The clk rate range series needed another week to fully bake. Maxime
fixed the bug that broke clk notifiers and prevented this from being
included in the first pull request. He also added a unit test on top to
make sure it doesn't break so easily again. The majority of the series
fixes up how the clk_set_rate_*() APIs work, particularly around when
the rate constraints are dropped and how they move around when
reparenting clks. Overall it's a much needed improvement to the clk rate
range APIs that used to be pretty broken if you looked sideways.
Beyond the core changes there are a few driver fixes for a compilation
issue or improper data causing clks to fail to register or have the
wrong parents. These are good to get in before the first -rc so that the
system actually boots on the affected devices.
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull more clk updates from Stephen Boyd:
"This is the final part of the clk patches for this merge window.
The clk rate range series needed another week to fully bake. Maxime
fixed the bug that broke clk notifiers and prevented this from being
included in the first pull request. He also added a unit test on top
to make sure it doesn't break so easily again. The majority of the
series fixes up how the clk_set_rate_*() APIs work, particularly
around when the rate constraints are dropped and how they move around
when reparenting clks. Overall it's a much needed improvement to the
clk rate range APIs that used to be pretty broken if you looked
sideways.
Beyond the core changes there are a few driver fixes for a compilation
issue or improper data causing clks to fail to register or have the
wrong parents. These are good to get in before the first -rc so that
the system actually boots on the affected devices"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (31 commits)
clk: tegra: Fix Tegra PWM parent clock
clk: at91: fix the build with binutils 2.27
clk: qcom: gcc-msm8660: Drop hardcoded fixed board clocks
clk: mediatek: clk-mux: Add .determine_rate() callback
clk: tests: Add tests for notifiers
clk: Update req_rate on __clk_recalc_rates()
clk: tests: Add missing test case for ranges
clk: qcom: clk-rcg2: Take clock boundaries into consideration for gfx3d
clk: Introduce the clk_hw_get_rate_range function
clk: Zero the clk_rate_request structure
clk: Stop forwarding clk_rate_requests to the parent
clk: Constify clk_has_parent()
clk: Introduce clk_core_has_parent()
clk: Switch from __clk_determine_rate to clk_core_round_rate_nolock
clk: Add our request boundaries in clk_core_init_rate_req
clk: Introduce clk_hw_init_rate_request()
clk: Move clk_core_init_rate_req() from clk_core_round_rate_nolock() to its caller
clk: Change clk_core_init_rate_req prototype
clk: Set req_rate on reparenting
clk: Take into account uncached clocks in clk_set_rate_range()
...
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Merge tag '6.1-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6
Pull more cifs updates from Steve French:
- fix a regression in guest mounts to old servers
- improvements to directory leasing (caching directory entries safely
beyond the root directory)
- symlink improvement (reducing roundtrips needed to process symlinks)
- an lseek fix (to problem where some dir entries could be skipped)
- improved ioctl for returning more detailed information on directory
change notifications
- clarify multichannel interface query warning
- cleanup fix (for better aligning buffers using ALIGN and round_up)
- a compounding fix
- fix some uninitialized variable bugs found by Coverity and the kernel
test robot
* tag '6.1-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6:
smb3: improve SMB3 change notification support
cifs: lease key is uninitialized in two additional functions when smb1
cifs: lease key is uninitialized in smb1 paths
smb3: must initialize two ACL struct fields to zero
cifs: fix double-fault crash during ntlmssp
cifs: fix static checker warning
cifs: use ALIGN() and round_up() macros
cifs: find and use the dentry for cached non-root directories also
cifs: enable caching of directories for which a lease is held
cifs: prevent copying past input buffer boundaries
cifs: fix uninitialised var in smb2_compound_op()
cifs: improve symlink handling for smb2+
smb3: clarify multichannel warning
cifs: fix regression in very old smb1 mounts
cifs: fix skipping to incorrect offset in emit_cached_dirents
This reverts commit 78e5a33994 ("cpumask: fix checking valid cpu range").
syzbot is hitting WARN_ON_ONCE(cpu >= nr_cpumask_bits) warning at
cpu_max_bits_warn() [1], for commit 78e5a33994 ("cpumask: fix checking
valid cpu range") is broken. Obviously that patch hits WARN_ON_ONCE()
when e.g. reading /proc/cpuinfo because passing "cpu + 1" instead of
"cpu" will trivially hit cpu == nr_cpumask_bits condition.
Although syzbot found this problem in linux-next.git on 2022/09/27 [2],
this problem was not fixed immediately. As a result, that patch was
sent to linux.git before the patch author recognizes this problem, and
syzbot started failing to test changes in linux.git since 2022/10/10
[3].
Andrew Jones proposed a fix for x86 and riscv architectures [4]. But
[2] and [5] indicate that affected locations are not limited to arch
code. More delay before we find and fix affected locations, less tested
kernel (and more difficult to bisect and fix) before release.
We should have inspected and fixed basically all cpumask users before
applying that patch. We should not crash kernels in order to ask
existing cpumask users to update their code, even if limited to
CONFIG_DEBUG_PER_CPU_MAPS=y case.
Link: https://syzkaller.appspot.com/bug?extid=d0fd2bf0dd6da72496dd [1]
Link: https://syzkaller.appspot.com/bug?extid=21da700f3c9f0bc40150 [2]
Link: https://syzkaller.appspot.com/bug?extid=51a652e2d24d53e75734 [3]
Link: https://lkml.kernel.org/r/20221014155845.1986223-1-ajones@ventanamicro.com [4]
Link: https://syzkaller.appspot.com/bug?extid=4d46c43d81c3bd155060 [5]
Reported-by: Andrew Jones <ajones@ventanamicro.com>
Reported-by: syzbot+d0fd2bf0dd6da72496dd@syzkaller.appspotmail.com
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Yury Norov <yury.norov@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'slab-for-6.1-rc1-hotfix' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab hotfix from Vlastimil Babka:
"A single fix for the common-kmalloc series, for warnings on mips and
sparc64 reported by Guenter Roeck"
* tag 'slab-for-6.1-rc1-hotfix' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
mm/slab: use kmalloc_node() for off slab freelist_idx_t array allocation
I have relocated to London so not much work from me while I get settled.
Still, OpenRISC picked up two patches in this window:
- Fix for kernel page table walking from Jann Horn
- MAINTAINER entry cleanup from Palmer Dabbelt
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Merge tag 'for-linus' of https://github.com/openrisc/linux
Pull OpenRISC updates from Stafford Horne:
"I have relocated to London so not much work from me while I get
settled.
Still, OpenRISC picked up two patches in this window:
- Fix for kernel page table walking from Jann Horn
- MAINTAINER entry cleanup from Palmer Dabbelt"
* tag 'for-linus' of https://github.com/openrisc/linux:
MAINTAINERS: git://github -> https://github.com for openrisc
openrisc: Fix pagewalk usage in arch_dma_{clear, set}_uncached
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Merge tag 'pci-v6.1-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci fix from Bjorn Helgaas:
"Revert the attempt to distribute spare resources to unconfigured
hotplug bridges at boot time.
This fixed some dock hot-add scenarios, but Jonathan Cameron reported
that it broke a topology with a multi-function device where one
function was a Switch Upstream Port and the other was an Endpoint"
* tag 'pci-v6.1-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
Revert "PCI: Distribute available resources for root buses, too"
After commit d6a71648db ("mm/slab: kmalloc: pass requests larger than
order-1 page to page allocator"), SLAB passes large ( > PAGE_SIZE * 2)
requests to buddy like SLUB does.
SLAB has been using kmalloc caches to allocate freelist_idx_t array for
off slab caches. But after the commit, freelist_size can be bigger than
KMALLOC_MAX_CACHE_SIZE.
Instead of using pointer to kmalloc cache, use kmalloc_node() and only
check if the kmalloc cache is off slab during calculate_slab_order().
If freelist_size > KMALLOC_MAX_CACHE_SIZE, no looping condition happens
as it allocates freelist_idx_t array directly from buddy.
Link: https://lore.kernel.org/all/20221014205818.GA1428667@roeck-us.net/
Reported-and-tested-by: Guenter Roeck <linux@roeck-us.net>
Fixes: d6a71648db ("mm/slab: kmalloc: pass requests larger than order-1 page to page allocator")
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Github deprecated the git:// links about a year ago, so let's move to
the https:// URLs instead.
Reported-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://github.blog/2021-09-01-improving-git-protocol-security-github/
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Stafford Horne <shorne@gmail.com>
Change notification is a commonly supported feature by most servers,
but the current ioctl to request notification when a directory is
changed does not return the information about what changed
(even though it is returned by the server in the SMB3 change
notify response), it simply returns when there is a change.
This ioctl improves upon CIFS_IOC_NOTIFY by returning the notify
information structure which includes the name of the file(s) that
changed and why. See MS-SMB2 2.2.35 for details on the individual
filter flags and the file_notify_information structure returned.
To use this simply pass in the following (with enough space
to fit at least one file_notify_information structure)
struct __attribute__((__packed__)) smb3_notify {
uint32_t completion_filter;
bool watch_tree;
uint32_t data_len;
uint8_t data[];
} __packed;
using CIFS_IOC_NOTIFY_INFO 0xc009cf0b
or equivalently _IOWR(CIFS_IOCTL_MAGIC, 11, struct smb3_notify_info)
The ioctl will block until the server detects a change to that
directory or its subdirectories (if watch_tree is set).
Acked-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
cifs_open and _cifsFileInfo_put also end up with lease_key uninitialized
in smb1 mounts. It is cleaner to set lease key to zero in these
places where leases are not supported (smb1 can not return lease keys
so the field was uninitialized).
Addresses-Coverity: 1514207 ("Uninitialized scalar variable")
Addresses-Coverity: 1514331 ("Uninitialized scalar variable")
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
It is cleaner to set lease key to zero in the places where leases are not
supported (smb1 can not return lease keys so the field was uninitialized).
Addresses-Coverity: 1513994 ("Uninitialized scalar variable")
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
Coverity spotted that we were not initalizing Stbz1 and Stbz2 to
zero in create_sd_buf.
Addresses-Coverity: 1513848 ("Uninitialized scalar variable")
Cc: <stable@vger.kernel.org>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
The crash occurred because we were calling memzero_explicit() on an
already freed sess_data::iov[1] (ntlmsspblob) in sess_free_buffer().
Fix this by not calling memzero_explicit() on sess_data::iov[1] as
it's already by handled by callers.
Fixes: a4e430c8c8 ("cifs: replace kfree() with kfree_sensitive() for sensitive data")
Reviewed-by: Enzo Matsumiya <ematsumiya@suse.de>
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
- Fix nvdimm namespace creation on platforms that do not publish
associated 'DIMM' metadata for a persistent memory region.
- Miscellaneous fixes and cleanups.
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Merge tag 'libnvdimm-for-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull nvdimm updates from Dan Williams:
"Some small cleanups and fixes in and around the nvdimm subsystem. The
most significant change is a regression fix for nvdimm namespace
(volume) creation when the namespace size is smaller than 2MB/
Summary:
- Fix nvdimm namespace creation on platforms that do not publish
associated 'DIMM' metadata for a persistent memory region.
- Miscellaneous fixes and cleanups"
* tag 'libnvdimm-for-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
ACPI: HMAT: Release platform device in case of platform_device_add_data() fails
dax: Remove usage of the deprecated ida_simple_xxx API
libnvdimm/region: Allow setting align attribute on regions without mappings
nvdimm/namespace: Fix comment typo
nvdimm: make __nvdimm_security_overwrite_query static
nvdimm/region: Fix kernel-doc
nvdimm/namespace: drop unneeded temporary variable in size_store()
nvdimm/namespace: return uuid_null only once in nd_dev_to_uuid()
Drivers:
- switch to devm_clk_get_enabled() where relevant
- cmos: event handler registration fix
- isl12022: code improvements
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Merge tag 'rtc-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"A great rework of the isl12022 driver makes up the bulk of the
changes. There is also an important fix for CMOS and then the usual
small fixes:
- switch to devm_clk_get_enabled() where relevant
- cmos: event handler registration fix
- isl12022: code improvements"
* tag 'rtc-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
rtc: rv3028: Fix codestyle errors
rtc: cmos: Fix event handler registration ordering issue
rtc: k3: Use devm_clk_get_enabled() helper
rtc: jz4740: Use devm_clk_get_enabled() helper
rtc: mpfs: Use devm_clk_get_enabled() helper
rtc: ds1685: Fix spelling of function name in comment block
rtc: isl12022: switch to using regmap API
rtc: isl12022: drop redundant write to HR register
rtc: isl12022: use dev_set_drvdata() instead of i2c_set_clientdata()
rtc: isl12022: use %ptR
rtc: isl12022: simplify some expressions
rtc: isl12022: drop a dev_info()
rtc: isl12022: specify range_min and range_max
rtc: isl12022: stop using deprecated devm_rtc_device_register()
rtc: stmp3xxx: Add failure handling for stmp3xxx_wdt_register()
rtc: mxc: Use devm_clk_get_enabled() helper
rtc: gamecube: Always reset HW_SRNPROT after read
rtc: k3: detect SoC to determine erratum fix
rtc: k3: wait until the unlock field is not zero
rtc: mpfs: Remove printing of stray CR
Subsystem:
- fix device reattach issues
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Merge tag 'i3c/for-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
Pull i3c updates from Alexandre Belloni:
"Not much this cycle, only two fixes for a rare event"
- fix device reattach issues"
* tag 'i3c/for-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
i3c: master: Remove the wrong place of reattach.
i3c: master: Free the old_dyn_addr when reattach.
UBI:
- Use bitmap API to allocate bitmaps
- New attach mode, disable_fm, to attach without fastmap
- Fixes for various typos in comments
UBIFS:
- Fix for a deadlock when setting xattrs for encrypted file
- Fix for an assertion failures when truncating encrypted files
- Fixes for various typos in comments
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Merge tag 'for-linus-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull UBI and UBIFS updates from Richard Weinberger:
"UBI:
- Use bitmap API to allocate bitmaps
- New attach mode, disable_fm, to attach without fastmap
- Fixes for various typos in comments
UBIFS:
- Fix for a deadlock when setting xattrs for encrypted file
- Fix for an assertion failures when truncating encrypted files
- Fixes for various typos in comments"
* tag 'for-linus-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
ubi: fastmap: Add fastmap control support for 'UBI_IOCATT' ioctl
ubi: fastmap: Use the bitmap API to allocate bitmaps
ubifs: Fix AA deadlock when setting xattr for encrypted file
ubifs: Fix UBIFS ro fail due to truncate in the encrypted directory
mtd: ubi: drop unexpected word 'a' in comments
ubi: block: Fix typos in comments
ubi: fastmap: Fix typo in comments
ubi: Fix repeated words in comments
ubi: ubi-media.h: Fix comment typo
ubi: block: Remove in vain semicolon
ubifs: Fix ubifs_check_dir_empty() kernel-doc comment
A last-minute regression fix in the previous asm-generic
branch contained a new regression from a typo.
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Merge tag 'asm-generic-fixes-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic fix from Arnd Bergmann:
"A last-minute arch/alpha regression fix: the previous asm-generic
branch contained a new regression from a typo"
* tag 'asm-generic-fixes-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
alpha: fix marvel_ioread8 build regression
These are three fixes for build warnings that came in during the
merge window.
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Merge tag 'arm-fixes-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"These are three fixes for build warnings that came in during the merge
window"
* tag 'arm-fixes-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: mmp: Make some symbols static
ARM: spear6xx: Staticize few definitions
clk: spear: Move prototype to accessible header
- Various clk rate range fixes
- Drop clk rate range constraints on clk_put() (redux)
* clk-rate-range: (28 commits)
clk: mediatek: clk-mux: Add .determine_rate() callback
clk: tests: Add tests for notifiers
clk: Update req_rate on __clk_recalc_rates()
clk: tests: Add missing test case for ranges
clk: qcom: clk-rcg2: Take clock boundaries into consideration for gfx3d
clk: Introduce the clk_hw_get_rate_range function
clk: Zero the clk_rate_request structure
clk: Stop forwarding clk_rate_requests to the parent
clk: Constify clk_has_parent()
clk: Introduce clk_core_has_parent()
clk: Switch from __clk_determine_rate to clk_core_round_rate_nolock
clk: Add our request boundaries in clk_core_init_rate_req
clk: Introduce clk_hw_init_rate_request()
clk: Move clk_core_init_rate_req() from clk_core_round_rate_nolock() to its caller
clk: Change clk_core_init_rate_req prototype
clk: Set req_rate on reparenting
clk: Take into account uncached clocks in clk_set_rate_range()
clk: tests: Add some tests for orphan with multiple parents
clk: tests: Add tests for mux with multiple parents
clk: tests: Add tests for single parent mux
...
Commit 8c193f4714 ("pwm: tegra: Optimize period calculation") updated
the period calculation in the Tegra PWM driver and now returns an error
if the period requested is less than minimum period supported. This is
breaking PWM support on various Tegra platforms. For example, on the
Tegra210 Jetson Nano platform this is breaking the PWM fan support and
probing the PWM fan driver now fails ...
pwm-fan pwm-fan: Failed to configure PWM: -22
pwm-fan: probe of pwm-fan failed with error -22
The problem is that the default parent clock for the PWM on Tegra210 is
a 32kHz clock and is unable to support the requested PWM period.
Fix PWM support on Tegra20, Tegra30, Tegra114, Tegra124 and Tegra210 by
updating the parent clock for the PWM to be the PLL_P.
Fixes: 8c193f4714 ("pwm: tegra: Optimize period calculation")
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Robert Eckelmann <longnoserob@gmail.com> # TF101 T20
Tested-by: Antoni Aloy Torrens <aaloytorrens@gmail.com> # TF101 T20
Tested-by: Svyatoslav Ryhel <clamor95@gmail.com> # TF201 T30
Tested-by: Andreas Westman Dorcsak <hedmoo@yahoo.com> # TF700T T3
Link: https://lore.kernel.org/r/20221010100046.6477-1-jonathanh@nvidia.com
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
There is an issue when build with older versions of binutils 2.27.0,
arch/arm/mach-at91/pm_suspend.S: Assembler messages:
arch/arm/mach-at91/pm_suspend.S:1086: Error: garbage following instruction -- `ldr tmp1,=0x00020010UL'
Use UL() macro to fix the issue in assembly file.
Fixes: 4fd36e4583 ("ARM: at91: pm: add plla disable/enable support for sam9x60")
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Link: https://lore.kernel.org/r/20221012030635.13140-1-wangkefeng.wang@huawei.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
These two clocks are now registered in the device tree as fixed clocks,
causing a regression in the driver as the clock already exists with
e.g. the name "pxo_board" as the MSM8660 GCC driver probes.
Fix this by just not hard-coding this anymore and everything works
like a charm.
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Fixes: baecbda529 ("ARM: dts: qcom: msm8660: fix node names for fixed clocks")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20221013140745.7801-1-linus.walleij@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Since commit 262ca38f4b ("clk: Stop forwarding clk_rate_requests
to the parent"), the clk_rate_request is .. as the title says, not
forwarded anymore to the parent: this produces an issue with the
MediaTek clock MUX driver during GPU DVFS on MT8195, but not on
MT8192 or others.
This is because, differently from others, like MT8192 where all of
the clocks in the MFG parents tree are of mtk_mux type, but in the
parent tree of MT8195's MFG clock, we have one mtk_mux clock and
one (clk framework generic) mux clock, like so:
names: mfg_bg3d -> mfg_ck_fast_ref -> top_mfg_core_tmp (or) mfgpll
types: mtk_gate -> mux -> mtk_mux (or) mtk_pll
To solve this issue and also keep the GPU DVFS clocks code working
as expected, wire up a .determine_rate() callback for the mtk_mux
ops; for that, the standard clk_mux_determine_rate_flags() was used
as it was possible to.
This commit was successfully tested on MT6795 Xperia M5, MT8173 Elm,
MT8192 Spherion and MT8195 Tomato; no regressions were seen.
For the sake of some more documentation about this issue here's the
trace of it:
[ 12.211587] ------------[ cut here ]------------
[ 12.211589] WARNING: CPU: 6 PID: 78 at drivers/clk/clk.c:1462 clk_core_init_rate_req+0x84/0x90
[ 12.211593] Modules linked in: stp crct10dif_ce mtk_adsp_common llc rfkill snd_sof_xtensa_dsp
panfrost(+) sbs_battery cros_ec_lid_angle cros_ec_sensors snd_sof_of
cros_ec_sensors_core hid_multitouch cros_usbpd_logger snd_sof gpu_sched
snd_sof_utils fuse ipv6
[ 12.211614] CPU: 6 PID: 78 Comm: kworker/u16:2 Tainted: G W 6.0.0-next-20221011+ #58
[ 12.211616] Hardware name: Acer Tomato (rev2) board (DT)
[ 12.211617] Workqueue: devfreq_wq devfreq_monitor
[ 12.211620] pstate: 40400009 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 12.211622] pc : clk_core_init_rate_req+0x84/0x90
[ 12.211625] lr : clk_core_forward_rate_req+0xa4/0xe4
[ 12.211627] sp : ffff80000893b8e0
[ 12.211628] x29: ffff80000893b8e0 x28: ffffdddf92f9b000 x27: ffff46a2c0e8bc05
[ 12.211632] x26: ffff46a2c1041200 x25: 0000000000000000 x24: 00000000173eed80
[ 12.211636] x23: ffff80000893b9c0 x22: ffff80000893b940 x21: 0000000000000000
[ 12.211641] x20: ffff46a2c1039f00 x19: ffff46a2c1039f00 x18: 0000000000000000
[ 12.211645] x17: 0000000000000038 x16: 000000000000d904 x15: 0000000000000003
[ 12.211649] x14: ffffdddf9357ce48 x13: ffffdddf935e71c8 x12: 000000000004803c
[ 12.211653] x11: 00000000a867d7ad x10: 00000000a867d7ad x9 : ffffdddf90c28df4
[ 12.211657] x8 : ffffdddf9357a980 x7 : 0000000000000000 x6 : 0000000000000004
[ 12.211661] x5 : ffffffffffffffc8 x4 : 00000000173eed80 x3 : ffff80000893b940
[ 12.211665] x2 : 00000000173eed80 x1 : ffff80000893b940 x0 : 0000000000000000
[ 12.211669] Call trace:
[ 12.211670] clk_core_init_rate_req+0x84/0x90
[ 12.211673] clk_core_round_rate_nolock+0xe8/0x10c
[ 12.211675] clk_mux_determine_rate_flags+0x174/0x1f0
[ 12.211677] clk_mux_determine_rate+0x1c/0x30
[ 12.211680] clk_core_determine_round_nolock+0x74/0x130
[ 12.211682] clk_core_round_rate_nolock+0x58/0x10c
[ 12.211684] clk_core_round_rate_nolock+0xf4/0x10c
[ 12.211686] clk_core_set_rate_nolock+0x194/0x2ac
[ 12.211688] clk_set_rate+0x40/0x94
[ 12.211691] _opp_config_clk_single+0x38/0xa0
[ 12.211693] _set_opp+0x1b0/0x500
[ 12.211695] dev_pm_opp_set_rate+0x120/0x290
[ 12.211697] panfrost_devfreq_target+0x3c/0x50 [panfrost]
[ 12.211705] devfreq_set_target+0x8c/0x2d0
[ 12.211707] devfreq_update_target+0xcc/0xf4
[ 12.211708] devfreq_monitor+0x40/0x1d0
[ 12.211710] process_one_work+0x294/0x664
[ 12.211712] worker_thread+0x7c/0x45c
[ 12.211713] kthread+0x104/0x110
[ 12.211716] ret_from_fork+0x10/0x20
[ 12.211718] irq event stamp: 7102
[ 12.211719] hardirqs last enabled at (7101): [<ffffdddf904ea5a0>] finish_task_switch.isra.0+0xec/0x2f0
[ 12.211723] hardirqs last disabled at (7102): [<ffffdddf91794b74>] el1_dbg+0x24/0x90
[ 12.211726] softirqs last enabled at (6716): [<ffffdddf90410be4>] __do_softirq+0x414/0x588
[ 12.211728] softirqs last disabled at (6507): [<ffffdddf904171d8>] ____do_softirq+0x18/0x24
[ 12.211730] ---[ end trace 0000000000000000 ]---
Fixes: 262ca38f4b ("clk: Stop forwarding clk_rate_requests to the parent")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221011135548.318323-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Here are a few remaining patches for 6.1-rc1. The major changes
are the hibernation fixes for HD-audio CS35L41 codec and the
USB-audio small fixes against the last change. In addition, a
couple of HD-audio regression fixes and a couple of potential
mutex-deadlock fixes with OSS emulation in ALSA core side are seen.
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Merge tag 'sound-fix-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Here are a few remaining patches for 6.1-rc1.
The major changes are the hibernation fixes for HD-audio CS35L41 codec
and the USB-audio small fixes against the last change. In addition, a
couple of HD-audio regression fixes and a couple of potential
mutex-deadlock fixes with OSS emulation in ALSA core side are seen"
* tag 'sound-fix-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda: cs35l41: Support System Suspend
ALSA: hda: cs35l41: Remove suspend/resume hda hooks
ALSA: hda/cs_dsp_ctl: Fix mutex inversion when creating controls
ALSA: hda: hda_cs_dsp_ctl: Ensure pwr_lock is held before reading/writing controls
ALSA: hda: hda_cs_dsp_ctl: Minor clean and redundant code removal
ALSA: oss: Fix potential deadlock at unregistration
ALSA: rawmidi: Drop register_mutex in snd_rawmidi_free()
ALSA: hda/realtek: Add Intel Reference SSID to support headset keys
ALSA: hda/realtek: Add quirk for ASUS GV601R laptop
ALSA: hda/realtek: Correct pin configs for ASUS G533Z
ALSA: usb-audio: Avoid superfluous endpoint setup
ALSA: usb-audio: Correct the return code from snd_usb_endpoint_set_params()
ALSA: usb-audio: Apply mutex around snd_usb_endpoint_set_params()
ALSA: usb-audio: Avoid unnecessary interface change at EP close
ALSA: hda: Update register polling macros
ALSA: hda/realtek: remove ALC289_FIXUP_DUAL_SPK for Dell 5530
that's pretty much it.
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Merge tag 'leds-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED updates from Pavel Machek:
"This is very quiet release for LEDs, pca963 got blinking support and
that's pretty much it"
* tag 'leds-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
leds: pca963: fix misleading indentation
dt-bindings: leds: Document mmc trigger
leds: pca963x: fix blink with hw acceleration
- Various performance optimizations, resulting in a 4%-9% speedup
in the mmtests/config-scheduler-perfpipe micro-benchmark.
- New interface to turn PSI on/off on a per cgroup level.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-psi-2022-10-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull PSI updates from Ingo Molnar:
- Various performance optimizations, resulting in a 4%-9% speedup in
the mmtests/config-scheduler-perfpipe micro-benchmark.
- New interface to turn PSI on/off on a per cgroup level.
* tag 'sched-psi-2022-10-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/psi: Per-cgroup PSI accounting disable/re-enable interface
sched/psi: Cache parent psi_group to speed up group iteration
sched/psi: Consolidate cgroup_psi()
sched/psi: Add PSI_IRQ to track IRQ/SOFTIRQ pressure
sched/psi: Remove NR_ONCPU task accounting
sched/psi: Optimize task switch inside shared cgroups again
sched/psi: Move private helpers to sched/stats.h
sched/psi: Save percpu memory when !psi_cgroups_enabled
sched/psi: Don't create cgroup PSI files when psi_disabled
sched/psi: Fix periodic aggregation shut off
- Cortex-A55 errata workaround (repeat TLBI).
- AMPERE1 added to the Spectre-BHB affected list.
- MTE fix to avoid setting PG_mte_tagged if no tags have been touched on
a page.
- Fixed typo in the SCTLR_EL1.SPINTMASK bit naming (the commit log has
other typos).
- perf: return value check in ali_drw_pmu_probe(),
ALIBABA_UNCORE_DRW_PMU dependency on ACPI.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Cortex-A55 errata workaround (repeat TLBI)
- AMPERE1 added to the Spectre-BHB affected list
- MTE fix to avoid setting PG_mte_tagged if no tags have been touched
on a page
- Fixed typo in the SCTLR_EL1.SPINTMASK bit naming (the commit log has
other typos)
- perf: return value check in ali_drw_pmu_probe(),
ALIBABA_UNCORE_DRW_PMU dependency on ACPI
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Add AMPERE1 to the Spectre-BHB affected list
arm64: mte: Avoid setting PG_mte_tagged if no tags cleared or restored
MAINTAINERS: rectify file entry in ALIBABA PMU DRIVER
drivers/perf: ALIBABA_UNCORE_DRW_PMU should depend on ACPI
drivers/perf: fix return value check in ali_drw_pmu_probe()
arm64: errata: Add Cortex-A55 to the repeat tlbi list
arm64/sysreg: Fix typo in SCTR_EL1.SPINTMASK
refcounting errors in ZONE_DEVICE pages.
- Peter Xu fixes some userfaultfd test harness instability.
- Various other patches in MM, mainly fixes.
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Merge tag 'mm-stable-2022-10-13' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more MM updates from Andrew Morton:
- fix a race which causes page refcounting errors in ZONE_DEVICE pages
(Alistair Popple)
- fix userfaultfd test harness instability (Peter Xu)
- various other patches in MM, mainly fixes
* tag 'mm-stable-2022-10-13' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (29 commits)
highmem: fix kmap_to_page() for kmap_local_page() addresses
mm/page_alloc: fix incorrect PGFREE and PGALLOC for high-order page
mm/selftest: uffd: explain the write missing fault check
mm/hugetlb: use hugetlb_pte_stable in migration race check
mm/hugetlb: fix race condition of uffd missing/minor handling
zram: always expose rw_page
LoongArch: update local TLB if PTE entry exists
mm: use update_mmu_tlb() on the second thread
kasan: fix array-bounds warnings in tests
hmm-tests: add test for migrate_device_range()
nouveau/dmem: evict device private memory during release
nouveau/dmem: refactor nouveau_dmem_fault_copy_one()
mm/migrate_device.c: add migrate_device_range()
mm/migrate_device.c: refactor migrate_vma and migrate_deivce_coherent_page()
mm/memremap.c: take a pgmap reference on page allocation
mm: free device private pages have zero refcount
mm/memory.c: fix race when faulting a device private page
mm/damon: use damon_sz_region() in appropriate place
mm/damon: move sz_damon_region to damon_sz_region
lib/test_meminit: add checks for the allocation functions
...
This reverts commit e96e27fc6f.
Jonathan reported that this commit broke this topology, where all the space
available on bus 02 was assigned to the 02:00.0 bridge window, leaving none
for the e1000 device at 02:00.1:
pci 0000:00:04.0: bridge window [mem 0x10200000-0x103fffff] to [bus 02-04]
pci 0000:02:00.0: bridge window [mem 0x10200000-0x103fffff] to [bus 03-04]
pci 0000:02:00.1: BAR 0: failed to assign [mem size 0x00020000]
e1000 0000:02:00.1: can't ioremap BAR 0: [??? 0x00000000 flags 0x0]
Link: https://lore.kernel.org/r/20221014124553.0000696f@huawei.com
Reported-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
* Convert the PDC console to an early console
* Unbreak mmap() of graphics card memory due to PAGE_SPECIAL pgtable flag
* Reduce the size of the alternative tables
* Align stifb graphics card memory size to 4MB
* Spelling fixes
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Merge tag 'parisc-for-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
"Fixes:
- When we added basic vDSO support in kernel 5.18 we introduced a bug
which prevented a mmap() of graphic card memory. This is because we
used the DMB (data memory break trap bit) page flag as special-bit,
but missed to clear that bit when loading the TLB.
- Graphics card memory size was not correctly aligned
- Spelling fixes (from Colin Ian King)
Enhancements:
- PDC console (which uses firmware calls) now rewritten as early
console
- Reduced size of alternative tables"
* tag 'parisc-for-6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix spelling mistake "mis-match" -> "mismatch" in eisa driver
parisc: Fix userspace graphics card breakage due to pgtable special bit
parisc: fbdev/stifb: Align graphics memory size to 4MB
parisc: Convert PDC console to an early console
parisc: Reduce kernel size by packing alternative tables
- Generate a change uevent on unsolicited device end I/O interrupt for z/VM
unit record devices supported by the vmur driver. This event can be used to
automatically trigger processing of files as they arrive in the z/VM reader.
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Merge tag 's390-6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 updates from Vasily Gorbik:
- Generate a change uevent on unsolicited device end I/O interrupt for
z/VM unit record devices supported by the vmur driver. This event can
be used to automatically trigger processing of files as they arrive
in the z/VM reader.
* tag 's390-6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/vmur: generate uevent on unsolicited device end
s390/vmur: remove unnecessary BUG statement
* A handful of DT updates for the PolarFire SOC.
* A fix to correct the handling of write-only mappings.
* m{vetndor,arcd,imp}id is now in /proc/cpuinfo
* The SiFive L2 cache controller support has been refactored to also
support L3 caches.
There's also a handful of fixes, cleanups and improvements throughout
the tree.
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Merge tag 'riscv-for-linus-6.1-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull more RISC-V updates from Palmer Dabbelt:
- DT updates for the PolarFire SOC
- a fix to correct the handling of write-only mappings
- m{vetndor,arcd,imp}id is now in /proc/cpuinfo
- the SiFive L2 cache controller support has been refactored to also
support L3 caches
- misc fixes, cleanups and improvements throughout the tree
* tag 'riscv-for-linus-6.1-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (42 commits)
MAINTAINERS: add RISC-V's patchwork
RISC-V: Make port I/O string accessors actually work
riscv: enable software resend of irqs
RISC-V: Re-enable counter access from userspace
riscv: vdso: fix NULL deference in vdso_join_timens() when vfork
riscv: Add cache information in AUX vector
soc: sifive: ccache: define the macro for the register shifts
soc: sifive: ccache: use pr_fmt() to remove CCACHE: prefixes
soc: sifive: ccache: reduce printing on init
soc: sifive: ccache: determine the cache level from dts
soc: sifive: ccache: Rename SiFive L2 cache to Composable cache.
dt-bindings: sifive-ccache: change Sifive L2 cache to Composable cache
riscv: check for kernel config option in t-head memory types errata
riscv: use BIT() marco for cpufeature probing
riscv: use BIT() macros in t-head errata init
riscv: drop some idefs from CMO initialization
riscv: cleanup svpbmt cpufeature probing
riscv: Pass -mno-relax only on lld < 15.0.0
RISC-V: Avoid dereferening NULL regs in die()
dt-bindings: riscv: add new riscv,isa strings for emulators
...
- Fix 32-bit syscall wrappers with 64-bit arguments of unaligned register-pairs.
Notably this broke ftruncate64 & pread/write64, which can lead to file corruption.
- Fix lost interrupts when returning to soft-masked context on 64-bit.
- Fix build failure when CONFIG_DTL=n.
Thanks to: Nicholas Piggin, Jason A. Donenfeld, Guenter Roeck, Arnd Bergmann, Sachin Sant.
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Merge tag 'powerpc-6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix 32-bit syscall wrappers with 64-bit arguments of unaligned
register-pairs. Notably this broke ftruncate64 & pread/write64, which
can lead to file corruption.
- Fix lost interrupts when returning to soft-masked context on 64-bit.
- Fix build failure when CONFIG_DTL=n.
Thanks to Nicholas Piggin, Jason A. Donenfeld, Guenter Roeck, Arnd
Bergmann, and Sachin Sant.
* tag 'powerpc-6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/pseries: Fix CONFIG_DTL=n build
powerpc/64s/interrupt: Fix lost interrupts when returning to soft-masked context
powerpc/32: fix syscall wrappers with 64-bit arguments of unaligned register-pairs
After commit 8799c0be89 ("drm/amd/display: Fix vblank refcount in vrr
transition"), a build with CONFIG_DEBUG_FS=n is broken due to a
misplaced brace, along the lines of:
In file included from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_trace.h:39,
from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:41:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: At top level:
./include/drm/drm_atomic.h:864:9: error: expected identifier or ‘(’ before ‘for’
864 | for ((__i) = 0; \
| ^~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:8317:9: note: in expansion of macro ‘for_each_new_crtc_in_state’
8317 | for_each_new_crtc_in_state(state, crtc, new_crtc_state, j)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
Move the brace within the #ifdef so that the file can be built with or
without CONFIG_DEBUG_FS.
Fixes: 8799c0be89 ("drm/amd/display: Fix vblank refcount in vrr transition")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There are several spelling mistakes in kernel error messages. Fix them.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Remove unnecessary NULL check of oparam->cifs_sb when parsing symlink
error response as it's already set by all smb2_open_file() callers and
deferenced earlier.
This fixes below report:
fs/cifs/smb2file.c:126 smb2_open_file()
warn: variable dereferenced before check 'oparms->cifs_sb' (see line 112)
Link: https://lore.kernel.org/r/Y0kt42j2tdpYakRu@kili
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
Commit df24e1783e ("parisc: Add vDSO support") introduced the vDSO
support, for which a _PAGE_SPECIAL page table flag was needed. Since we
wanted to keep every page table entry in 32-bits, this patch re-used the
existing - but yet unused - _PAGE_DMB flag (which triggers a hardware break
if a page is accessed) to store the special bit.
But when graphics card memory is mmapped into userspace, the kernel uses
vm_iomap_memory() which sets the the special flag. So, with the DMB bit
set, every access to the graphics memory now triggered a hardware
exception and segfaulted the userspace program.
Fix this breakage by dropping the DMB bit when writing the page
protection bits to the CPU TLB.
In addition this patch adds a small optimization: if huge pages aren't
configured (which is at least the case for 32-bit kernels), then the
special bit is stored in the hpage (HUGE PAGE) bit instead. That way we
can skip to reset the DMB bit.
Fixes: df24e1783e ("parisc: Add vDSO support")
Cc: <stable@vger.kernel.org> # 5.18+
Signed-off-by: Helge Deller <deller@gmx.de>
Independend of the current graphics resolution, adjust the reported
graphics card memory size to the next 4MB boundary.
This fixes the fbtest program which expects a naturally aligned size.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org>
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Merge tag 'block-6.1-2022-10-13' of git://git.kernel.dk/linux
Pull more block updates from Jens Axboe:
"Fixes that ended up landing later than the initial block pull request.
Nothing really major in here:
- NVMe pull request via Christoph:
- add NVME_QUIRK_BOGUS_NID for Lexar NM760 (Abhijit)
- add NVME_QUIRK_NO_DEEPEST_PS to avoid the deepest sleep state
on ZHITAI TiPro5000 SSDs (Xi Ruoyao)
- fix possible hang caused during ctrl deletion (Sagi Grimberg)
- fix possible hang in live ns resize with ANA access (Sagi
Grimberg)
- Proactively avoid a sign extension issue with the queue flags
(Brian)
- Regression fix for hidden disks (Christoph)
- Update OPAL maintainers entry (Jonathan)
- blk-wbt regression initialization fix (Yu)"
* tag 'block-6.1-2022-10-13' of git://git.kernel.dk/linux:
nvme-multipath: fix possible hang in live ns resize with ANA access
nvme-pci: avoid the deepest sleep state on ZHITAI TiPro5000 SSDs
nvme-pci: add NVME_QUIRK_BOGUS_NID for Lexar NM760
nvme-tcp: fix possible hang caused during ctrl deletion
nvme-rdma: fix possible hang caused during ctrl deletion
block: fix leaking minors of hidden disks
block: avoid sign extend problem with default queue flags mask
blk-wbt: fix that 'rwb->wc' is always set to 1 in wbt_init()
block: Remove the repeat word 'can'
MAINTAINERS: Update SED-Opal Maintainers
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Merge tag 'io_uring-6.1-2022-10-13' of git://git.kernel.dk/linux
Pull more io_uring updates from Jens Axboe:
"A collection of fixes that ended up either being later than the
initial pull, or dependent on multiple branches (6.0-late being one of
them) and hence deferred purposely. This contains:
- Cleanup fixes for the single submitter late 6.0 change, which we
pushed to 6.1 to keep the 6.0 changes small (Dylan, Pavel)
- Fix for IORING_OP_CONNECT not handling -EINPROGRESS correctly (me)
- Ensure that the zc sendmsg variant gets audited correctly (me)
- Regression fix from this merge window where kiocb_end_write()
doesn't always gets called, which can cause issues with fs freezing
(me)
- Registered files SCM handling fix (Pavel)
- Regression fix for big sqe dumping in fdinfo (Pavel)
- Registered buffers accounting fix (Pavel)
- Remove leftover notification structures, we killed them off late in
6.0 (Pavel)
- Minor optimizations (Pavel)
- Cosmetic variable shadowing fix (Stefan)"
* tag 'io_uring-6.1-2022-10-13' of git://git.kernel.dk/linux:
io_uring/rw: ensure kiocb_end_write() is always called
io_uring: fix fdinfo sqe offsets calculation
io_uring: local variable rw shadows outer variable in io_write
io_uring/opdef: remove 'audit_skip' from SENDMSG_ZC
io_uring: optimise locking for local tw with submit_wait
io_uring: remove redundant memory barrier in io_req_local_work_add
io_uring/net: handle -EINPROGRESS correct for IORING_OP_CONNECT
io_uring: remove notif leftovers
io_uring: correct pinned_vm accounting
io_uring/af_unix: defer registered files gc to io_uring release
io_uring: limit registration w/ SINGLE_ISSUER
io_uring: remove io_register_submitter
io_uring: simplify __io_uring_add_tctx_node
The RISC-V patchwork instance on kernel.org has had some necromancy
performed on it & will be used going forward. The statuses that are
intended to be used are:
- New: No action has been taken yet
- Under Review: The maintainer is waiting for review comments from others
- Changes Requested: Either the maintainer or a reviewer requested
changes in the patch. The patch author is expected to submit a new
version
- Superseded: There's a new version of the patch available
- Not Applicable: The patch is not intended for the RISC-V tree
- Accepted: The patch has been applied
- Rejected: The patch has been rejected, with reasons stated in an
email
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20221011160744.2167025-1-conor@kernel.org/
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Compiler warnings：
drivers/rtc/rtc-rv3028.c: In function 'rv3028_param_set':
drivers/rtc/rtc-rv3028.c:559:20: warning: statement will never be executed [-Wswitch-unreachable]
559 | u8 mode;
| ^~~~
drivers/rtc/rtc-rv3028.c: In function 'rv3028_param_get':
drivers/rtc/rtc-rv3028.c:526:21: warning: statement will never be executed [-Wswitch-unreachable]
526 | u32 value;
| ^~~~~
Fix it by moving the variable declaration to the beginning of the function.
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: linux-rtc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Reported-by: k2ci <kernel-bot@kylinos.cn>
Signed-off-by: Ke Sun <sunke@kylinos.cn>
Link: https://lore.kernel.org/r/20221008071321.1799971-1-sunke@kylinos.cn
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Because acpi_install_fixed_event_handler() enables the event
automatically on success, it is incorrect to call it before the
handler routine passed to it is ready to handle events.
Unfortunately, the rtc-cmos driver does exactly the incorrect thing
by calling cmos_wake_setup(), which passes rtc_handler() to
acpi_install_fixed_event_handler(), before cmos_do_probe(), because
rtc_handler() uses dev_get_drvdata() to get to the cmos object
pointer and the driver data pointer is only populated in
cmos_do_probe().
This leads to a NULL pointer dereference in rtc_handler() on boot
if the RTC fixed event happens to be active at the init time.
To address this issue, change the initialization ordering of the
driver so that cmos_wake_setup() is always called after a successful
cmos_do_probe() call.
While at it, change cmos_pnp_probe() to call cmos_do_probe() after
the initial if () statement used for computing the IRQ argument to
be passed to cmos_do_probe() which is cleaner than calling it in
each branch of that if () (local variable "irq" can be of type int,
because it is passed to that function as an argument of type int).
Note that commit 6492fed7d8 ("rtc: rtc-cmos: Do not check
ACPI_FADT_LOW_POWER_S0") caused this issue to affect a larger number
of systems, because previously it only affected systems with
ACPI_FADT_LOW_POWER_S0 set, but it is present regardless of that
commit.
Fixes: 6492fed7d8 ("rtc: rtc-cmos: Do not check ACPI_FADT_LOW_POWER_S0")
Fixes: a474aaedac ("rtc-cmos: move wake setup from ACPI glue into RTC driver")
Link: https://lore.kernel.org/linux-acpi/20221010141630.zfzi7mk7zvnmclzy@techsingularity.net/
Reported-by: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Mel Gorman <mgorman@techsingularity.net>
Link: https://lore.kernel.org/r/5629262.DvuYhMxLoT@kreacher
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Fix port I/O string accessors such as `insb', `outsb', etc. which use
the physical PCI port I/O address rather than the corresponding memory
mapping to get at the requested location, which in turn breaks at least
accesses made by our parport driver to a PCIe parallel port such as:
PCI parallel port detected: 1415:c118, I/O at 0x1000(0x1008), IRQ 20
parport0: PC-style at 0x1000 (0x1008), irq 20, using FIFO [PCSPP,TRISTATE,COMPAT,EPP,ECP]
causing a memory access fault:
Unable to handle kernel access to user memory without uaccess routines at virtual address 0000000000001008
Oops [#1]
Modules linked in:
CPU: 1 PID: 350 Comm: cat Not tainted 6.0.0-rc2-00283-g10d4879f9ef0-dirty #23
Hardware name: SiFive HiFive Unmatched A00 (DT)
epc : parport_pc_fifo_write_block_pio+0x266/0x416
ra : parport_pc_fifo_write_block_pio+0xb4/0x416
epc : ffffffff80542c3e ra : ffffffff80542a8c sp : ffffffd88899fc60
gp : ffffffff80fa2700 tp : ffffffd882b1e900 t0 : ffffffd883d0b000
t1 : ffffffffff000002 t2 : 4646393043330a38 s0 : ffffffd88899fcf0
s1 : 0000000000001000 a0 : 0000000000000010 a1 : 0000000000000000
a2 : ffffffd883d0a010 a3 : 0000000000000023 a4 : 00000000ffff8fbb
a5 : ffffffd883d0a001 a6 : 0000000100000000 a7 : ffffffc800000000
s2 : ffffffffff000002 s3 : ffffffff80d28880 s4 : ffffffff80fa1f50
s5 : 0000000000001008 s6 : 0000000000000008 s7 : ffffffd883d0a000
s8 : 0004000000000000 s9 : ffffffff80dc1d80 s10: ffffffd8807e4000
s11: 0000000000000000 t3 : 00000000000000ff t4 : 393044410a303930
t5 : 0000000000001000 t6 : 0000000000040000
status: 0000000200000120 badaddr: 0000000000001008 cause: 000000000000000f
[<ffffffff80543212>] parport_pc_compat_write_block_pio+0xfe/0x200
[<ffffffff8053bbc0>] parport_write+0x46/0xf8
[<ffffffff8050530e>] lp_write+0x158/0x2d2
[<ffffffff80185716>] vfs_write+0x8e/0x2c2
[<ffffffff80185a74>] ksys_write+0x52/0xc2
[<ffffffff80185af2>] sys_write+0xe/0x16
[<ffffffff80003770>] ret_from_syscall+0x0/0x2
---[ end trace 0000000000000000 ]---
For simplicity address the problem by adding PCI_IOBASE to the physical
address requested in the respective wrapper macros only, observing that
the raw accessors such as `__insb', `__outsb', etc. are not supposed to
be used other than by said macros. Remove the cast to `long' that is no
longer needed on `addr' now that it is used as an offset from PCI_IOBASE
and add parentheses around `addr' needed for predictable evaluation in
macro expansion. No need to make said adjustments in separate changes
given that current code is gravely broken and does not ever work.
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Fixes: fab957c11e ("RISC-V: Atomic and Locking Code")
Cc: stable@vger.kernel.org # v4.15+
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/alpine.DEB.2.21.2209220223080.29493@angie.orcam.me.uk
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
I'm merging this in as a single commit as it's a dependency for some
other work.
* commit '3baca1a4d490484fcd555413f1fec85b2e071912':
RISC-V: Add mvendorid, marchid, and mimpid to /proc/cpuinfo output
