAG_IRQS_NOSUPPORT
  tracing: Replace multiple deprecated strncpy with memcpy
  tracing: Make percpu stack trace buffer invariant to PAGE_SIZE
  tracing: Use atomic64_inc_return() in trace_clock_counter()
  trace/trace_event_perf: remove duplicate samples on the first tracepoint event
  tracing/bpf: Add might_fault check to syscall probes
  tracing/perf: Add might_fault check to syscall probes
  tracing/ftrace: Add might_fault check to syscall probes
  ...
 2024-11-22 13:27:01 -08:00
Linus Torvalds
4b01712311 tracing/tools: Updates for 6.13 
- Add ':' to getopt option 'trace-buffer-size' in timerlat_hist for
   consistency
 
 - Remove unused sched_getattr define
 
 - Rename sched_setattr() helper to syscall_sched_setattr() to avoid
   conflicts
 
 - Update counters to long from int to avoid overflow
 
 - Add libcpupower dependency detection
 
 - Add --deepest-idle-state to timerlat to limit deep idle sleeps
 
 - Other minor clean ups and documentation changes
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Merge tag 'trace-tools-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing tools updates from Steven Rostedt:

 - Add ':' to getopt option 'trace-buffer-size' in timerlat_hist for
   consistency

 - Remove unused sched_getattr define

 - Rename sched_setattr() helper to syscall_sched_setattr() to avoid
   conflicts

 - Update counters to long from int to avoid overflow

 - Add libcpupower dependency detection

 - Add --deepest-idle-state to timerlat to limit deep idle sleeps

 - Other minor clean ups and documentation changes

* tag 'trace-tools-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  verification/dot2: Improve dot parser robustness
  tools/rtla: Improve exception handling in timerlat_load.py
  tools/rtla: Enhance argument parsing in timerlat_load.py
  tools/rtla: Improve code readability in timerlat_load.py
  rtla/timerlat: Do not set params->user_workload with -U
  rtla: Documentation: Mention --deepest-idle-state
  rtla/timerlat: Add --deepest-idle-state for hist
  rtla/timerlat: Add --deepest-idle-state for top
  rtla/utils: Add idle state disabling via libcpupower
  rtla: Add optional dependency on libcpupower
  tools/build: Add libcpupower dependency detection
  rtla/timerlat: Make timerlat_hist_cpu->*_count unsigned long long
  rtla/timerlat: Make timerlat_top_cpu->*_count unsigned long long
  tools/rtla: fix collision with glibc sched_attr/sched_set_attr
  tools/rtla: drop __NR_sched_getattr
  rtla: Fix consistency in getopt_long for timerlat_hist
  rv: Fix a typo
  tools/rv: Correct the grammatical errors in the comments
  tools/rv: Correct the grammatical errors in the comments
  rtla: use the definition for stdout fd when calling isatty()
 2024-11-22 13:24:22 -08:00
Linus Torvalds
f1db825805 trace ring-buffer updates for v6.13 
- Limit time interrupts are disabled in rb_check_pages()
 
   The rb_check_pages() is called after the ring buffer size is updated to
   make sure that the ring buffer has not been corrupted. Commit
   c2274b908d ("ring-buffer: Fix a race between readers and resize
   checks") fixed a race with the check pages and simultaneous resizes to the
   ring buffer by adding a raw_spin_lock_irqsave() around the check
   operation. Although this was a simple fix, it would hold interrupts
   disabled for non determinative amount of time. This could harm PREEMPT_RT
   operations.
 
   Instead, modify the logic by adding a counter when the buffer is modified
   and to release the raw_spin_lock() at each iteration. It checks the
   counter under the lock to see if a modification happened during the loop,
   and if it did, it would restart the loop up to 3 times. After 3 times, it
   will simply exit the check, as it is unlikely that would ever happen as
   buffer resizes are rare occurrences.
 
 - Replace some open coded str_low_high() with the helper
 
 - Fix some documentation/comments
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Merge tag 'trace-ring-buffer-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull trace ring-buffer updates from Steven Rostedt:

 - Limit time interrupts are disabled in rb_check_pages()

   rb_check_pages() is called after the ring buffer size is updated to
   make sure that the ring buffer has not been corrupted. Commit
   c2274b908d ("ring-buffer: Fix a race between readers and resize
   checks") fixed a race with the check pages and simultaneous resizes
   to the ring buffer by adding a raw_spin_lock_irqsave() around the
   check operation. Although this was a simple fix, it would hold
   interrupts disabled for non determinative amount of time. This could
   harm PREEMPT_RT operations.

   Instead, modify the logic by adding a counter when the buffer is
   modified and to release the raw_spin_lock() at each iteration. It
   checks the counter under the lock to see if a modification happened
   during the loop, and if it did, it would restart the loop up to 3
   times. After 3 times, it will simply exit the check, as it is
   unlikely that would ever happen as buffer resizes are rare
   occurrences.

 - Replace some open coded str_low_high() with the helper

 - Fix some documentation/comments

* tag 'trace-ring-buffer-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  ring-buffer: Correct a grammatical error in a comment
  ring-buffer: Use str_low_high() helper in ring_buffer_producer()
  ring-buffer: Reorganize kerneldoc parameter names
  ring-buffer: Limit time with disabled interrupts in rb_check_pages()
 2024-11-22 13:11:17 -08:00
Linus Torvalds
be4202228e - Add new infrastructure for reading TDX metadata 
- Use the newly-available metadata to:
   - Disable potentially nasty #VE exceptions
   - Get more complete CPU topology information from the VMM
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Merge tag 'x86_tdx_for_6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull tdx updates from Dave Hansen:
 "These essentially refine some interactions between TDX guests and
  VMMs.

  The first leverages a new TDX module feature to runtime disable the
  ability for a VM to inject #VE exceptions. Before this feature, there
  was only a static on/off switch and the guest had to panic if it was
  configured in a bad state.

  The second lets the guest opt in to be able to access the topology
  CPUID leaves. Before this, accesses to those leaves would #VE.

  For both of these, it would have been nicest to just change the
  default behavior, but some pesky "other" OSes evidently need to retain
  the legacy behavior.

  Summary:

   - Add new infrastructure for reading TDX metadata

   - Use the newly-available metadata to:
      - Disable potentially nasty #VE exceptions
      - Get more complete CPU topology information from the VMM"

* tag 'x86_tdx_for_6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/tdx: Enable CPU topology enumeration
  x86/tdx: Dynamically disable SEPT violations from causing #VEs
  x86/tdx: Rename tdx_parse_tdinfo() to tdx_setup()
  x86/tdx: Introduce wrappers to read and write TD metadata
 2024-11-22 13:07:19 -08:00
Linus Torvalds
5af5d43f84 - Rework some CPU setup code to keep LLVM happy on 32-bit 
- Correct RSB terminology in Kconfig text
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Merge tag 'x86_misc_for_6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull misc x86 updates from Dave Hansen:
 "As usual for this branch, these are super random: a compile fix for
  some newish LLVM checks and making sure a Kconfig text reference to
  'RSB' matches the normal definition:

   - Rework some CPU setup code to keep LLVM happy on 32-bit

   - Correct RSB terminology in Kconfig text"

* tag 'x86_misc_for_6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/cpu: Make sure flag_is_changeable_p() is always being used
  x86/bugs: Correct RSB terminology in Kconfig
 2024-11-22 12:52:03 -08:00
Linus Torvalds
be9318cd5a - Use vmalloc_array() instead of vmalloc() 
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Merge tag 'x86_sgx_for_6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull sgx update from Dave Hansen:

 - Use vmalloc_array() instead of vmalloc()

* tag 'x86_sgx_for_6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/sgx: Use vmalloc_array() instead of vmalloc()
 2024-11-22 12:50:00 -08:00
Linus Torvalds
563cb0b1e7 cxl changes for v6.13 
- Constify range_contains() input parameters to prevent changes.
 - Add support for displaying RCD capabilities in sysfs to support lspci for CXL device.
 - Downgrade warning message to debug in cxl_probe_component_regs().
 - Add support for adding a printf specifier '$pra' to emit 'struct range' content.
   - Add sanity tests for 'struct resource'.
   - Add documentation for special case.
   - Add %pra for 'struct range'.
   - Add %pra usage in CXL code.
 - Add preparation code for DCD support
   - Add range_overlaps().
   - Add CDAT DSMAS table shared and read only flag in ACPICA.
   - Add documentation to 'struct dev_dax_range'.
   - Delay event buffer allocation in CXL PCI code until needed.
   - Use guard() in cxl_dpa_set_mode().
   - Refactor create region code to consolidate common code.
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Merge tag 'cxl-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull cxl updates from Dave Jiang:

 - Constify range_contains() input parameters to prevent changes

 - Add support for displaying RCD capabilities in sysfs to support lspci
   for CXL device

 - Downgrade warning message to debug in cxl_probe_component_regs()

 - Add support for adding a printf specifier '%pra' to emit 'struct
   range' content:
     - Add sanity tests for 'struct resource'
     - Add documentation for special case
     - Add %pra for 'struct range'
     - Add %pra usage in CXL code

 - Add preparation code for DCD support:
     - Add range_overlaps()
     - Add CDAT DSMAS table shared and read only flag in ACPICA
     - Add documentation to 'struct dev_dax_range'
     - Delay event buffer allocation in CXL PCI code until needed
     - Use guard() in cxl_dpa_set_mode()
     - Refactor create region code to consolidate common code

* tag 'cxl-for-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
  cxl/region: Refactor common create region code
  cxl/hdm: Use guard() in cxl_dpa_set_mode()
  cxl/pci: Delay event buffer allocation
  dax: Document struct dev_dax_range
  ACPI/CDAT: Add CDAT/DSMAS shared and read only flag values
  range: Add range_overlaps()
  cxl/cdat: Use %pra for dpa range outputs
  printf: Add print format (%pra) for struct range
  Documentation/printf: struct resource add start == end special case
  test printf: Add very basic struct resource tests
  cxl: downgrade a warning message to debug level in cxl_probe_component_regs()
  cxl/pci: Add sysfs attribute for CXL 1.1 device link status
  cxl/core/regs: Add rcd_pcie_cap initialization
  kernel/range: Const-ify range_contains parameters
 2024-11-22 12:33:52 -08:00
Rafael J. Wysocki
f3e66e78f2 Merge branch 'pm-cpuidle' 
Merge additional cpuidle changes for 6.13-rc1:

 - Make cpuidle_play_dead() try all idle states with :enter_dead()
   callbacks and change their return type to void (Rafael Wysocki).

* pm-cpuidle:
  cpuidle: Change :enter_dead() driver callback return type to void
  cpuidle: Do not return from cpuidle_play_dead() on callback failures
 2024-11-22 21:17:18 +01:00
Rob Herring (Arm)
5578b4347b tpm: atmel: Drop PPC64 specific MMIO setup 
The PPC64 specific MMIO setup open codes DT address functions rather
than using standard address parsing functions. The open-coded version
fails to handle any address translation and is not endian safe.

I haven't found any evidence of what platform used this. The only thing
that turned up was a PPC405 platform, but that is 32-bit and PPC405
support is being removed as well. CONFIG_TCG_ATMEL is not enabled for
any powerpc config and never was. The support was added in 2005 and
hasn't been touched since.

Rather than try to modernize and fix this code, just remove it.

[jarkko: fixed couple of style issues reported by checkpatch.pl --strict
 and put offset into parentheses in the macro declarations.]
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
 2024-11-22 00:56:50 +02:00
Linus Torvalds
28eb75e178 drm for 6.13-rc1 
core:
 - split DSC helpers from DP helpers
 - clang build fixes for drm/mm test
 - drop simple pipeline support for gem vram
 - document submission error signaling
 - move drm_rect to drm core module from kms helper
 - add default client setup to most drivers
 - move to video aperture helpers instead of drm ones
 
 tests:
 - new framebuffer tests
 
 ttm:
 - remove swapped and pinned BOs from TTM lru
 
 panic:
 - fix uninit spinlock
 - add ABGR2101010 support
 
 bridge:
 - add TI TDP158 support
 - use standard PM OPS
 
 dma-fence:
 - use read_trylock instead of read_lock to help lockdep
 
 scheduler:
 - add errno to sched start to report different errors
 - add locking to drm_sched_entity_modify_sched
 - improve documentation
 
 xe:
 - add drm_line_printer
 - lots of refactoring
 - Enable Xe2 + PES disaggregation
 - add new ARL PCI ID
 - SRIOV development work
 - fix exec unnecessary implicit fence
 - define and parse OA sync props
 - forcewake refactoring
 
 i915:
 - Enable BMG/LNL ultra joiner
 - Enable 10bpx + CCS scanout on ICL+, fp16/CCS on TGL+
 - use DSB for plane/color mgmt
 - Arrow lake PCI IDs
 - lots of i915/xe display refactoring
 - enable PXP GuC autoteardown
 - Pantherlake (PTL) Xe3 LPD display enablement
 - Allow fastset HDR infoframe changes
 - write DP source OUI for non-eDP sinks
 - share PCI IDs between i915 and xe
 
 amdgpu:
 - SDMA queue reset support
 - SMU 13.0.6, JPEG 4.0.3 updates
 - Initial runtime repartitioning support
 - rework IP structs for multiple IP instances
 - Fetch EDID from _DDC if available
 - SMU13 zero rpm user control
 - lots of fixes/cleanups
 
 amdkfd:
 - Increase event FIFO size
 - add topology cap flag for per queue reset
 
 msm:
 - DPU:
 - SA8775P support
 - (disabled by default) MSM8917, MSM8937, MSM8953 and MSM8996 support
 - Enable large framebuffer support
 - Drop MSM8998 and SDM845
 - DP:
 - SA8775P support
 - GPU:
 - a7xx preemption support
 - Adreno A663 support
 
 ast:
 - warn about unsupported TX chips
 
 ivpu:
 - add coredump
 - add pantherlake support
 
 rockchip:
 - 4K@60Hz display enablement
 - generate pll programming tables
 
 panthor:
 - add timestamp query API
 - add realtime group priority
 - add fdinfo support
 
 etnaviv:
 - improve handling of DMA address limits
 - improve GPU hangcheck
 
 exynos:
 - Decon Exynos7870 support
 
 mediatek:
 - add OF graph support
 
 omap:
 - locking fixes
 
 bochs:
 - convert to gem/shmem from simpledrm
 
 v3d:
 - support big/super pages
 - add gemfs
 
 vc4:
 - BCM2712 support refactoring
 - add YUV444 format support
 
 udmabuf:
 - folio related fixes
 
 nouveau:
 - add panic support on nv50+
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Merge tag 'drm-next-2024-11-21' of https://gitlab.freedesktop.org/drm/kernel

Pull drm updates from Dave Airlie:
 "There's a lot of rework, the panic helper support is being added to
  more drivers, v3d gets support for HW superpages, scheduler
  documentation, drm client and video aperture reworks, some new
  MAINTAINERS added, amdgpu has the usual lots of IP refactors, Intel
  has some Pantherlake enablement and xe is getting some SRIOV bits, but
  just lots of stuff everywhere.

  core:
   - split DSC helpers from DP helpers
   - clang build fixes for drm/mm test
   - drop simple pipeline support for gem vram
   - document submission error signaling
   - move drm_rect to drm core module from kms helper
   - add default client setup to most drivers
   - move to video aperture helpers instead of drm ones

  tests:
   - new framebuffer tests

  ttm:
   - remove swapped and pinned BOs from TTM lru

  panic:
   - fix uninit spinlock
   - add ABGR2101010 support

  bridge:
   - add TI TDP158 support
   - use standard PM OPS

  dma-fence:
   - use read_trylock instead of read_lock to help lockdep

  scheduler:
   - add errno to sched start to report different errors
   - add locking to drm_sched_entity_modify_sched
   - improve documentation

  xe:
   - add drm_line_printer
   - lots of refactoring
   - Enable Xe2 + PES disaggregation
   - add new ARL PCI ID
   - SRIOV development work
   - fix exec unnecessary implicit fence
   - define and parse OA sync props
   - forcewake refactoring

  i915:
   - Enable BMG/LNL ultra joiner
   - Enable 10bpx + CCS scanout on ICL+, fp16/CCS on TGL+
   - use DSB for plane/color mgmt
   - Arrow lake PCI IDs
   - lots of i915/xe display refactoring
   - enable PXP GuC autoteardown
   - Pantherlake (PTL) Xe3 LPD display enablement
   - Allow fastset HDR infoframe changes
   - write DP source OUI for non-eDP sinks
   - share PCI IDs between i915 and xe

  amdgpu:
   - SDMA queue reset support
   - SMU 13.0.6, JPEG 4.0.3 updates
   - Initial runtime repartitioning support
   - rework IP structs for multiple IP instances
   - Fetch EDID from _DDC if available
   - SMU13 zero rpm user control
   - lots of fixes/cleanups

  amdkfd:
   - Increase event FIFO size
   - add topology cap flag for per queue reset

  msm:
   - DPU:
      - SA8775P support
      - (disabled by default) MSM8917, MSM8937, MSM8953 and MSM8996 support
      - Enable large framebuffer support
      - Drop MSM8998 and SDM845
   - DP:
      - SA8775P support
   - GPU:
      - a7xx preemption support
      - Adreno A663 support

  ast:
   - warn about unsupported TX chips

  ivpu:
   - add coredump
   - add pantherlake support

  rockchip:
   - 4K@60Hz display enablement
   - generate pll programming tables

  panthor:
   - add timestamp query API
   - add realtime group priority
   - add fdinfo support

  etnaviv:
   - improve handling of DMA address limits
   - improve GPU hangcheck

  exynos:
   - Decon Exynos7870 support

  mediatek:
   - add OF graph support

  omap:
   - locking fixes

  bochs:
   - convert to gem/shmem from simpledrm

  v3d:
   - support big/super pages
   - add gemfs

  vc4:
   - BCM2712 support refactoring
   - add YUV444 format support

  udmabuf:
   - folio related fixes

  nouveau:
   - add panic support on nv50+"

* tag 'drm-next-2024-11-21' of https://gitlab.freedesktop.org/drm/kernel: (1583 commits)
  drm/xe/guc: Fix dereference before NULL check
  drm/amd: Fix initialization mistake for NBIO 7.7.0
  Revert "drm/amd/display: parse umc_info or vram_info based on ASIC"
  drm/amd/display: Fix failure to read vram info due to static BP_RESULT
  drm/amdgpu: enable GTT fallback handling for dGPUs only
  drm/amd/amdgpu: limit single process inside MES
  drm/fourcc: add AMD_FMT_MOD_TILE_GFX9_4K_D_X
  drm/amdgpu/mes12: correct kiq unmap latency
  drm/amdgpu: Support vcn and jpeg error info parsing
  drm/amd : Update MES API header file for v11 & v12
  drm/amd/amdkfd: add/remove kfd queues on start/stop KFD scheduling
  drm/amdkfd: change kfd process kref count at creation
  drm/amdgpu: Cleanup shift coding style
  drm/amd/amdgpu: Increase MES log buffer to dump mes scratch data
  drm/amdgpu: Implement virt req_ras_err_count
  drm/amdgpu: VF Query RAS Caps from Host if supported
  drm/amdgpu: Add msg handlers for SRIOV RAS Telemetry
  drm/amdgpu: Update SRIOV Exchange Headers for RAS Telemetry Support
  drm/amd/display: 3.2.309
  drm/amd/display: Adjust VSDB parser for replay feature
  ...
 2024-11-21 14:56:17 -08:00
Jett Rink
2e1827de1b char: tpm: cr50: Add new device/vendor ID 0x50666666 
Accept another DID:VID for the next generation Google TPM. This TPM
has the same Ti50 firmware and fulfills the same interface.

Suggested-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jett Rink <jettrink@chromium.org>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
 2024-11-22 00:48:27 +02:00
Jan Dabros
44637b0b40 char: tpm: cr50: Move i2c locking to request/relinquish locality ops 
Move i2c locking primitives to request_locality and relinquish_locality
callbacks, what effectively blocks TPM bus for the whole duration of
logical TPM operation.

With this in place, cr50-equipped TPM may be shared with external CPUs -
assuming that underneath i2c controller driver is aware of this setup
(see i2c-designware-amdpsp as an example).

Signed-off-by: Jan Dabros <jsd@semihalf.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
 2024-11-22 00:48:27 +02:00
Jan Dabros
932e3a5e1e char: tpm: cr50: Use generic request/relinquish locality ops 
Instead of using static functions tpm_cr50_request_locality and
tpm_cr50_release_locality register callbacks from tpm class chip->ops
created for this purpose.

Signed-off-by: Jan Dabros <jsd@semihalf.com>
Signed-off-by: Grzegorz Bernacki <bernacki@chromium.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
 2024-11-22 00:48:27 +02:00
Stefan Berger
02e9bda80d tpm: ibmvtpm: Set TPM_OPS_AUTO_STARTUP flag on driver 
Set the TPM_OPS_AUTO_STARTUP on the driver so that the ibmvtpm driver now
uses tpm2_auto_startup and tpm1_auto_startup like many other drivers do.
Remove tpm_get_timeouts, tpm2_get_cc_attrs_tbl, and tpm2_sessions_init
calls from it since these will all be called in tpm2_auto_startup and
tpm1_auto_startup.

The exporting of the tpm2_session_init symbol was only necessary while the
ibmvtpm driver was calling this function. Since this is not the case
anymore, remove this symbol from being exported.

What is new for the ibmvtpm driver is that now tpm2_do_selftest and
tpm1_do_selftest will be called that send commands to the TPM to perform
or continue its selftest. However, the firmware should already have sent
these commands so that the TPM will not do much work at this time.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
 2024-11-22 00:48:26 +02:00
Linus Torvalds
071b34dcf7 sound updates for 6.13-rc1 
This is a relatively calm cycle, and majority of changes are about
 ASoC.  There are little changes in the core side but we received
 lots of new drivers for new vendors.
 
 * ALSA Core:
 - The new accel operation mode for compress-offload API;
   only the core part, and the actual user will follow at next
 
 * ASoC:
 - Continued API simplification works
 - Renaming of the sh directory to Renesas
 - Factoring out of some of the common code for Realtek devices
 - Ussal ASoC Intel SOF, AMD and SoundWire updates
 - Support for Allwinner H616, AMD ACP 6.3 systems, AWInic AW88081,
   Cirrus Logic CS32L84, Everest ES8328, Iron Devices SMA1307,
   Longsoon I2S, NeoFidelity NTP8918 and NTP8835, Philips UDA1342,
   Qualcomm SM8750, RealTek RT721, and ST Microelectronics STM32MP25
 
 * HD- and USB-audio:
 - Clean up of IRQ handling in legacy HD-audio driver
 - Fix soft lockup at disconnection of non-standard USB drivers
 - Scarlett2 mixer improvements
 - New quirks and cleanups in HD- and USB-audio
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Merge tag 'sound-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "This is a relatively calm cycle, and majority of changes are about
  ASoC. There are little changes in the core side but we received lots
  of new drivers for new vendors.

  ALSA Core:
   - The new accel operation mode for compress-offload API; only the
     core part, the actual user will follow later

  ASoC:
   - Continued API simplification works
   - Renaming of the sh directory to Renesas
   - Factoring out of some of the common code for Realtek devices
   - Ussal ASoC Intel SOF, AMD and SoundWire updates
   - Support for Allwinner H616, AMD ACP 6.3 systems, AWInic AW88081,
     Cirrus Logic CS32L84, Everest ES8328, Iron Devices SMA1307,
     Longsoon I2S, NeoFidelity NTP8918 and NTP8835, Philips UDA1342,
     Qualcomm SM8750, RealTek RT721, and ST Microelectronics STM32MP25

  HD- and USB-audio:
   - Clean up of IRQ handling in legacy HD-audio driver
   - Fix soft lockup at disconnection of non-standard USB drivers
   - Scarlett2 mixer improvements
   - New quirks and cleanups in HD- and USB-audio"

* tag 'sound-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (278 commits)
  ALSA: hda: Poll jack events for LS7A HD-Audio
  ASoC: hdmi-codec: reorder channel allocation list
  ALSA: ump: Fix the wrong format specifier
  ASoC: Intel: soc-acpi-intel-lnl-match: add rt712_vb + rt1320 support
  ASoC: stm32: dfsdm: change rate upper limits
  ASoC: sma1307: fix uninitialized variable refence
  ASoC: dt-bindings: simple-mux: add idle-state property
  ASoc: simple-mux: add idle-state support
  ASoC: sdca: test adev before calling acpi_dev_for_each_child
  ASoC: SOF: ipc4-topology: remove redundant assignment to variable ret
  ASoC: amd: ps: fix the pcm device numbering for acp 6.3 platform
  ASoC: amd: acp: add soundwire machine driver for legacy stack
  ASoC: amd: acp: move get_acp63_cpu_pin_id() to common file
  ASoC: amd: ps: add soundwire machines for acp6.3 platform
  ASoC: amd: acp: add RT711, RT714 & RT1316 support for acp 6.3 platform
  ASoC: amd: acp: add rt722 based soundwire machines
  ALSA: compress_offload: Add missing descriptions in structs
  ALSA: 6fire: Release resources at card release
  ALSA: caiaq: Use snd_card_free_when_closed() at disconnection
  ALSA: us122l: Drop mmap_count field
  ...
 2024-11-21 14:39:31 -08:00
Linus Torvalds
55ae3eef10 i2c-for-6.13-rc1 
i2c-core (Wolfram)
 
  - drivers can now use a GPIO as a side channel for SMBus Alerts
    using a generic binding
 
  - regular stuff like mem leak fix, Makefile maintenance...
 
 i2c-host updates (Andi)
 
 Major Improvements and Refactoring:
 
  - All controllers using the 'remove_new' callback have been
    reverted to use the 'remove' callback.
 
  - Intel SCH controller underwent significant refactoring,
    this brings love and a modern look to the driver.
 
  - PIIX4 driver refactored to enable usage by other drivers
    (e.g., AMD ASF).
 
  - iMX/MXC improved message handling to reduce protocol overhead:
      Refactored DMA/non-DMA read/write and bus polling mechanisms
      to achieve this.
 
  - ACPI documentation for PIIX4.
 
 New Features:
 
  - i2c-cadence added support for atomic transfers.
  - Qualcomm CII added support for a 32MHz serial engine clock.
 
 Deprecated Features:
 
  - Dropped outdated support for AMD756 S4882 and NFORCE2 S4985. If
    somebody misses this, Jean will rewrite support using the proper
    i2c mux framework.
 
 New Hardware Support:
 
  - Added support for:
    - Intel Panther Lake (new ID)
    - AMD ASF (new driver)
    - S32G2/S32G3 SoCs (new ID)
    - Realtek RTL I2C Controller (new driver)
    - HJMC01 DesignWare ACPI HID (new ID)
    - PIC64GX to Microchip Core (new ID)
    - Qualcomm SDM670 to Qualcomm CCI (new ID)
 
 at24 updates (Bartosz)
 
 - add support for the lockable page on ST M24256E
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Merge tag 'i2c-for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c updates from Wolfram Sang:
 "Core:

   - drivers can now use a GPIO as a side channel for SMBus Alerts using
     a generic binding

   - regular stuff like mem leak fix, Makefile maintenance...

  Host improvements and refactoring:

   - All controllers using the 'remove_new' callback have been reverted
     to use the 'remove' callback

   - Intel SCH controller underwent significant refactoring, this brings
     love and a modern look to the driver

   - PIIX4 driver refactored to enable usage by other drivers (e.g., AMD
     ASF)

   - iMX/MXC improved message handling to reduce protocol overhead:
     Refactored DMA/non-DMA read/write and bus polling mechanisms to
     achieve this.

   - ACPI documentation for PIIX4

  New host features:

   - i2c-cadence support for atomic transfers

   - Qualcomm CII support for a 32MHz serial engine clock

  Deprecated features:

   - Dropped outdated support for AMD756 S4882 and NFORCE2 S4985. If
     somebody misses this, Jean will rewrite support using the proper
     i2c mux framework.

  New hardware IDs for existing drivers:

   - Intel Panther Lake

   - S32G2/S32G3 SoCs

   - HJMC01 DesignWare ACPI HID

   - PIC64GX to Microchip Core

   - Qualcomm SDM670 to Qualcomm CCI

  New drivers:

   - AMD ASF

   - Realtek RTL I2C Controller

  at24 updates:

   - add support for the lockable page on ST M24256E"

* tag 'i2c-for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (59 commits)
  docs: i2c: piix4: Add ACPI section
  i2c: Add driver for the RTL9300 I2C controller
  i2c: qcom-cci: Remove unused struct member cci_clk_rate
  dt-bindings: i2c: Add Realtek RTL I2C Controller
  i2c: busses: Use *-y instead of *-objs in Makefile
  i2c: imx: add support for S32G2/S32G3 SoCs
  dt-bindings: i2c: imx: add SoC specific compatible strings for S32G
  i2c: qcom-cci: Remove the unused variable cci_clk_rate
  i2c: Drop legacy muxing pseudo-drivers
  i2c: imx: prevent rescheduling in non dma mode
  i2c: imx: separate atomic, dma and non-dma use case
  i2c: imx: do not poll for bus busy in single master mode
  i2c: designware: Add a new ACPI HID for HJMC01 I2C controller
  i2c: qcom-geni: Keep comment why interrupts start disabled
  dt-bindings: i2c: microchip: corei2c: Add PIC64GX as compatible with driver
  i2c: designware: constify abort_sources
  i2c: Switch back to struct platform_driver::remove()
  i2c: qcom-geni: Support systems with 32MHz serial engine clock
  i2c: qcom-cci: Stop complaining about DT set clock rate
  dt-bindings: i2c: qcom-cci: Document SDM670 compatible
  ...
 2024-11-21 13:19:29 -08:00
Linus Torvalds
341d041daa iommufd 6.13 merge window pull 
Several new features and uAPI for iommufd:
 
 - IOMMU_IOAS_MAP_FILE allows passing in a file descriptor as the backing
   memory for an iommu mapping. To date VFIO/iommufd have used VMA's and
   pin_user_pages(), this now allows using memfds and memfd_pin_folios().
   Notably this creates a pure folio path from the memfd to the iommu page
   table where memory is never broken down to PAGE_SIZE.
 
 - IOMMU_IOAS_CHANGE_PROCESS moves the pinned page accounting between two
   processes. Combined with the above this allows iommufd to support a VMM
   re-start using exec() where something like qemu would exec() a new
   version of itself and fd pass the memfds/iommufd/etc to the new
   process. The memfd allows DMA access to the memory to continue while
   the new process is getting setup, and the CHANGE_PROCESS updates all
   the accounting.
 
 - Support for fault reporting to userspace on non-PRI HW, such as ARM
   stall-mode embedded devices.
 
 - IOMMU_VIOMMU_ALLOC introduces the concept of a HW/driver backed virtual
   iommu. This will be used by VMMs to access hardware features that are
   contained with in a VM. The first use is to inform the kernel of the
   virtual SID to physical SID mapping when issuing SID based invalidation
   on ARM. Further uses will tie HW features that are directly accessed by
   the VM, such as invalidation queue assignment and others.
 
 - IOMMU_VDEVICE_ALLOC informs the kernel about the mapping of virtual
   device to physical device within a VIOMMU. Minimially this is used to
   translate VM issued cache invalidation commands from virtual to physical
   device IDs.
 
 - Enhancements to IOMMU_HWPT_INVALIDATE and IOMMU_HWPT_ALLOC to work with
   the VIOMMU
 
 - ARM SMMuv3 support for nested translation. Using the VIOMMU and VDEVICE
   the driver can model this HW's behavior for nested translation. This
   includes a shared branch from Will.
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd

Pull iommufd updates from Jason Gunthorpe:
 "Several new features and uAPI for iommufd:

   - IOMMU_IOAS_MAP_FILE allows passing in a file descriptor as the
     backing memory for an iommu mapping. To date VFIO/iommufd have used
     VMA's and pin_user_pages(), this now allows using memfds and
     memfd_pin_folios(). Notably this creates a pure folio path from the
     memfd to the iommu page table where memory is never broken down to
     PAGE_SIZE.

   - IOMMU_IOAS_CHANGE_PROCESS moves the pinned page accounting between
     two processes. Combined with the above this allows iommufd to
     support a VMM re-start using exec() where something like qemu would
     exec() a new version of itself and fd pass the memfds/iommufd/etc
     to the new process. The memfd allows DMA access to the memory to
     continue while the new process is getting setup, and the
     CHANGE_PROCESS updates all the accounting.

   - Support for fault reporting to userspace on non-PRI HW, such as ARM
     stall-mode embedded devices.

   - IOMMU_VIOMMU_ALLOC introduces the concept of a HW/driver backed
     virtual iommu. This will be used by VMMs to access hardware
     features that are contained with in a VM. The first use is to
     inform the kernel of the virtual SID to physical SID mapping when
     issuing SID based invalidation on ARM. Further uses will tie HW
     features that are directly accessed by the VM, such as invalidation
     queue assignment and others.

   - IOMMU_VDEVICE_ALLOC informs the kernel about the mapping of virtual
     device to physical device within a VIOMMU. Minimially this is used
     to translate VM issued cache invalidation commands from virtual to
     physical device IDs.

   - Enhancements to IOMMU_HWPT_INVALIDATE and IOMMU_HWPT_ALLOC to work
     with the VIOMMU

   - ARM SMMuv3 support for nested translation. Using the VIOMMU and
     VDEVICE the driver can model this HW's behavior for nested
     translation. This includes a shared branch from Will"

* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd: (51 commits)
  iommu/arm-smmu-v3: Import IOMMUFD module namespace
  iommufd: IOMMU_IOAS_CHANGE_PROCESS selftest
  iommufd: Add IOMMU_IOAS_CHANGE_PROCESS
  iommufd: Lock all IOAS objects
  iommufd: Export do_update_pinned
  iommu/arm-smmu-v3: Support IOMMU_HWPT_INVALIDATE using a VIOMMU object
  iommu/arm-smmu-v3: Allow ATS for IOMMU_DOMAIN_NESTED
  iommu/arm-smmu-v3: Use S2FWB for NESTED domains
  iommu/arm-smmu-v3: Support IOMMU_DOMAIN_NESTED
  iommu/arm-smmu-v3: Support IOMMU_VIOMMU_ALLOC
  Documentation: userspace-api: iommufd: Update vDEVICE
  iommufd/selftest: Add vIOMMU coverage for IOMMU_HWPT_INVALIDATE ioctl
  iommufd/selftest: Add IOMMU_TEST_OP_DEV_CHECK_CACHE test command
  iommufd/selftest: Add mock_viommu_cache_invalidate
  iommufd/viommu: Add iommufd_viommu_find_dev helper
  iommu: Add iommu_copy_struct_from_full_user_array helper
  iommufd: Allow hwpt_id to carry viommu_id for IOMMU_HWPT_INVALIDATE
  iommu/viommu: Add cache_invalidate to iommufd_viommu_ops
  iommufd/selftest: Add IOMMU_VDEVICE_ALLOC test coverage
  iommufd/viommu: Add IOMMUFD_OBJ_VDEVICE and IOMMU_VDEVICE_ALLOC ioctl
  ...
 2024-11-21 12:40:50 -08:00
Linus Torvalds
51ae62a12c dma-mapping updates for Linux 6.13 
- improve the DMA API tracing code (Sean Anderson)
  - misc cleanups (Christoph Hellwig, Sui Jingfeng)
  - fix pointer abuse when finding the shared DMA pool (Geert Uytterhoeven)
  - fix a deadlock in dma-debug (Levi Yun)
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Merge tag 'dma-mapping-6.13-2024-11-19' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - improve the DMA API tracing code (Sean Anderson)

 - misc cleanups (Christoph Hellwig, Sui Jingfeng)

 - fix pointer abuse when finding the shared DMA pool (Geert
   Uytterhoeven)

 - fix a deadlock in dma-debug (Levi Yun)

* tag 'dma-mapping-6.13-2024-11-19' of git://git.infradead.org/users/hch/dma-mapping:
  dma-mapping: save base/size instead of pointer to shared DMA pool
  dma-mapping: fix swapped dir/flags arguments to trace_dma_alloc_sgt_err
  dma-mapping: drop unneeded includes from dma-mapping.h
  dma-mapping: trace more error paths
  dma-mapping: use trace_dma_alloc for dma_alloc* instead of using trace_dma_map
  dma-mapping: trace dma_alloc/free direction
  dma-mapping: use macros to define events in a class
  dma-mapping: remove an outdated comment from dma-map-ops.h
  dma-debug: remove DMA_API_DEBUG_SG
  dma-debug: store a phys_addr_t in struct dma_debug_entry
  dma-debug: fix a possible deadlock on radix_lock
 2024-11-21 11:28:39 -08:00
Linus Torvalds
40f48f82a1 configfs updates for Linux 6.13 
- remove unused code (Dr. David Alan Gilbert)
  - improve item creation performance (Seamus Connor)
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Merge tag 'configfs-6.13-2024-11-19' of git://git.infradead.org/users/hch/configfs

Pull configfs updates from Christoph Hellwig:

 - remove unused code (Dr. David Alan Gilbert)

 - improve item creation performance (Seamus Connor)

* tag 'configfs-6.13-2024-11-19' of git://git.infradead.org/users/hch/configfs:
  configfs: improve item creation performance
  configfs: remove unused configfs_hash_and_remove
 2024-11-21 11:26:38 -08:00
Linus Torvalds
fc39fb5691 A few more patches to add sanity checks in jfs 
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Merge tag 'jfs-6.13' of github.com:kleikamp/linux-shaggy

Pull jfs updates from Dave Kleikamp:
 "A few more patches to add sanity checks in jfs"

* tag 'jfs-6.13' of github.com:kleikamp/linux-shaggy:
  jfs: add a check to prevent array-index-out-of-bounds in dbAdjTree
  jfs: xattr: check invalid xattr size more strictly
  jfs: fix array-index-out-of-bounds in jfs_readdir
  jfs: fix shift-out-of-bounds in dbSplit
  jfs: array-index-out-of-bounds fix in dtReadFirst
 2024-11-21 09:59:59 -08:00
Linus Torvalds
6a550ae556 dlm for 6.13 
- Fix recovery of locks that are being converted between PR/CW modes.
 - Fix cleanup of rsb list if recovery is interrupted during recover_members.
 - Fix null dereference in debug code if dlm api is called improperly.
 - Fix wrong args passed to trace function.
 - Move error checks out of add_to_waiters so the function can't fail.
 - Clean up some code for configfs.
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Merge tag 'dlm-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm

Pull dlm updates from David Teigland:

 - Fix recovery of locks that are being converted between PR/CW modes

 - Fix cleanup of rsb list if recovery is interrupted during
   recover_members

 - Fix null dereference in debug code if dlm api is called improperly

 - Fix wrong args passed to trace function

 - Move error checks out of add_to_waiters so the function can't fail

 - Clean up some code for configfs

* tag 'dlm-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
  dlm: fix dlm_recover_members refcount on error
  dlm: fix recovery of middle conversions
  dlm: make add_to_waiters() that it can't fail
  dlm: dlm_config_info config fields to unsigned int
  dlm: use dlm_config as only cluster configuration
  dlm: handle port as __be16 network byte order
  dlm: disallow different configs nodeid storages
  dlm: fix possible lkb_resource null dereference
  dlm: fix swapped args sb_flags vs sb_status
 2024-11-21 09:57:46 -08:00
Linus Torvalds
2dde263d81 \n 
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Merge tag 'fsnotify_for_v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull fsnotify updates from Jan Kara:
 "A couple of smaller random fsnotify fixes"

* tag 'fsnotify_for_v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  fsnotify: Fix ordering of iput() and watched_objects decrement
  fsnotify: fix sending inotify event with unexpected filename
  fanotify: allow reporting errors on failure to open fd
  fsnotify, lsm: Decouple fsnotify from lsm
 2024-11-21 09:55:45 -08:00
Linus Torvalds
c01f664e4c \n 
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Merge tag 'reiserfs_delete' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull reiserfs removal from Jan Kara:
 "The deprecation period of reiserfs is ending at the end of this year
  so it is time to remove it"

* tag 'reiserfs_delete' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  reiserfs: The last commit
 2024-11-21 09:50:18 -08:00
Linus Torvalds
597861d6cd \n 
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Merge tag 'for_v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull quota and isofs updates from Jan Kara:
 "Fix a memory leak in isofs and a cleanup of includes in quota"

* tag 'for_v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  dquot.c: get rid of include ../internal.h
  isofs: avoid memory leak in iocharset
 2024-11-21 09:47:44 -08:00
Linus Torvalds
2edc8f933d New xfs code for 6.13 
* convert perag to use xarrays
 * create a new generic allocation group structure
 * Add metadata inode dir trees
 * Create in-core rt allocation groups
 * Shard the RT section into allocation groups
 * Persist quota options with the enw metadata dir tree
 * Enable quota for RT volumes
 * Enable metadata directory trees
 * Some bugfixes
 
 Signed-off-by: Carlos Maiolino <cem@kernel.org>
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Merge tag 'xfs-6.13-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs updates from Carlos Maiolino:
 "The bulk of this pull request is a major rework that Darrick and
  Christoph have been doing on XFS's real-time volume, coupled with a
  few features to support this rework. It does also includes some bug
  fixes.

   - convert perag to use xarrays

   - create a new generic allocation group structure

   - add metadata inode dir trees

   - create in-core rt allocation groups

   - shard the RT section into allocation groups

   - persist quota options with the enw metadata dir tree

   - enable quota for RT volumes

   - enable metadata directory trees

   - some bugfixes"

* tag 'xfs-6.13-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (146 commits)
  xfs: port ondisk structure checks from xfs/122 to the kernel
  xfs: separate space btree structures in xfs_ondisk.h
  xfs: convert struct typedefs in xfs_ondisk.h
  xfs: enable metadata directory feature
  xfs: enable realtime quota again
  xfs: update sb field checks when metadir is turned on
  xfs: reserve quota for realtime files correctly
  xfs: create quota preallocation watermarks for realtime quota
  xfs: report realtime block quota limits on realtime directories
  xfs: persist quota flags with metadir
  xfs: advertise realtime quota support in the xqm stat files
  xfs: scrub quota file metapaths
  xfs: fix chown with rt quota
  xfs: use metadir for quota inodes
  xfs: refactor xfs_qm_destroy_quotainos
  xfs: use rtgroup busy extent list for FITRIM
  xfs: implement busy extent tracking for rtgroups
  xfs: port the perag discard code to handle generic groups
  xfs: move the min and max group block numbers to xfs_group
  xfs: adjust min_block usage in xfs_verify_agbno
  ...
 2024-11-21 09:20:07 -08:00
Linus Torvalds
90a19b744d Changes since last update: 
- Add SEEK_{DATA,HOLE} support;
 
  - Free redundant pclusters if no cached compressed data is valid;
 
  - Add sysfs entry to drop internal caches;
 
  - Several bugfixes & cleanups.
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Merge tag 'erofs-for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs

Pull erofs updates from Gao Xiang:
 "There is no outstanding feature for this cycle. The most useful
  changes are SEEK_{DATA,HOLE} support and some decompression
  micro-optimization. Other than those, there are some bugfixes and
  cleanups as usual:

   - Add SEEK_{DATA,HOLE} support

   - Free redundant pclusters if no cached compressed data is valid

   - Add sysfs entry to drop internal caches

   - Several bugfixes & cleanups"

* tag 'erofs-for-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
  erofs: handle NONHEAD !delta[1] lclusters gracefully
  erofs: clarify direct I/O support
  erofs: fix blksize < PAGE_SIZE for file-backed mounts
  erofs: get rid of `buf->kmap_type`
  erofs: fix file-backed mounts over FUSE
  erofs: simplify definition of the log functions
  erofs: add sysfs node to drop internal caches
  erofs: free pclusters if no cached folio is attached
  erofs: sunset `struct erofs_workgroup`
  erofs: move erofs_workgroup operations into zdata.c
  erofs: get rid of erofs_{find,insert}_workgroup
  erofs: add SEEK_{DATA,HOLE} support
 2024-11-21 09:17:33 -08:00
Paul Aurich
a9685b409a smb: prevent use-after-free due to open_cached_dir error paths 
If open_cached_dir() encounters an error parsing the lease from the
server, the error handling may race with receiving a lease break,
resulting in open_cached_dir() freeing the cfid while the queued work is
pending.

Update open_cached_dir() to drop refs rather than directly freeing the
cfid.

Have cached_dir_lease_break(), cfids_laundromat_worker(), and
invalidate_all_cached_dirs() clear has_lease immediately while still
holding cfids->cfid_list_lock, and then use this to also simplify the
reference counting in cfids_laundromat_worker() and
invalidate_all_cached_dirs().

Fixes this KASAN splat (which manually injects an error and lease break
in open_cached_dir()):

==================================================================
BUG: KASAN: slab-use-after-free in smb2_cached_lease_break+0x27/0xb0
Read of size 8 at addr ffff88811cc24c10 by task kworker/3:1/65

CPU: 3 UID: 0 PID: 65 Comm: kworker/3:1 Not tainted 6.12.0-rc6-g255cf264e6e5-dirty #87
Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 11/12/2020
Workqueue: cifsiod smb2_cached_lease_break
Call Trace:
 <TASK>
 dump_stack_lvl+0x77/0xb0
 print_report+0xce/0x660
 kasan_report+0xd3/0x110
 smb2_cached_lease_break+0x27/0xb0
 process_one_work+0x50a/0xc50
 worker_thread+0x2ba/0x530
 kthread+0x17c/0x1c0
 ret_from_fork+0x34/0x60
 ret_from_fork_asm+0x1a/0x30
 </TASK>

Allocated by task 2464:
 kasan_save_stack+0x33/0x60
 kasan_save_track+0x14/0x30
 __kasan_kmalloc+0xaa/0xb0
 open_cached_dir+0xa7d/0x1fb0
 smb2_query_path_info+0x43c/0x6e0
 cifs_get_fattr+0x346/0xf10
 cifs_get_inode_info+0x157/0x210
 cifs_revalidate_dentry_attr+0x2d1/0x460
 cifs_getattr+0x173/0x470
 vfs_statx_path+0x10f/0x160
 vfs_statx+0xe9/0x150
 vfs_fstatat+0x5e/0xc0
 __do_sys_newfstatat+0x91/0xf0
 do_syscall_64+0x95/0x1a0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e

Freed by task 2464:
 kasan_save_stack+0x33/0x60
 kasan_save_track+0x14/0x30
 kasan_save_free_info+0x3b/0x60
 __kasan_slab_free+0x51/0x70
 kfree+0x174/0x520
 open_cached_dir+0x97f/0x1fb0
 smb2_query_path_info+0x43c/0x6e0
 cifs_get_fattr+0x346/0xf10
 cifs_get_inode_info+0x157/0x210
 cifs_revalidate_dentry_attr+0x2d1/0x460
 cifs_getattr+0x173/0x470
 vfs_statx_path+0x10f/0x160
 vfs_statx+0xe9/0x150
 vfs_fstatat+0x5e/0xc0
 __do_sys_newfstatat+0x91/0xf0
 do_syscall_64+0x95/0x1a0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e

Last potentially related work creation:
 kasan_save_stack+0x33/0x60
 __kasan_record_aux_stack+0xad/0xc0
 insert_work+0x32/0x100
 __queue_work+0x5c9/0x870
 queue_work_on+0x82/0x90
 open_cached_dir+0x1369/0x1fb0
 smb2_query_path_info+0x43c/0x6e0
 cifs_get_fattr+0x346/0xf10
 cifs_get_inode_info+0x157/0x210
 cifs_revalidate_dentry_attr+0x2d1/0x460
 cifs_getattr+0x173/0x470
 vfs_statx_path+0x10f/0x160
 vfs_statx+0xe9/0x150
 vfs_fstatat+0x5e/0xc0
 __do_sys_newfstatat+0x91/0xf0
 do_syscall_64+0x95/0x1a0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e

The buggy address belongs to the object at ffff88811cc24c00
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 16 bytes inside of
 freed 1024-byte region [ffff88811cc24c00, ffff88811cc25000)

Cc: stable@vger.kernel.org
Signed-off-by: Paul Aurich <paul@darkrain42.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
 2024-11-21 10:45:50 -06:00
Paul Aurich
7afb867336 smb: Don't leak cfid when reconnect races with open_cached_dir 
open_cached_dir() may either race with the tcon reconnection even before
compound_send_recv() or directly trigger a reconnection via
SMB2_open_init() or SMB_query_info_init().

The reconnection process invokes invalidate_all_cached_dirs() via
cifs_mark_open_files_invalid(), which removes all cfids from the
cfids->entries list but doesn't drop a ref if has_lease isn't true. This
results in the currently-being-constructed cfid not being on the list,
but still having a refcount of 2. It leaks if returned from
open_cached_dir().

Fix this by setting cfid->has_lease when the ref is actually taken; the
cfid will not be used by other threads until it has a valid time.

Addresses these kmemleaks:

unreferenced object 0xffff8881090c4000 (size 1024):
  comm "bash", pid 1860, jiffies 4295126592
  hex dump (first 32 bytes):
    00 01 00 00 00 00 ad de 22 01 00 00 00 00 ad de  ........".......
    00 ca 45 22 81 88 ff ff f8 dc 4f 04 81 88 ff ff  ..E"......O.....
  backtrace (crc 6f58c20f):
    [<ffffffff8b895a1e>] __kmalloc_cache_noprof+0x2be/0x350
    [<ffffffff8bda06e3>] open_cached_dir+0x993/0x1fb0
    [<ffffffff8bdaa750>] cifs_readdir+0x15a0/0x1d50
    [<ffffffff8b9a853f>] iterate_dir+0x28f/0x4b0
    [<ffffffff8b9a9aed>] __x64_sys_getdents64+0xfd/0x200
    [<ffffffff8cf6da05>] do_syscall_64+0x95/0x1a0
    [<ffffffff8d00012f>] entry_SYSCALL_64_after_hwframe+0x76/0x7e
unreferenced object 0xffff8881044fdcf8 (size 8):
  comm "bash", pid 1860, jiffies 4295126592
  hex dump (first 8 bytes):
    00 cc cc cc cc cc cc cc                          ........
  backtrace (crc 10c106a9):
    [<ffffffff8b89a3d3>] __kmalloc_node_track_caller_noprof+0x363/0x480
    [<ffffffff8b7d7256>] kstrdup+0x36/0x60
    [<ffffffff8bda0700>] open_cached_dir+0x9b0/0x1fb0
    [<ffffffff8bdaa750>] cifs_readdir+0x15a0/0x1d50
    [<ffffffff8b9a853f>] iterate_dir+0x28f/0x4b0
    [<ffffffff8b9a9aed>] __x64_sys_getdents64+0xfd/0x200
    [<ffffffff8cf6da05>] do_syscall_64+0x95/0x1a0
    [<ffffffff8d00012f>] entry_SYSCALL_64_after_hwframe+0x76/0x7e

And addresses these BUG splats when unmounting the SMB filesystem:

BUG: Dentry ffff888140590ba0{i=1000000000080,n=/}  still in use (2) [unmount of cifs cifs]
WARNING: CPU: 3 PID: 3433 at fs/dcache.c:1536 umount_check+0xd0/0x100
Modules linked in:
CPU: 3 UID: 0 PID: 3433 Comm: bash Not tainted 6.12.0-rc4-g850925a8133c-dirty #49
Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 11/12/2020
RIP: 0010:umount_check+0xd0/0x100
Code: 8d 7c 24 40 e8 31 5a f4 ff 49 8b 54 24 40 41 56 49 89 e9 45 89 e8 48 89 d9 41 57 48 89 de 48 c7 c7 80 e7 db ac e8 f0 72 9a ff <0f> 0b 58 31 c0 5a 5b 5d 41 5c 41 5d 41 5e 41 5f e9 2b e5 5d 01 41
RSP: 0018:ffff88811cc27978 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888140590ba0 RCX: ffffffffaaf20bae
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff8881f6fb6f40
RBP: ffff8881462ec000 R08: 0000000000000001 R09: ffffed1023984ee3
R10: ffff88811cc2771f R11: 00000000016cfcc0 R12: ffff888134383e08
R13: 0000000000000002 R14: ffff8881462ec668 R15: ffffffffaceab4c0
FS:  00007f23bfa98740(0000) GS:ffff8881f6f80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556de4a6f808 CR3: 0000000123c80000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 d_walk+0x6a/0x530
 shrink_dcache_for_umount+0x6a/0x200
 generic_shutdown_super+0x52/0x2a0
 kill_anon_super+0x22/0x40
 cifs_kill_sb+0x159/0x1e0
 deactivate_locked_super+0x66/0xe0
 cleanup_mnt+0x140/0x210
 task_work_run+0xfb/0x170
 syscall_exit_to_user_mode+0x29f/0x2b0
 do_syscall_64+0xa1/0x1a0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f23bfb93ae7
Code: ff ff ff ff c3 66 0f 1f 44 00 00 48 8b 0d 11 93 0d 00 f7 d8 64 89 01 b8 ff ff ff ff eb bf 0f 1f 44 00 00 b8 50 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e9 92 0d 00 f7 d8 64 89 01 48
RSP: 002b:00007ffee9138598 EFLAGS: 00000246 ORIG_RAX: 0000000000000050
RAX: 0000000000000000 RBX: 0000558f1803e9a0 RCX: 00007f23bfb93ae7
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000558f1803e9a0
RBP: 0000558f1803e600 R08: 0000000000000007 R09: 0000558f17fab610
R10: d91d5ec34ab757b0 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000015 R15: 0000000000000000
 </TASK>
irq event stamp: 1163486
hardirqs last  enabled at (1163485): [<ffffffffac98d344>] _raw_spin_unlock_irqrestore+0x34/0x60
hardirqs last disabled at (1163486): [<ffffffffac97dcfc>] __schedule+0xc7c/0x19a0
softirqs last  enabled at (1163482): [<ffffffffab79a3ee>] __smb_send_rqst+0x3de/0x990
softirqs last disabled at (1163480): [<ffffffffac2314f1>] release_sock+0x21/0xf0
---[ end trace 0000000000000000 ]---

VFS: Busy inodes after unmount of cifs (cifs)
------------[ cut here ]------------
kernel BUG at fs/super.c:661!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 3433 Comm: bash Tainted: G        W          6.12.0-rc4-g850925a8133c-dirty #49
Tainted: [W]=WARN
Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 11/12/2020
RIP: 0010:generic_shutdown_super+0x290/0x2a0
Code: e8 15 7c f7 ff 48 8b 5d 28 48 89 df e8 09 7c f7 ff 48 8b 0b 48 89 ee 48 8d 95 68 06 00 00 48 c7 c7 80 7f db ac e8 00 69 af ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90
RSP: 0018:ffff88811cc27a50 EFLAGS: 00010246
RAX: 000000000000003e RBX: ffffffffae994420 RCX: 0000000000000027
RDX: 0000000000000000 RSI: ffffffffab06180e RDI: ffff8881f6eb18c8
RBP: ffff8881462ec000 R08: 0000000000000001 R09: ffffed103edd6319
R10: ffff8881f6eb18cb R11: 00000000016d3158 R12: ffff8881462ec9c0
R13: ffff8881462ec050 R14: 0000000000000001 R15: 0000000000000000
FS:  00007f23bfa98740(0000) GS:ffff8881f6e80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8364005d68 CR3: 0000000123c80000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 kill_anon_super+0x22/0x40
 cifs_kill_sb+0x159/0x1e0
 deactivate_locked_super+0x66/0xe0
 cleanup_mnt+0x140/0x210
 task_work_run+0xfb/0x170
 syscall_exit_to_user_mode+0x29f/0x2b0
 do_syscall_64+0xa1/0x1a0
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f23bfb93ae7
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:generic_shutdown_super+0x290/0x2a0
Code: e8 15 7c f7 ff 48 8b 5d 28 48 89 df e8 09 7c f7 ff 48 8b 0b 48 89 ee 48 8d 95 68 06 00 00 48 c7 c7 80 7f db ac e8 00 69 af ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90
RSP: 0018:ffff88811cc27a50 EFLAGS: 00010246
RAX: 000000000000003e RBX: ffffffffae994420 RCX: 0000000000000027
RDX: 0000000000000000 RSI: ffffffffab06180e RDI: ffff8881f6eb18c8
RBP: ffff8881462ec000 R08: 0000000000000001 R09: ffffed103edd6319
R10: ffff8881f6eb18cb R11: 00000000016d3158 R12: ffff8881462ec9c0
R13: ffff8881462ec050 R14: 0000000000000001 R15: 0000000000000000
FS:  00007f23bfa98740(0000) GS:ffff8881f6e80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8364005d68 CR3: 0000000123c80000 CR4: 0000000000350ef0

This reproduces eventually with an SMB mount and two shells running
these loops concurrently

- while true; do
      cd ~; sleep 1;
      for i in {1..3}; do cd /mnt/test/subdir;
          echo $PWD; sleep 1; cd ..; echo $PWD; sleep 1;
      done;
      echo ...;
  done
- while true; do
      iptables -F OUTPUT; mount -t cifs -a;
      for _ in {0..2}; do ls /mnt/test/subdir/ | wc -l; done;
      iptables -I OUTPUT -p tcp --dport 445 -j DROP;
      sleep 10
      echo "unmounting"; umount -l -t cifs -a; echo "done unmounting";
      sleep 20
      echo "recovering"; iptables -F OUTPUT;
      sleep 10;
  done

Fixes: ebe98f1447 ("cifs: enable caching of directories for which a lease is held")
Fixes: 5c86919455 ("smb: client: fix use-after-free in smb2_query_info_compound()")
Cc: stable@vger.kernel.org
Signed-off-by: Paul Aurich <paul@darkrain42.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
 2024-11-21 10:45:50 -06:00