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Author SHA1 Message Date
Mauro Carvalho Chehab
5fb94e9ca3 docs: Fix some broken references 
As we move stuff around, some doc references are broken. Fix some of
them via this script:
	./scripts/documentation-file-ref-check --fix

Manually checked if the produced result is valid, removing a few
false-positives.

Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Coly Li <colyli@suse.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
 2018-06-15 18:10:01 -03:00
Mauro Carvalho Chehab
ec15872daa docs: fix broken references with multiple hints 
The script:
	./scripts/documentation-file-ref-check --fix

Gives multiple hints for broken references on some files.
Manually use the one that applies for some files.

Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Acked-by: James Morris <james.morris@microsoft.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
 2018-06-15 18:10:01 -03:00
Linus Torvalds
2f6e24d315 sound fixes for 4.18-rc1 
Here is a collection of small fixes on top of the previous update.
 All small and obvious fixes.  Mostly for usual suspects, USB-audio and
 HD-audio, but a few trivial error handling fixes for misc drivers as
 well.
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Merge tag 'sound-fix-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Here is a collection of small fixes on top of the previous update.

  All small and obvious fixes. Mostly for usual suspects, USB-audio and
  HD-audio, but a few trivial error handling fixes for misc drivers as
  well"

* tag 'sound-fix-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: usb-audio: Always create the interrupt pipe for the mixer
  ALSA: usb-audio: Add insertion control for UAC3 BADD
  ALSA: usb-audio: Change in connectors control creation interface
  ALSA: usb-audio: Add bi-directional terminal types
  ALSA: lx6464es: add error handling for pci_ioremap_bar
  ALSA: sonicvibes: add error handling for snd_ctl_add
  ALSA: usb-audio: Remove explicitly listed Mytek devices
  ALSA: usb-audio: Generic DSD detection for XMOS-based implementations
  ALSA: usb-audio: Add native DSD support for Mytek DACs
  ALSA: hda/realtek - Add shutup hint
  ALSA: usb-audio: Disable the quirk for Nura headset
  ALSA: hda: add dock and led support for HP ProBook 640 G4
  ALSA: hda: add dock and led support for HP EliteBook 830 G5
  ALSA: emu10k1: add error handling for snd_ctl_add
  ALSA: fm801: add error handling for snd_ctl_add
 2018-06-15 17:24:40 +09:00
Linus Torvalds
b5d903c2d6 Merge branch 'akpm' (patches from Andrew) 
Merge more updates from Andrew Morton:

 - MM remainders

 - various misc things

 - kcov updates

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (27 commits)
  lib/test_printf.c: call wait_for_random_bytes() before plain %p tests
  hexagon: drop the unused variable zero_page_mask
  hexagon: fix printk format warning in setup.c
  mm: fix oom_kill event handling
  treewide: use PHYS_ADDR_MAX to avoid type casting ULLONG_MAX
  mm: use octal not symbolic permissions
  ipc: use new return type vm_fault_t
  sysvipc/sem: mitigate semnum index against spectre v1
  fault-injection: reorder config entries
  arm: port KCOV to arm
  sched/core / kcov: avoid kcov_area during task switch
  kcov: prefault the kcov_area
  kcov: ensure irq code sees a valid area
  kernel/relay.c: change return type to vm_fault_t
  exofs: avoid VLA in structures
  coredump: fix spam with zero VMA process
  fat: use fat_fs_error() instead of BUG_ON() in __fat_get_block()
  proc: skip branch in /proc/*/* lookup
  mremap: remove LATENCY_LIMIT from mremap to reduce the number of TLB shootdowns
  mm/memblock: add missing include <linux/bootmem.h>
  ...
 2018-06-15 08:51:42 +09:00
Roman Gushchin
fe6bdfc8e1 mm: fix oom_kill event handling 
Commit e27be240df53 ("mm: memcg: make sure memory.events is uptodate
when waking pollers") converted most of memcg event counters to
per-memcg atomics, which made them less confusing for a user.  The
"oom_kill" counter remained untouched, so now it behaves differently
than other counters (including "oom").  This adds nothing but confusion.

Let's fix this by adding the MEMCG_OOM_KILL event, and follow the
MEMCG_OOM approach.

This also removes a hack from count_memcg_event_mm(), introduced earlier
specially for the OOM_KILL counter.

[akpm@linux-foundation.org: fix for droppage of memcg-replace-mm-owner-with-mm-memcg.patch]
Link: http://lkml.kernel.org/r/20180508124637.29984-1-guro@fb.com
Signed-off-by: Roman Gushchin <guro@fb.com>
Acked-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2018-06-15 07:55:25 +09:00
Mark Rutland
0ed557aa81 sched/core / kcov: avoid kcov_area during task switch 
During a context switch, we first switch_mm() to the next task's mm,
then switch_to() that new task.  This means that vmalloc'd regions which
had previously been faulted in can transiently disappear in the context
of the prev task.

Functions instrumented by KCOV may try to access a vmalloc'd kcov_area
during this window, and as the fault handling code is instrumented, this
results in a recursive fault.

We must avoid accessing any kcov_area during this window.  We can do so
with a new flag in kcov_mode, set prior to switching the mm, and cleared
once the new task is live.  Since task_struct::kcov_mode isn't always a
specific enum kcov_mode value, this is made an unsigned int.

The manipulation is hidden behind kcov_{prepare,finish}_switch() helpers,
which are empty for !CONFIG_KCOV kernels.

The code uses macros because I can't use static inline functions without a
circular include dependency between <linux/sched.h> and <linux/kcov.h>,
since the definition of task_struct uses things defined in <linux/kcov.h>

Link: http://lkml.kernel.org/r/20180504135535.53744-4-mark.rutland@arm.com
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2018-06-15 07:55:24 +09:00
Shakeel Butt
92ee383f6d mm: fix race between kmem_cache destroy, create and deactivate 
The memcg kmem cache creation and deactivation (SLUB only) is
asynchronous.  If a root kmem cache is destroyed whose memcg cache is in
the process of creation or deactivation, the kernel may crash.

Example of one such crash:
	general protection fault: 0000 [#1] SMP PTI
	CPU: 1 PID: 1721 Comm: kworker/14:1 Not tainted 4.17.0-smp
	...
	Workqueue: memcg_kmem_cache kmemcg_deactivate_workfn
	RIP: 0010:has_cpu_slab
	...
	Call Trace:
	? on_each_cpu_cond
	__kmem_cache_shrink
	kmemcg_cache_deact_after_rcu
	kmemcg_deactivate_workfn
	process_one_work
	worker_thread
	kthread
	ret_from_fork+0x35/0x40

To fix this race, on root kmem cache destruction, mark the cache as
dying and flush the workqueue used for memcg kmem cache creation and
deactivation.  SLUB's memcg kmem cache deactivation also includes RCU
callback and thus make sure all previous registered RCU callbacks have
completed as well.

[shakeelb@google.com: handle the RCU callbacks for SLUB deactivation]
  Link: http://lkml.kernel.org/r/20180611192951.195727-1-shakeelb@google.com
[shakeelb@google.com: add more documentation, rename fields for readability]
  Link: http://lkml.kernel.org/r/20180522201336.196994-1-shakeelb@google.com
[akpm@linux-foundation.org: fix build, per Shakeel]
[shakeelb@google.com: v3.  Instead of refcount, flush the workqueue]
  Link: http://lkml.kernel.org/r/20180530001204.183758-1-shakeelb@google.com
Link: http://lkml.kernel.org/r/20180521174116.171846-1-shakeelb@google.com
Signed-off-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Greg Thelen <gthelen@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2018-06-15 07:55:23 +09:00
Linus Torvalds
7a932516f5 vfs/y2038: inode timestamps conversion to timespec64 
This is a late set of changes from Deepa Dinamani doing an automated
 treewide conversion of the inode and iattr structures from 'timespec'
 to 'timespec64', to push the conversion from the VFS layer into the
 individual file systems.
 
 There were no conflicts between this and the contents of linux-next
 until just before the merge window, when we saw multiple problems:
 
 - A minor conflict with my own y2038 fixes, which I could address
   by adding another patch on top here.
 - One semantic conflict with late changes to the NFS tree. I addressed
   this by merging Deepa's original branch on top of the changes that
   now got merged into mainline and making sure the merge commit includes
   the necessary changes as produced by coccinelle.
 - A trivial conflict against the removal of staging/lustre.
 - Multiple conflicts against the VFS changes in the overlayfs tree.
   These are still part of linux-next, but apparently this is no longer
   intended for 4.18 [1], so I am ignoring that part.
 
 As Deepa writes:
 
   The series aims to switch vfs timestamps to use struct timespec64.
   Currently vfs uses struct timespec, which is not y2038 safe.
 
   The series involves the following:
   1. Add vfs helper functions for supporting struct timepec64 timestamps.
   2. Cast prints of vfs timestamps to avoid warnings after the switch.
   3. Simplify code using vfs timestamps so that the actual
      replacement becomes easy.
   4. Convert vfs timestamps to use struct timespec64 using a script.
      This is a flag day patch.
 
   Next steps:
   1. Convert APIs that can handle timespec64, instead of converting
      timestamps at the boundaries.
   2. Update internal data structures to avoid timestamp conversions.
 
 Thomas Gleixner adds:
 
   I think there is no point to drag that out for the next merge window.
   The whole thing needs to be done in one go for the core changes which
   means that you're going to play that catchup game forever. Let's get
   over with it towards the end of the merge window.
 
 [1] https://www.spinics.net/lists/linux-fsdevel/msg128294.html
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Merge tag 'vfs-timespec64' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground

Pull inode timestamps conversion to timespec64 from Arnd Bergmann:
 "This is a late set of changes from Deepa Dinamani doing an automated
  treewide conversion of the inode and iattr structures from 'timespec'
  to 'timespec64', to push the conversion from the VFS layer into the
  individual file systems.

  As Deepa writes:

   'The series aims to switch vfs timestamps to use struct timespec64.
    Currently vfs uses struct timespec, which is not y2038 safe.

    The series involves the following:
    1. Add vfs helper functions for supporting struct timepec64
       timestamps.
    2. Cast prints of vfs timestamps to avoid warnings after the switch.
    3. Simplify code using vfs timestamps so that the actual replacement
       becomes easy.
    4. Convert vfs timestamps to use struct timespec64 using a script.
       This is a flag day patch.

    Next steps:
    1. Convert APIs that can handle timespec64, instead of converting
       timestamps at the boundaries.
    2. Update internal data structures to avoid timestamp conversions'

  Thomas Gleixner adds:

   'I think there is no point to drag that out for the next merge
    window. The whole thing needs to be done in one go for the core
    changes which means that you're going to play that catchup game
    forever. Let's get over with it towards the end of the merge window'"

* tag 'vfs-timespec64' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground:
  pstore: Remove bogus format string definition
  vfs: change inode times to use struct timespec64
  pstore: Convert internal records to timespec64
  udf: Simplify calls to udf_disk_stamp_to_time
  fs: nfs: get rid of memcpys for inode times
  ceph: make inode time prints to be long long
  lustre: Use long long type to print inode time
  fs: add timespec64_truncate()
 2018-06-15 07:31:07 +09:00
Linus Torvalds
dc594c39f7 The main piece is a set of libceph changes that revamps how OSD 
requests are aborted, improving CephFS ENOSPC handling and making
 "umount -f" actually work (Zheng and myself).  The rest is mostly
 mount option handling cleanups from Chengguang and assorted fixes
 from Zheng, Luis and Dongsheng.
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Merge tag 'ceph-for-4.18-rc1' of git://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:
 "The main piece is a set of libceph changes that revamps how OSD
  requests are aborted, improving CephFS ENOSPC handling and making
  "umount -f" actually work (Zheng and myself).

  The rest is mostly mount option handling cleanups from Chengguang and
  assorted fixes from Zheng, Luis and Dongsheng.

* tag 'ceph-for-4.18-rc1' of git://github.com/ceph/ceph-client: (31 commits)
  rbd: flush rbd_dev->watch_dwork after watch is unregistered
  ceph: update description of some mount options
  ceph: show ino32 if the value is different with default
  ceph: strengthen rsize/wsize/readdir_max_bytes validation
  ceph: fix alignment of rasize
  ceph: fix use-after-free in ceph_statfs()
  ceph: prevent i_version from going back
  ceph: fix wrong check for the case of updating link count
  libceph: allocate the locator string with GFP_NOFAIL
  libceph: make abort_on_full a per-osdc setting
  libceph: don't abort reads in ceph_osdc_abort_on_full()
  libceph: avoid a use-after-free during map check
  libceph: don't warn if req->r_abort_on_full is set
  libceph: use for_each_request() in ceph_osdc_abort_on_full()
  libceph: defer __complete_request() to a workqueue
  libceph: move more code into __complete_request()
  libceph: no need to call flush_workqueue() before destruction
  ceph: flush pending works before shutdown super
  ceph: abort osd requests on force umount
  libceph: introduce ceph_osdc_abort_requests()
  ...
 2018-06-15 07:24:58 +09:00
Jorge Sanjuan
2dd5aa15d9 ALSA: usb-audio: Add bi-directional terminal types 
Define the bi-directional USB terminal types for audio devices.

Signed-off-by: Jorge Sanjuan <jorge.sanjuan@codethink.co.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
 2018-06-14 18:03:21 +02:00
Arnd Bergmann
15eefe2a99 Merge branch 'vfs_timespec64' of https://github.com/deepa-hub/vfs into vfs-timespec64 
Pull the timespec64 conversion from Deepa Dinamani:
 "The series aims to switch vfs timestamps to use
  struct timespec64. Currently vfs uses struct timespec,
  which is not y2038 safe.

  The flag patch applies cleanly. I've not seen the timestamps
  update logic change often. The series applies cleanly on 4.17-rc6
  and linux-next tip (top commit: next-20180517).

  I'm not sure how to merge this kind of a series with a flag patch.
  We are targeting 4.18 for this.
  Let me know if you have other suggestions.

  The series involves the following:
  1. Add vfs helper functions for supporting struct timepec64 timestamps.
  2. Cast prints of vfs timestamps to avoid warnings after the switch.
  3. Simplify code using vfs timestamps so that the actual
     replacement becomes easy.
  4. Convert vfs timestamps to use struct timespec64 using a script.
     This is a flag day patch.

  I've tried to keep the conversions with the script simple, to
  aid in the reviews. I've kept all the internal filesystem data
  structures and function signatures the same.

  Next steps:
  1. Convert APIs that can handle timespec64, instead of converting
     timestamps at the boundaries.
  2. Update internal data structures to avoid timestamp conversions."

I've pulled it into a branch based on top of the NFS changes that
are now in mainline, so I could resolve the non-obvious conflict
between the two while merging.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2018-06-14 14:54:00 +02:00
Linus Torvalds
f3b5020e16 platform-drivers-x86 for v4.18-1 
Several incremental improvements including new keycodes, new models, new
 quirks, and related documentation. Adds LED platform driver activation
 for Mellanox systems.  Some minor optimizations and cleanups. Includes
 several bug fixes, message silencing, mostly minor.
 
 The following commits were previously merged during the 4.17 RC cycle:
  - 06b8b00b33 platform/x86: asus-wireless: Fix NULL pointer dereference
  - 6ed66c3ce0 platform/x86: Kconfig: Fix dell-laptop dependency chain.
  - 74783c99bf platform/x86: DELL_WMI use depends on instead of select for DELL_SMBIOS
  - cf48bf9eee platform/x86: asus-wmi: Fix NULL pointer dereference
 
 The following is an automated git shortlog grouped by driver:
 
 acer-wmi:
  -  add another KEY_POWER keycode
 
 apple-gmux:
  -  fix gmux_get_client_id()'s return type
 
 asus-laptop:
  -  Simplify getting .drvdata
 
 asus-wireless:
  -  Fix format specifier
 
 dell-laptop:
  -  Fix keyboard backlight timeout on XPS 13 9370
 
 dell-smbios:
  -  Match on www.dell.com in OEM strings too
 
 dell-wmi:
  -  Ignore new rfkill and fn-lock events
  -  Set correct keycode for Fn + left arrow
 
 fujitsu-laptop:
  -  Simplify soft key handling
 
 ideapad-laptop:
  -  Add E42-80 to no_hw_rfkill
  -  Add fn-lock setting
  -  Add MIIX 720-12IKB to no_hw_rfkill
 
 lib/string_helpers:
  -  Add missed declaration of struct task_struct
 
 intel_scu_ipc:
  -  Replace mdelay with usleep_range in intel_scu_ipc_i2c_cntrl
 
 mlx-platform:
  -  Add LED platform driver activation
 
 platform/mellanox:
  -  Add new ODM system types to mlx-platform
  -  mlxreg-hotplug: add extra cycle for hotplug work queue
  -  mlxreg-hotplug: Document fixes for hotplug private data
 
 platform_data/mlxreg:
  -  Document fixes for hotplug device
 
 silead_dmi:
  -  Add entry for Chuwi Hi8 tablet touchscreen
  -  Add touchscreen info for the Onda V891w tablet
  -  Add info for the PoV mobii TAB-P800W (v2.0)
  -  Add touchscreen info for the Jumper EZpad 6 Pro
 
 thinkpad_acpi:
  -  silence false-positive-prone pr_warn
  -  do not report thermal sensor state for tablet mode switch
  -  silence HKEY 0x6032, 0x60f0, 0x6030
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Merge tag 'platform-drivers-x86-v4.18-1' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform driver updates from Darren Hart:
 "Several incremental improvements including new keycodes, new models,
  new quirks, and related documentation. Adds LED platform driver
  activation for Mellanox systems. Some minor optimizations and
  cleanups. Includes several bug fixes, message silencing, mostly minor

  Automated summary:

  acer-wmi:
   -  add another KEY_POWER keycode

  apple-gmux:
   -  fix gmux_get_client_id()'s return type

  asus-laptop:
   -  Simplify getting .drvdata

  asus-wireless:
   -  Fix format specifier

  dell-laptop:
   -  Fix keyboard backlight timeout on XPS 13 9370

  dell-smbios:
   -  Match on www.dell.com in OEM strings too

  dell-wmi:
   -  Ignore new rfkill and fn-lock events
   -  Set correct keycode for Fn + left arrow

  fujitsu-laptop:
   -  Simplify soft key handling

  ideapad-laptop:
   -  Add E42-80 to no_hw_rfkill
   -  Add fn-lock setting
   -  Add MIIX 720-12IKB to no_hw_rfkill

  lib/string_helpers:
   -  Add missed declaration of struct task_struct

  intel_scu_ipc:
   -  Replace mdelay with usleep_range in intel_scu_ipc_i2c_cntrl

  mlx-platform:
   -  Add LED platform driver activation

  platform/mellanox:
   -  Add new ODM system types to mlx-platform
   -  mlxreg-hotplug: add extra cycle for hotplug work queue
   -  mlxreg-hotplug: Document fixes for hotplug private data

  platform_data/mlxreg:
   -  Document fixes for hotplug device

  silead_dmi:
   -  Add entry for Chuwi Hi8 tablet touchscreen
   -  Add touchscreen info for the Onda V891w tablet
   -  Add info for the PoV mobii TAB-P800W (v2.0)
   -  Add touchscreen info for the Jumper EZpad 6 Pro

  thinkpad_acpi:
   -  silence false-positive-prone pr_warn
   -  do not report thermal sensor state for tablet mode switch
   -  silence HKEY 0x6032, 0x60f0, 0x6030"

* tag 'platform-drivers-x86-v4.18-1' of git://git.infradead.org/linux-platform-drivers-x86: (30 commits)
  platform/x86: silead_dmi: Add entry for Chuwi Hi8 tablet touchscreen
  platform/x86: dell-laptop: Fix keyboard backlight timeout on XPS 13 9370
  platform/x86: dell-wmi: Ignore new rfkill and fn-lock events
  platform/x86: mlx-platform: Add LED platform driver activation
  platform/mellanox: Add new ODM system types to mlx-platform
  platform/mellanox: mlxreg-hotplug: add extra cycle for hotplug work queue
  platform/x86: ideapad-laptop: Add E42-80 to no_hw_rfkill
  platform/x86: silead_dmi: Add touchscreen info for the Onda V891w tablet
  platform/x86: silead_dmi: Add info for the PoV mobii TAB-P800W (v2.0)
  platform/x86: silead_dmi: Add touchscreen info for the Jumper EZpad 6 Pro
  platform/x86: asus-wireless: Fix format specifier
  platform/x86: asus-wmi: Fix NULL pointer dereference
  platform/x86: dell-wmi: Set correct keycode for Fn + left arrow
  platform/x86: acer-wmi: add another KEY_POWER keycode
  platform/x86: ideapad-laptop: Add fn-lock setting
  platform/x86: ideapad-laptop: Add MIIX 720-12IKB to no_hw_rfkill
  lib/string_helpers: Add missed declaration of struct task_struct
  platform/x86: DELL_WMI use depends on instead of select for DELL_SMBIOS
  platform/mellanox: mlxreg-hotplug: Document fixes for hotplug private data
  platform_data/mlxreg: Document fixes for hotplug device
  ...
 2018-06-14 16:30:30 +09:00
Linus Torvalds
9bca19a01d Merge branch 'i2c/for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 
Pull i2c updates from Wolfram Sang:

 - mainly feature additions to drivers (stm32f7, qup, xlp9xx, mlxcpld, ...)

 - conversion to use the i2c_8bit_addr_from_msg macro consistently

 - move includes to platform_data

 - core updates to allow the (still in review) I3C subsystem to connect

 - and the regular share of smaller driver updates

* 'i2c/for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (68 commits)
  i2c: qup: fix building without CONFIG_ACPI
  i2c: tegra: Remove suspend-resume
  i2c: imx-lpi2c: Switch to SPDX identifier
  i2c: mxs: Switch to SPDX identifier
  i2c: busses: make use of i2c_8bit_addr_from_msg
  i2c: algos: make use of i2c_8bit_addr_from_msg
  i2c: rcar: document R8A77980 bindings
  i2c: qup: Add command-line parameter to override SCL frequency
  i2c: qup: Correct duty cycle for FM and FM+
  i2c: qup: Add support for Fast Mode Plus
  i2c: qup: add probe path for Centriq ACPI devices
  i2c: robotfuzz-osif: drop pointless test
  i2c: robotfuzz-osif: remove pointless local variable
  i2c: rk3x: Don't print visible virtual mapping MMIO address
  i2c: opal: don't check number of messages in the driver
  i2c: ibm_iic: don't check number of messages in the driver
  i2c: imx: Switch to SPDX identifier
  i2c: mux: pca954x: merge calls to of_match_device and of_device_get_match_data
  i2c: mux: demux-pinctrl: use proper parent device for demux adapter
  i2c: mux: improve error message for failed symlink
  ...
 2018-06-14 16:21:46 +09:00
Linus Torvalds
050e9baa9d Kbuild: rename CC_STACKPROTECTOR[_STRONG] config variables 
The changes to automatically test for working stack protector compiler
support in the Kconfig files removed the special STACKPROTECTOR_AUTO
option that picked the strongest stack protector that the compiler
supported.

That was all a nice cleanup - it makes no sense to have the AUTO case
now that the Kconfig phase can just determine the compiler support
directly.

HOWEVER.

It also meant that doing "make oldconfig" would now _disable_ the strong
stackprotector if you had AUTO enabled, because in a legacy config file,
the sane stack protector configuration would look like

  CONFIG_HAVE_CC_STACKPROTECTOR=y
  # CONFIG_CC_STACKPROTECTOR_NONE is not set
  # CONFIG_CC_STACKPROTECTOR_REGULAR is not set
  # CONFIG_CC_STACKPROTECTOR_STRONG is not set
  CONFIG_CC_STACKPROTECTOR_AUTO=y

and when you ran this through "make oldconfig" with the Kbuild changes,
it would ask you about the regular CONFIG_CC_STACKPROTECTOR (that had
been renamed from CONFIG_CC_STACKPROTECTOR_REGULAR to just
CONFIG_CC_STACKPROTECTOR), but it would think that the STRONG version
used to be disabled (because it was really enabled by AUTO), and would
disable it in the new config, resulting in:

  CONFIG_HAVE_CC_STACKPROTECTOR=y
  CONFIG_CC_HAS_STACKPROTECTOR_NONE=y
  CONFIG_CC_STACKPROTECTOR=y
  # CONFIG_CC_STACKPROTECTOR_STRONG is not set
  CONFIG_CC_HAS_SANE_STACKPROTECTOR=y

That's dangerously subtle - people could suddenly find themselves with
the weaker stack protector setup without even realizing.

The solution here is to just rename not just the old RECULAR stack
protector option, but also the strong one.  This does that by just
removing the CC_ prefix entirely for the user choices, because it really
is not about the compiler support (the compiler support now instead
automatially impacts _visibility_ of the options to users).

This results in "make oldconfig" actually asking the user for their
choice, so that we don't have any silent subtle security model changes.
The end result would generally look like this:

  CONFIG_HAVE_CC_STACKPROTECTOR=y
  CONFIG_CC_HAS_STACKPROTECTOR_NONE=y
  CONFIG_STACKPROTECTOR=y
  CONFIG_STACKPROTECTOR_STRONG=y
  CONFIG_CC_HAS_SANE_STACKPROTECTOR=y

where the "CC_" versions really are about internal compiler
infrastructure, not the user selections.

Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2018-06-14 12:21:18 +09:00
Linus Torvalds
be779f03d5 Kbuild updates for v4.18 (2nd) 
- fix some bugs introduced by the recent Kconfig syntax extension
 
  - add some symbols about compiler information in Kconfig, such as
    CC_IS_GCC, CC_IS_CLANG, GCC_VERSION, etc.
 
  - test compiler capability for the stack protector in Kconfig, and
    clean-up Makefile
 
  - test compiler capability for GCC-plugins in Kconfig, and clean-up
    Makefile
 
  - allow to enable GCC-plugins for COMPILE_TEST
 
  - test compiler capability for KCOV in Kconfig and correct dependency
 
  - remove auto-detect mode of the GCOV format, which is now more nicely
    handled in Kconfig
 
  - test compiler capability for mprofile-kernel on PowerPC, and
    clean-up Makefile
 
  - misc cleanups
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Merge tag 'kbuild-v4.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull more Kbuild updates from Masahiro Yamada:

 - fix some bugs introduced by the recent Kconfig syntax extension

 - add some symbols about compiler information in Kconfig, such as
   CC_IS_GCC, CC_IS_CLANG, GCC_VERSION, etc.

 - test compiler capability for the stack protector in Kconfig, and
   clean-up Makefile

 - test compiler capability for GCC-plugins in Kconfig, and clean-up
   Makefile

 - allow to enable GCC-plugins for COMPILE_TEST

 - test compiler capability for KCOV in Kconfig and correct dependency

 - remove auto-detect mode of the GCOV format, which is now more nicely
   handled in Kconfig

 - test compiler capability for mprofile-kernel on PowerPC, and clean-up
   Makefile

 - misc cleanups

* tag 'kbuild-v4.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  linux/linkage.h: replace VMLINUX_SYMBOL_STR() with __stringify()
  kconfig: fix localmodconfig
  sh: remove no-op macro VMLINUX_SYMBOL()
  powerpc/kbuild: move -mprofile-kernel check to Kconfig
  Documentation: kconfig: add recommended way to describe compiler support
  gcc-plugins: disable GCC_PLUGIN_STRUCTLEAK_BYREF_ALL for COMPILE_TEST
  gcc-plugins: allow to enable GCC_PLUGINS for COMPILE_TEST
  gcc-plugins: test plugin support in Kconfig and clean up Makefile
  gcc-plugins: move GCC version check for PowerPC to Kconfig
  kcov: test compiler capability in Kconfig and correct dependency
  gcov: remove CONFIG_GCOV_FORMAT_AUTODETECT
  arm64: move GCC version check for ARCH_SUPPORTS_INT128 to Kconfig
  kconfig: add CC_IS_CLANG and CLANG_VERSION
  kconfig: add CC_IS_GCC and GCC_VERSION
  stack-protector: test compiler capability in Kconfig and drop AUTO mode
  kbuild: fix endless syncconfig in case arch Makefile sets CROSS_COMPILE
 2018-06-13 08:40:34 -07:00
Linus Torvalds
d290ef9305 Additional ACPI updates for 4.18-rc1 
- Update the ACPICA code in the kernel to upstream revision
    20180531 including:
    * AML parser fix to continue loading tables after detecting an AML
      error (Erik Schmauss).
    * AML parser debug option to dump parse trees (Bob Moore).
    * Debugger updates (Bob Moore).
    * Initial bits of Unload () operator deprecation (Bob Moore).
    * Updates related to the IORT table (Robin Murphy).
 
  - Make Linux respond to the "Windows 2017.2" _OSI string which
    allows native Thunderbolt enumeration to be used on Dell systems
    and was unsafe before recent changes in the PCI subsystem (Mario
    Limonciello).
 
  - Update the ACPI method customization feature documentation (Erik
    Schmauss).
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Merge tag 'acpi-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull additional ACPI updates from Rafael Wysocki:
 "These update the ACPICA code in the kernel to upstream revision
  20180531 including one important AML parser fix and updates related to
  the IORT table, make the kernel recognize the "Windows 2017.2" _OSI
  string and update the customized methods documentation.

  Specifics:

   - Update the ACPICA code in the kernel to upstream revision 20180531
     including:
      * AML parser fix to continue loading tables after detecting an AML
        error (Erik Schmauss).
      * AML parser debug option to dump parse trees (Bob Moore).
      * Debugger updates (Bob Moore).
      * Initial bits of Unload () operator deprecation (Bob Moore).
      * Updates related to the IORT table (Robin Murphy).

   - Make Linux respond to the "Windows 2017.2" _OSI string which
     allows native Thunderbolt enumeration to be used on Dell systems
     and was unsafe before recent changes in the PCI subsystem (Mario
     Limonciello)

   - Update the ACPI method customization feature documentation (Erik
     Schmauss)"

* tag 'acpi-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPICA: Recognize the _OSI string "Windows 2017.2"
  ACPICA: Update version to 20180531
  ACPICA: Interpreter: Begin deprecation of Unload operator
  ACPICA: AML parser: attempt to continue loading table after error
  ACPICA: Debugger: Reduce verbosity for module-level code errors.
  ACPICA: AML Parser: Add debug option to dump parse trees
  ACPICA: Debugger: Add count of namespace nodes after namespace dump
  ACPICA: IORT: Add PMCG node supprt
  ACPICA: IORT: Update for revision D
  ACPI / Documentation: update ACPI customize method feature docs
 2018-06-13 07:32:10 -07:00
Linus Torvalds
d09fcecb0c Additional power management updates for 4.18-rc1 
- Revert a recent PM core change that attempted to fix an issue
    related to device links, but introduced a regression (Rafael
    Wysocki).
 
  - Fix build when the recently added cpufreq driver for Kryo
    processors is selected by making it possible to build that
    driver as a module (Arnd Bergmann).
 
  - Fix the long idle detection mechanism in the out-of-band
    (ondemand and conservative) cpufreq governors (Chen Yu).
 
  - Add support for devices in multiple power domains to the
    generic power domains (genpd) framework (Ulf Hansson).
 
  - Add support for iowait boosting on systems with hardware-managed
    P-states (HWP) enabled to the intel_pstate driver and make it use
    that feature on systems with Skylake Xeon processors as it is
    reported to improve performance significantly on those systems
    (Srinivas Pandruvada).
 
  - Fix and update the acpi_cpufreq, ti-cpufreq and imx6q cpufreq
    drivers (Colin Ian King, Suman Anna, Sébastien Szymanski).
 
  - Change the behavior of the wakeup_count device attribute in
    sysfs to expose the number of events when the device might have
    aborted system suspend in progress (Ravi Chandra Sadineni).
 
  - Fix two minor issues in the cpupower utility (Abhishek Goel,
    Colin Ian King).
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Merge tag 'pm-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These revert a recent PM core change that introduced a regression, fix
  the build when the recently added Kryo cpufreq driver is selected, add
  support for devices attached to multiple power domains to the generic
  power domains (genpd) framework, add support for iowait boosting on
  systens with hardware-managed P-states (HWP) enabled to the
  intel_pstate driver, modify the behavior of the wakeup_count device
  attribute in sysfs, fix a few issues and clean up some ugliness,
  mostly in cpufreq (core and drivers) and in the cpupower utility.

  Specifics:

   - Revert a recent PM core change that attempted to fix an issue
     related to device links, but introduced a regression (Rafael
     Wysocki)

   - Fix build when the recently added cpufreq driver for Kryo
     processors is selected by making it possible to build that driver
     as a module (Arnd Bergmann)

   - Fix the long idle detection mechanism in the out-of-band (ondemand
     and conservative) cpufreq governors (Chen Yu)

   - Add support for devices in multiple power domains to the generic
     power domains (genpd) framework (Ulf Hansson)

   - Add support for iowait boosting on systems with hardware-managed
     P-states (HWP) enabled to the intel_pstate driver and make it use
     that feature on systems with Skylake Xeon processors as it is
     reported to improve performance significantly on those systems
     (Srinivas Pandruvada)

   - Fix and update the acpi_cpufreq, ti-cpufreq and imx6q cpufreq
     drivers (Colin Ian King, Suman Anna, Sébastien Szymanski)

   - Change the behavior of the wakeup_count device attribute in sysfs
     to expose the number of events when the device might have aborted
     system suspend in progress (Ravi Chandra Sadineni)

   - Fix two minor issues in the cpupower utility (Abhishek Goel, Colin
     Ian King)"

* tag 'pm-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  Revert "PM / runtime: Fixup reference counting of device link suppliers at probe"
  cpufreq: imx6q: check speed grades for i.MX6ULL
  cpufreq: governors: Fix long idle detection logic in load calculation
  cpufreq: intel_pstate: enable boost for Skylake Xeon
  PM / wakeup: Export wakeup_count instead of event_count via sysfs
  PM / Domains: Add dev_pm_domain_attach_by_id() to manage multi PM domains
  PM / Domains: Add support for multi PM domains per device to genpd
  PM / Domains: Split genpd_dev_pm_attach()
  PM / Domains: Don't attach devices in genpd with multi PM domains
  PM / Domains: dt: Allow power-domain property to be a list of specifiers
  cpufreq: intel_pstate: New sysfs entry to control HWP boost
  cpufreq: intel_pstate: HWP boost performance on IO wakeup
  cpufreq: intel_pstate: Add HWP boost utility and sched util hooks
  cpufreq: ti-cpufreq: Use devres managed API in probe()
  cpufreq: ti-cpufreq: Fix an incorrect error return value
  cpufreq: ACPI: make function acpi_cpufreq_fast_switch() static
  cpufreq: kryo: allow building as a loadable module
  cpupower : Fix header name to read idle state name
  cpupower: fix spelling mistake: "logilename" -> "logfilename"
 2018-06-13 07:24:18 -07:00
Rafael J. Wysocki
6a900f884e Merge branches 'pm-domains' and 'pm-tools' 
Additional updates of the generic power domains (genpd) framework
(support for devices attached to multiple domains) and the cpupower
utility (minor fixes) for 4.18-rc1.

* pm-domains:
  PM / Domains: Add dev_pm_domain_attach_by_id() to manage multi PM domains
  PM / Domains: Add support for multi PM domains per device to genpd
  PM / Domains: Split genpd_dev_pm_attach()
  PM / Domains: Don't attach devices in genpd with multi PM domains
  PM / Domains: dt: Allow power-domain property to be a list of specifiers

* pm-tools:
  cpupower : Fix header name to read idle state name
  cpupower: fix spelling mistake: "logilename" -> "logfilename"
 2018-06-13 11:08:44 +02:00
Linus Torvalds
b08fc5277a - Error path bug fix for overflow tests (Dan) 
- Additional struct_size() conversions (Matthew, Kees)
 - Explicitly reported overflow fixes (Silvio, Kees)
 - Add missing kvcalloc() function (Kees)
 - Treewide conversions of allocators to use either 2-factor argument
   variant when available, or array_size() and array3_size() as needed (Kees)
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Merge tag 'overflow-v4.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull more overflow updates from Kees Cook:
 "The rest of the overflow changes for v4.18-rc1.

  This includes the explicit overflow fixes from Silvio, further
  struct_size() conversions from Matthew, and a bug fix from Dan.

  But the bulk of it is the treewide conversions to use either the
  2-factor argument allocators (e.g. kmalloc(a * b, ...) into
  kmalloc_array(a, b, ...) or the array_size() macros (e.g. vmalloc(a *
  b) into vmalloc(array_size(a, b)).

  Coccinelle was fighting me on several fronts, so I've done a bunch of
  manual whitespace updates in the patches as well.

  Summary:

   - Error path bug fix for overflow tests (Dan)

   - Additional struct_size() conversions (Matthew, Kees)

   - Explicitly reported overflow fixes (Silvio, Kees)

   - Add missing kvcalloc() function (Kees)

   - Treewide conversions of allocators to use either 2-factor argument
     variant when available, or array_size() and array3_size() as needed
     (Kees)"

* tag 'overflow-v4.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (26 commits)
  treewide: Use array_size in f2fs_kvzalloc()
  treewide: Use array_size() in f2fs_kzalloc()
  treewide: Use array_size() in f2fs_kmalloc()
  treewide: Use array_size() in sock_kmalloc()
  treewide: Use array_size() in kvzalloc_node()
  treewide: Use array_size() in vzalloc_node()
  treewide: Use array_size() in vzalloc()
  treewide: Use array_size() in vmalloc()
  treewide: devm_kzalloc() -> devm_kcalloc()
  treewide: devm_kmalloc() -> devm_kmalloc_array()
  treewide: kvzalloc() -> kvcalloc()
  treewide: kvmalloc() -> kvmalloc_array()
  treewide: kzalloc_node() -> kcalloc_node()
  treewide: kzalloc() -> kcalloc()
  treewide: kmalloc() -> kmalloc_array()
  mm: Introduce kvcalloc()
  video: uvesafb: Fix integer overflow in allocation
  UBIFS: Fix potential integer overflow in allocation
  leds: Use struct_size() in allocation
  Convert intel uncore to struct_size
  ...
 2018-06-12 18:28:00 -07:00
Kees Cook
1c542f38ab mm: Introduce kvcalloc() 
The kv*alloc()-family was missing kvcalloc(). Adding this allows for
2-argument multiplication conversions of kvzalloc(a * b, ...) into
kvcalloc(a, b, ...).

Signed-off-by: Kees Cook <keescook@chromium.org>
 2018-06-12 16:19:22 -07:00
Matthew Wilcox
7654cb1ba7 Convert infiniband uverbs to struct_size 
The flows were hidden from the C compiler; expose them as a zero-length
array to allow struct_size to work.

Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
 2018-06-12 16:19:22 -07:00
Linus Torvalds
98db5e5503 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 
Pull thermal updates from Zhang Rui:
 "Thermal core and intel thermal drivers:

   - convert thermal sysfs attributes to use DEVICE_ATTR_{RO|RW|WO}()
     variants (Viresh Kumar)

   - update license to SPDX format (Lina Iyer)

   - add GeminiLake support for int340x processor_thermal driver (Sumeet
     Pawnikar)

   - prevent error in reading trip hysteresis attribute for int340x
     thermal driver (Srinivas Pandruvada)"

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
  thermal: int340x: processor_thermal: Add GeminiLake support
  drivers: thermal: Update license to SPDX format
  thermal: int340x: Prevent error in reading trip hysteresis attribute
  thermal: Use DEVICE_ATTR_{RO|RW|WO}() variants
  thermal: Shorten name of sysfs callbacks
 2018-06-12 13:19:38 -07:00
Linus Torvalds
b357bf6023 Small update for KVM. 
* ARM: lazy context-switching of FPSIMD registers on arm64, "split"
 regions for vGIC redistributor
 
 * s390: cleanups for nested, clock handling, crypto, storage keys and
 control register bits
 
 * x86: many bugfixes, implement more Hyper-V super powers,
 implement lapic_timer_advance_ns even when the LAPIC timer
 is emulated using the processor's VMX preemption timer.  Two
 security-related bugfixes at the top of the branch.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM updates from Paolo Bonzini:
 "Small update for KVM:

  ARM:
   - lazy context-switching of FPSIMD registers on arm64
   - "split" regions for vGIC redistributor

  s390:
   - cleanups for nested
   - clock handling
   - crypto
   - storage keys
   - control register bits

  x86:
   - many bugfixes
   - implement more Hyper-V super powers
   - implement lapic_timer_advance_ns even when the LAPIC timer is
     emulated using the processor's VMX preemption timer.
   - two security-related bugfixes at the top of the branch"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (79 commits)
  kvm: fix typo in flag name
  kvm: x86: use correct privilege level for sgdt/sidt/fxsave/fxrstor access
  KVM: x86: pass kvm_vcpu to kvm_read_guest_virt and kvm_write_guest_virt_system
  KVM: x86: introduce linear_{read,write}_system
  kvm: nVMX: Enforce cpl=0 for VMX instructions
  kvm: nVMX: Add support for "VMWRITE to any supported field"
  kvm: nVMX: Restrict VMX capability MSR changes
  KVM: VMX: Optimize tscdeadline timer latency
  KVM: docs: nVMX: Remove known limitations as they do not exist now
  KVM: docs: mmu: KVM support exposing SLAT to guests
  kvm: no need to check return value of debugfs_create functions
  kvm: Make VM ioctl do valloc for some archs
  kvm: Change return type to vm_fault_t
  KVM: docs: mmu: Fix link to NPT presentation from KVM Forum 2008
  kvm: x86: Amend the KVM_GET_SUPPORTED_CPUID API documentation
  KVM: x86: hyperv: declare KVM_CAP_HYPERV_TLBFLUSH capability
  KVM: x86: hyperv: simplistic HVCALL_FLUSH_VIRTUAL_ADDRESS_{LIST,SPACE}_EX implementation
  KVM: x86: hyperv: simplistic HVCALL_FLUSH_VIRTUAL_ADDRESS_{LIST,SPACE} implementation
  KVM: introduce kvm_make_vcpus_request_mask() API
  KVM: x86: hyperv: do rep check for each hypercall separately
  ...
 2018-06-12 11:34:04 -07:00
Linus Torvalds
0725d4e1b8 NFS client updates for Linux 4.18 
Highlights include:
 
 Stable fixes:
 - Fix a 1-byte stack overflow in nfs_idmap_read_and_verify_message
 - Fix a hang due to incorrect error returns in rpcrdma_convert_iovs()
 - Revert an incorrect change to the NFSv4.1 callback channel
 - Fix a bug in the NFSv4.1 sequence error handling
 
 Features and optimisations:
 - Support for piggybacking a LAYOUTGET operation to the OPEN compound
 - RDMA performance enhancements to deal with transport congestion
 - Add proper SPDX tags for NetApp-contributed RDMA source
 - Do not request delegated file attributes (size+change) from the server
 - Optimise away a GETATTR in the lookup revalidate code when doing NFSv4 OPEN
 - Optimise away unnecessary lookups for rename targets
 - Misc performance improvements when freeing NFSv4 delegations
 
 Bugfixes and cleanups:
 - Try to fail quickly if proto=rdma
 - Clean up RDMA receive trace points
 - Fix sillyrename to return the delegation when appropriate
 - Misc attribute revalidation fixes
 - Immediately clear the pNFS layout on a file when the server returns ESTALE
 - Return NFS4ERR_DELAY when delegation/layout recalls fail due to igrab()
 - Fix the client behaviour on NFS4ERR_SEQ_FALSE_RETRY
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Merge tag 'nfs-for-4.18-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client updates from Trond Myklebust:
 "Highlights include:

  Stable fixes:

   - Fix a 1-byte stack overflow in nfs_idmap_read_and_verify_message

   - Fix a hang due to incorrect error returns in rpcrdma_convert_iovs()

   - Revert an incorrect change to the NFSv4.1 callback channel

   - Fix a bug in the NFSv4.1 sequence error handling

  Features and optimisations:

   - Support for piggybacking a LAYOUTGET operation to the OPEN compound

   - RDMA performance enhancements to deal with transport congestion

   - Add proper SPDX tags for NetApp-contributed RDMA source

   - Do not request delegated file attributes (size+change) from the
     server

   - Optimise away a GETATTR in the lookup revalidate code when doing
     NFSv4 OPEN

   - Optimise away unnecessary lookups for rename targets

   - Misc performance improvements when freeing NFSv4 delegations

  Bugfixes and cleanups:

   - Try to fail quickly if proto=rdma

   - Clean up RDMA receive trace points

   - Fix sillyrename to return the delegation when appropriate

   - Misc attribute revalidation fixes

   - Immediately clear the pNFS layout on a file when the server returns
     ESTALE

   - Return NFS4ERR_DELAY when delegation/layout recalls fail due to
     igrab()

   - Fix the client behaviour on NFS4ERR_SEQ_FALSE_RETRY"

* tag 'nfs-for-4.18-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (80 commits)
  skip LAYOUTRETURN if layout is invalid
  NFSv4.1: Fix the client behaviour on NFS4ERR_SEQ_FALSE_RETRY
  NFSv4: Fix a typo in nfs41_sequence_process
  NFSv4: Revert commit 5f83d86cf531d ("NFSv4.x: Fix wraparound issues..")
  NFSv4: Return NFS4ERR_DELAY when a layout recall fails due to igrab()
  NFSv4: Return NFS4ERR_DELAY when a delegation recall fails due to igrab()
  NFSv4.0: Remove transport protocol name from non-UCS client ID
  NFSv4.0: Remove cl_ipaddr from non-UCS client ID
  NFSv4: Fix a compiler warning when CONFIG_NFS_V4_1 is undefined
  NFS: Filter cache invalidation when holding a delegation
  NFS: Ignore NFS_INO_REVAL_FORCED in nfs_check_inode_attributes()
  NFS: Improve caching while holding a delegation
  NFS: Fix attribute revalidation
  NFS: fix up nfs_setattr_update_inode
  NFSv4: Ensure the inode is clean when we set a delegation
  NFSv4: Ignore NFS_INO_REVAL_FORCED in nfs4_proc_access
  NFSv4: Don't ask for delegated attributes when adding a hard link
  NFSv4: Don't ask for delegated attributes when revalidating the inode
  NFS: Pass the inode down to the getattr() callback
  NFSv4: Don't request size+change attribute if they are delegated to us
  ...
 2018-06-12 10:09:03 -07:00
Linus Torvalds
89e255678f A relatively quiet cycle for nfsd. The largest piece is an RDMA update 
from Chuck Lever with new trace points, miscellaneous cleanups, and
 streamlining of the send and receive paths.  Other than that, some
 miscellaneous bugfixes.
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Merge tag 'nfsd-4.18' of git://linux-nfs.org/~bfields/linux

Pull nfsd updates from Bruce Fields:
 "A relatively quiet cycle for nfsd.

  The largest piece is an RDMA update from Chuck Lever with new trace
  points, miscellaneous cleanups, and streamlining of the send and
  receive paths.

  Other than that, some miscellaneous bugfixes"

* tag 'nfsd-4.18' of git://linux-nfs.org/~bfields/linux: (26 commits)
  nfsd: fix error handling in nfs4_set_delegation()
  nfsd: fix potential use-after-free in nfsd4_decode_getdeviceinfo
  Fix 16-byte memory leak in gssp_accept_sec_context_upcall
  svcrdma: Fix incorrect return value/type in svc_rdma_post_recvs
  svcrdma: Remove unused svc_rdma_op_ctxt
  svcrdma: Persistently allocate and DMA-map Send buffers
  svcrdma: Simplify svc_rdma_send()
  svcrdma: Remove post_send_wr
  svcrdma: Don't overrun the SGE array in svc_rdma_send_ctxt
  svcrdma: Introduce svc_rdma_send_ctxt
  svcrdma: Clean up Send SGE accounting
  svcrdma: Refactor svc_rdma_dma_map_buf
  svcrdma: Allocate recv_ctxt's on CPU handling Receives
  svcrdma: Persistently allocate and DMA-map Receive buffers
  svcrdma: Preserve Receive buffer until svc_rdma_sendto
  svcrdma: Simplify svc_rdma_recv_ctxt_put
  svcrdma: Remove sc_rq_depth
  svcrdma: Introduce svc_rdma_recv_ctxt
  svcrdma: Trace key RDMA API events
  svcrdma: Trace key RPC/RDMA protocol events
  ...
 2018-06-12 09:49:33 -07:00
Masahiro Yamada
00979ce4fc linux/linkage.h: replace VMLINUX_SYMBOL_STR() with __stringify() 
With the special case handling for Blackfin and Metag was removed by
commit 94e58e0ac312 ("export.h: remove code for prefixing symbols with
underscore"), VMLINUX_SYMBOL_STR() is now equivalent to __stringify().

Replace the remaining usages in <linux/linkage.h> to prepare for the
entire removal of VMLINUX_SYMBOL_STR().

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
 2018-06-13 00:03:17 +09:00
Michael S. Tsirkin
766d3571d8 kvm: fix typo in flag name 
KVM_X86_DISABLE_EXITS_HTL really refers to exit on halt.
Obviously a typo: should be named KVM_X86_DISABLE_EXITS_HLT.

Fixes: caa057a2cad ("KVM: X86: Provide a capability to disable HLT intercepts")
Cc: stable@vger.kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2018-06-12 15:06:35 +02:00
Rafael J. Wysocki
b06c0b2f08 Revert "PM / runtime: Fixup reference counting of device link suppliers at probe" 
Revert commit 1e8378619841 (PM / runtime: Fixup reference counting of
device link suppliers at probe), as it has introduced a regression
and the condition it was designed to address should be covered by the
existing code.

Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2018-06-12 10:24:13 +02:00
Linus Torvalds
8efcf34a26 ARM: SoC: late updates 
This is a branch with a few merge requests that either came in late, or
 took a while longer for us to review and merge than usual and thus cut
 it a bit close to the merge window. We stage them in a separate branch
 and if things look good, we still send them up -- and that's the case
 here.
 
 This is mostly DT additions for Renesas platforms, adding IP block
 descriptions for existing and new SoCs.
 
 There are also some driver updates for Qualcomm platforms for SMEM/QMI
 and GENI, which is their generalized serial protocol interface.
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC late updates from Olof Johansson:
 "This is a branch with a few merge requests that either came in late,
  or took a while longer for us to review and merge than usual and thus
  cut it a bit close to the merge window. We stage them in a separate
  branch and if things look good, we still send them up -- and that's
  the case here.

  This is mostly DT additions for Renesas platforms, adding IP block
  descriptions for existing and new SoCs.

  There are also some driver updates for Qualcomm platforms for SMEM/QMI
  and GENI, which is their generalized serial protocol interface"

* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (186 commits)
  soc: qcom: smem: introduce qcom_smem_virt_to_phys()
  soc: qcom: qmi: fix a buffer sizing bug
  MAINTAINERS: Update pattern for qcom_scm
  soc: Unconditionally include qcom Makefile
  soc: qcom: smem: check sooner in qcom_smem_set_global_partition()
  soc: qcom: smem: fix qcom_smem_set_global_partition()
  soc: qcom: smem: fix off-by-one error in qcom_smem_alloc_private()
  soc: qcom: smem: byte swap values properly
  soc: qcom: smem: return proper type for cached entry functions
  soc: qcom: smem: fix first cache entry calculation
  soc: qcom: cmd-db: Make endian-agnostic
  drivers: qcom: add command DB driver
  arm64: dts: renesas: salvator-common: Add ADV7482 support
  ARM: dts: r8a7740: Add CEU1
  ARM: dts: r8a7740: Add CEU0
  arm64: dts: renesas: salvator-common: enable VIN
  arm64: dts: renesas: r8a77970: add VIN and CSI-2 nodes
  arm64: dts: renesas: r8a77965: add VIN and CSI-2 nodes
  arm64: dts: renesas: r8a7796: add VIN and CSI-2 nodes
  arm64: dts: renesas: r8a7795-es1: add CSI-2 node
  ...
 2018-06-11 18:19:45 -07:00
Linus Torvalds
32bcbf8b6d ARM: SoC driver updates 
This branch contains platform-related driver updates for ARM and ARM64.
 
 Highlights:
  - ARM SCMI (System Control & Management Interface) driver cleanups
  - Hisilicon support for LPC bus w/ ACPI
  - Reset driver updates for several platforms: Uniphier,
  - Rockchip power domain bindings and hardware descriptions for several SoCs.
  - Tegra memory controller reset improvements
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "This contains platform-related driver updates for ARM and ARM64.

  Highlights:

   - ARM SCMI (System Control & Management Interface) driver cleanups

   - Hisilicon support for LPC bus w/ ACPI

   - Reset driver updates for several platforms: Uniphier,

   - Rockchip power domain bindings and hardware descriptions for
     several SoCs.

   - Tegra memory controller reset improvements"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (59 commits)
  ARM: tegra: fix compile-testing PCI host driver
  soc: rockchip: power-domain: add power domain support for px30
  dt-bindings: power: add binding for px30 power domains
  dt-bindings: power: add PX30 SoCs header for power-domain
  soc: rockchip: power-domain: add power domain support for rk3228
  dt-bindings: power: add binding for rk3228 power domains
  dt-bindings: power: add RK3228 SoCs header for power-domain
  soc: rockchip: power-domain: add power domain support for rk3128
  dt-bindings: power: add binding for rk3128 power domains
  dt-bindings: power: add RK3128 SoCs header for power-domain
  soc: rockchip: power-domain: add power domain support for rk3036
  dt-bindings: power: add binding for rk3036 power domains
  dt-bindings: power: add RK3036 SoCs header for power-domain
  dt-bindings: memory: tegra: Remove Tegra114 SATA and AFI reset definitions
  memory: tegra: Remove Tegra114 SATA and AFI reset definitions
  memory: tegra: Register SMMU after MC driver became ready
  soc: mediatek: remove unneeded semicolon
  soc: mediatek: add a fixed wait for SRAM stable
  soc: mediatek: introduce a CAPS flag for scp_domain_data
  soc: mediatek: reuse regmap_read_poll_timeout helpers
  ...
 2018-06-11 18:15:22 -07:00
Linus Torvalds
7c00e8ae04 ARM: SoC platform updates 
Here are the main updates for SoC support (besides DT additions) for ARM
 32- and 64-bit platforms. The branch also contains defconfig updates to
 turn on drivers and options as needed on the various platforms.
 
 The largest parts of the delta are from cleanups moving platform data
 and board file setup of TI platforms to ti-sysc bus drivers. There are
 also some sweeping changes of eeprom and nand setup on Davinci, i.MX
 and other platforms.
 
 Samsung is removing support for Exynos5440, which was an oddball SoC
 that hasn't been seen much use in designs.
 
 Renesas is adding support for new SoCs (R-Car E3, RZ/G1C and RZ/N1D).
 
 Linus Walleij is also removing support for ux500 (Sony Ericsson)
 U8540/9540 SoCs that never made it to significant mass production and
 products.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "Here are the main updates for SoC support (besides DT additions) for
  ARM 32- and 64-bit platforms. The branch also contains defconfig
  updates to turn on drivers and options as needed on the various
  platforms.

  The largest parts of the delta are from cleanups moving platform data
  and board file setup of TI platforms to ti-sysc bus drivers. There are
  also some sweeping changes of eeprom and nand setup on Davinci, i.MX
  and other platforms.

  Samsung is removing support for Exynos5440, which was an oddball SoC
  that hasn't been seen much use in designs.

  Renesas is adding support for new SoCs (R-Car E3, RZ/G1C and RZ/N1D).

  Linus Walleij is also removing support for ux500 (Sony Ericsson)
  U8540/9540 SoCs that never made it to significant mass production and
  products"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (133 commits)
  MAINTAINERS: add NXP linux team maillist as i.MX reviewer
  ARM: stm32: Don't select DMA unconditionally on STM32MP157C
  arm64: defconfig: Enable PCIe on msm8996 and db820c
  ARM: pxa3xx: enable external wakeup pins
  ARM: pxa: stargate2: use device properties for at24 eeprom
  arm64: defconfig: Enable HISILICON_LPC
  arm64: defconfig: enable drivers for Poplar support
  arm64: defconfig: Enable UFS on msm8996
  ARM: berlin: switch to SPDX license identifier
  arm: berlin: remove non-necessary flush_cache_all()
  ARM: berlin: extend BG2CD Kconfig entry
  OMAP: CLK: CLKSRC: Add suspend resume hooks
  ARM: AM43XX: Add functions to save/restore am43xx control registers
  ASoC: ams_delta: use GPIO lookup table
  ARM: OMAP1: ams-delta: add GPIO lookup tables
  bus: ti-sysc: Fix optional clocks array access
  ARM: OMAP2+: Make sure LOGICRETSTATE bits are not cleared
  ARM: OMAP2+: prm44xx: Inroduce cpu_pm notifiers for context save/restore
  ARM: OMAP2+: prm44xx: Introduce context save/restore for am43 PRCM IO
  ARM: OMAP2+: powerdomain: Introduce cpu_pm notifiers for context save/restore
  ...
 2018-06-11 17:49:09 -07:00
Linus Torvalds
f7cca14bce rpmsg updates for v4.18 
This migrates rpmsg to use SPDX license headers and fixes a
 use-after-free in SMD.
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Merge tag 'rpmsg-v4.18' of git://github.com/andersson/remoteproc

Pull rpmsg updates from Bjorn Andersson:
 "This migrates rpmsg to use SPDX license headers and fixes a
  use-after-free in SMD"

* tag 'rpmsg-v4.18' of git://github.com/andersson/remoteproc:
  rpmsg: smd: do not use mananged resources for endpoints and channels
  rpmsg: char: Switch to SPDX license identifier
  rpmsg: glink: Switch to SPDX license identifier
  rpmsg: smd: Switch to SPDX license identifier
  rpmsg: virtio_rpmsg_bus: Switch to SPDX license identifier
  rpmsg: Switch to SPDX license identifier
  rpmsg: qcom_smd: Access APCS through mailbox framework
  rpmsg: Add driver_override device attribute for rpmsg_device
 2018-06-11 12:13:55 -07:00
Linus Torvalds
b70c9d37f6 remoteproc updates for v4.18 
This brings a few minor fixes to the Davinci driver, drops a orphan
 include file from the StE cleanup done ealier and introduces support for
 booting the modem on Qualcomm's SDM845 platform.
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Merge tag 'rproc-v4.18' of git://github.com/andersson/remoteproc

Pull remoteproc updates from Bjorn Andersson:
 "This brings a few minor fixes to the Davinci driver, drops a orphan
  include file from the StE cleanup done ealier and introduces support
  for booting the modem on Qualcomm's SDM845 platform"

* tag 'rproc-v4.18' of git://github.com/andersson/remoteproc:
  remoteproc: q6v5: Allow defining GLINK edge for mss remoteproc
  remoteproc: q6v5: Add support for mss remoteproc on SDM845
  remoteproc: q6v5: Introduce reset assert/deassert helper functions
  dt-bindings: remoteproc: Add Q6v5 Modem PIL binding for SDM845
  remoteproc: q6v5: Move proxy unvote to handover irq handler
  remoteproc: q6v5: Return irq from q6v5_request_irq()
  remoteproc/ste: remove abandoned include file
  remoteproc/davinci: use octal permissions for module_param()
  remoteproc/davinci: prepare and unprepare the clock where needed
  remoteproc/davinci: add the missing retval check for clk_enable()
  remoteproc: Remove depends on HAS_DMA in case of platform dependency
  remoteproc: Prevent incorrect rproc state on xfer mem ownership failure
 2018-06-11 12:11:23 -07:00
Linus Torvalds
6f75edeadd hwspinlock updates for v4.18 
In addition to migrating the files to use SPDX license headers this
 introduces the ability for clients to operate a hwlock without the
 framework taking any additional locks.
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Merge tag 'hwlock-v4.18' of git://github.com/andersson/remoteproc

Pull hwspinlock updates from Bjorn Andersson:
 "In addition to migrating the files to use SPDX license headers this
  introduces the ability for clients to operate a hwlock without the
  framework taking any additional locks"

* tag 'hwlock-v4.18' of git://github.com/andersson/remoteproc:
  hwspinlock/u8500: Switch to SPDX license identifier
  hwspinlock: sprd: Switch to SPDX license identifier
  hwspinlock/sirf: Switch to SPDX license identifier
  hwspinlock: qcom: Switch to SPDX license identifier
  hwspinlock/omap: Switch to SPDX license identifier
  hwspinlock/core: Switch to SPDX license identifier
  hwspinlock: Introduce one new mode for hwspinlock
  hwspinlock: Convert to use 'switch' statement
 2018-06-11 12:09:19 -07:00
Linus Torvalds
d54d35c501 f2fs-for-4.18-rc1 
In this round, we've mainly focused on discard, aka unmap, control along with
 fstrim for Android-specific usage model. In addition, we've fixed writepage flow
 which returned EAGAIN previously resulting in EIO of fsync(2) due to mapping's
 error state. In order to avoid old MM bug [1], we decided not to use __GFP_ZERO
 for the mapping for node and meta page caches. As always, we've cleaned up many
 places for future fsverity and symbol conflicts.
 
 Enhancement:
  - do discard/fstrim in lower priority considering fs utilization
  - split large discard commands into smaller ones for better responsiveness
  - add more sanity checks to address syzbot reports
  - add a mount option, fsync_mode=nobarrier, which can reduce # of cache flushes
  - clean up symbol namespace with modified function names
  - be strict on block allocation and IO control in corner cases
 
 Bug fix:
  - don't use __GFP_ZERO for mappings
  - fix error reports in writepage to avoid fsync() failure
  - avoid selinux denial on CAP_RESOURCE on resgid/resuid
  - fix some subtle race conditions in GC/atomic writes/shutdown
  - fix overflow bugs in sanity_check_raw_super
  - fix missing bits on get_flags
 
 Clean-up:
  - prepare the generic flow for future fsverity integration
  - fix some broken coding standard
 
 [1] https://lkml.org/lkml/2018/4/8/661
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Merge tag 'f2fs-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "In this round, we've mainly focused on discard, aka unmap, control
  along with fstrim for Android-specific usage model. In addition, we've
  fixed writepage flow which returned EAGAIN previously resulting in EIO
  of fsync(2) due to mapping's error state. In order to avoid old MM bug
  [1], we decided not to use __GFP_ZERO for the mapping for node and
  meta page caches. As always, we've cleaned up many places for future
  fsverity and symbol conflicts.

  Enhancements:
   - do discard/fstrim in lower priority considering fs utilization
   - split large discard commands into smaller ones for better responsiveness
   - add more sanity checks to address syzbot reports
   - add a mount option, fsync_mode=nobarrier, which can reduce # of cache flushes
   - clean up symbol namespace with modified function names
   - be strict on block allocation and IO control in corner cases

  Bug fixes:
   - don't use __GFP_ZERO for mappings
   - fix error reports in writepage to avoid fsync() failure
   - avoid selinux denial on CAP_RESOURCE on resgid/resuid
   - fix some subtle race conditions in GC/atomic writes/shutdown
   - fix overflow bugs in sanity_check_raw_super
   - fix missing bits on get_flags

  Clean-ups:
   - prepare the generic flow for future fsverity integration
   - fix some broken coding standard"

[1] https://lkml.org/lkml/2018/4/8/661

* tag 'f2fs-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (79 commits)
  f2fs: fix to clear FI_VOLATILE_FILE correctly
  f2fs: let sync node IO interrupt async one
  f2fs: don't change wbc->sync_mode
  f2fs: fix to update mtime correctly
  fs: f2fs: insert space around that ':' and ', '
  fs: f2fs: add missing blank lines after declarations
  fs: f2fs: changed variable type of offset "unsigned" to "loff_t"
  f2fs: clean up symbol namespace
  f2fs: make set_de_type() static
  f2fs: make __f2fs_write_data_pages() static
  f2fs: fix to avoid accessing cross the boundary
  f2fs: fix to let caller retry allocating block address
  disable loading f2fs module on PAGE_SIZE > 4KB
  f2fs: fix error path of move_data_page
  f2fs: don't drop dentry pages after fs shutdown
  f2fs: fix to avoid race during access gc_thread pointer
  f2fs: clean up with clear_radix_tree_dirty_tag
  f2fs: fix to don't trigger writeback during recovery
  f2fs: clear discard_wake earlier
  f2fs: let discard thread wait a little longer if dev is busy
  ...
 2018-06-11 10:16:13 -07:00
Linus Torvalds
0f105cf4f6 - Core Frameworks 
- Provide helpers to enable/disable backlight
    - Provide standard and devres versions OF find helpers
 
  - New Drivers
    - Add support for the Zodiac Inflight Innovations RAVE Supervisory Processor
 
  - New Functionality
    - Allow pwm-on/pwm-off delay to be specified via DT
 
  - Bug Fixes
    - Fix ordering of the power {en,dis}able and PWM {en,dis}able signals
    - Fix Device Tree node look-up
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Merge tag 'backlight-next-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "Core Frameworks
   - Provide helpers to enable/disable backlight
   - Provide standard and devres versions OF find helpers

  New Drivers:
   - Add support for the Zodiac Inflight Innovations RAVE Supervisory
     Processor

  New Functionality:
   - Allow pwm-on/pwm-off delay to be specified via DT

  Bug Fixes:
   - Fix ordering of the power {en,dis}able and PWM {en,dis}able
     signals
   - Fix Device Tree node look-up"

* tag 'backlight-next-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: as3711_bl: Fix Device Tree node leaks
  backlight: tps65217_bl: Fix Device Tree node lookup
  backlight: max8925_bl: Fix Device Tree node lookup
  backlight: as3711_bl: Fix Device Tree node lookup
  MAINTAINERS: Add dri-devel for backlight subsystem patches
  backlight: Nuke BL_CORE_DRIVER1
  staging: fbtft: Stop using BL_CORE_DRIVER1
  backlight: pandora: Stop using BL_CORE_DRIVER1
  backlight: generic-bl: Remove DRIVER1 state
  backlight: Nuke unused backlight.props.state states
  backlight: otm3225a: Add support for ORISE OTM3225A LCD SoC
  backlight: pwm_bl: Don't use GPIOF_* with gpiod_get_direction
  pwm-backlight: Add support for PWM delays proprieties.
  dt-bindings: pwm-backlight: Add PWM delay proprieties.
  pwm-backlight: Enable/disable the PWM before/after LCD enable toggle.
  dt-bindings: backlight: Add binding for RAVE SP backlight driver
  backlight: Add RAVE SP backlight driver
 2018-06-11 07:23:19 -07:00
Linus Torvalds
883cad5ba8 - New Device Support 
- Add support for AXP813 ADC to AXP20x
    - Add support for PM8005, PM8998 and PMI8998
 
  - New Functionality
    - Add support for Battery Power Supply to AXP813
    - Add support for SYSCON to SPARD SC27XX SPI
    - Add support for RTC to ChromeOS Embedded-Controller
 
  - Fix-ups
    - Remove unused code; exynos{4,5}-pmu, cros_ec, cros_ec_acpi_gpe
    - Remove duplicate error messages (-ENOMEM, etc); htc-i2cpld, janz-cmodio,
 		max8997, rc5t583, sm501, smsc-ece1099, abx500-core, si476x-i2c,
 		ti_am335x_tscadc, tps65090, tps6586x, tps65910, tps80031,
 		twl6030-irq, viperboard
    - Succinctly use ptr to struct in sizeof(); rc5t583, abx500-core, sm501,
 		smsc-ece1099
    - Simplify syntax for NULL ptr checking; abx500-core, sm501
    - No not unnecessarily initialise variables; tps65910, tps65910
    - Reorganise and simplify driver data; omap-usb-tll
    - Move to SPDX license statement; tps68470
    - Probe ADCs via DT; axp20x
    - Use new GPIOD API; arizona-core
    - Constify things; axp20x
    - Reduce code-size (use MACROS, etc); axp20x, omap-usb-host
    - Add DT support/docs; motorola-cpcap
    - Remove VLAs; rave-sp
    - Use devm_* managed resources; cros_ec
    - Interrogate HW for firmware version; rave-sp
    - Provide ACPI support for ChromeOS Embedded-Controller
 
  - Bug Fixes
    - Reorder ordered (enum) device list; tps65218
    - Only accept valid data from the offset; rave-sp
    - Refrain from copying junk from failed SPI read; cros_ec_dev
    - Fix potential memory leaks; pcf50633-core
    - Fix clock initialisation; twl-core
    - Fix build-issue; tps65911
    - Fix off-by-one error; tps65911
    - Fix code ordering issues; intel-lpss
    - Fix COMPILE_TEST related issues; pwm-stm32
    - Fix broken MMC card detection; asic3
    - Fix clocking related issues; intel-lpss-pci
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Merge tag 'mfd-next-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Device Support:
   - Add support for AXP813 ADC to AXP20x
   - Add support for PM8005, PM8998 and PMI8998

  New Functionality:
   - Add support for Battery Power Supply to AXP813
   - Add support for SYSCON to SPARD SC27XX SPI
   - Add support for RTC to ChromeOS Embedded-Controller

  Fix-ups:
   - Remove unused code; exynos{4,5}-pmu, cros_ec, cros_ec_acpi_gpe
   - Remove duplicate error messages (-ENOMEM, etc); htc-i2cpld,
        janz-cmodio, max8997, rc5t583, sm501, smsc-ece1099, abx500-core,
        si476x-i2c, ti_am335x_tscadc, tps65090, tps6586x, tps65910,
        tps80031, twl6030-irq, viperboard
   - Succinctly use ptr to struct in sizeof(); rc5t583, abx500-core,
        sm501, smsc-ece1099
   - Simplify syntax for NULL ptr checking; abx500-core, sm501
   - No not unnecessarily initialise variables; tps65910, tps65910
   - Reorganise and simplify driver data; omap-usb-tll
   - Move to SPDX license statement; tps68470
   - Probe ADCs via DT; axp20x
   - Use new GPIOD API; arizona-core
   - Constify things; axp20x
   - Reduce code-size (use MACROS, etc); axp20x, omap-usb-host
   - Add DT support/docs; motorola-cpcap
   - Remove VLAs; rave-sp
   - Use devm_* managed resources; cros_ec
   - Interrogate HW for firmware version; rave-sp
   - Provide ACPI support for ChromeOS Embedded-Controller

  Bug Fixes:
   - Reorder ordered (enum) device list; tps65218
   - Only accept valid data from the offset; rave-sp
   - Refrain from copying junk from failed SPI read; cros_ec_dev
   - Fix potential memory leaks; pcf50633-core
   - Fix clock initialisation; twl-core
   - Fix build-issue; tps65911
   - Fix off-by-one error; tps65911
   - Fix code ordering issues; intel-lpss
   - Fix COMPILE_TEST related issues; pwm-stm32
   - Fix broken MMC card detection; asic3
   - Fix clocking related issues; intel-lpss-pci"

* tag 'mfd-next-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (84 commits)
  mfd: cros_ec: Remove unused __remove function
  mfd: wm97xx-core: Platform data can be NULL
  mfd: cros_ec_dev: Don't advertise junk features on failure
  mfd: cros_ec: Use devm_kzalloc for private data
  mfd: intel-lpss: Fix Intel Cannon Lake LPSS I2C input clock
  mfd: asic3: Fix broken MMC card detection
  mfd: timberdale: Fix spelling mistake "Uknown" -> "Unknown"
  mfd: omap-usb-host: Use match_string() helper
  mfd: stm32-timers: Fix pwm-stm32 linker issue with COMPILE_TEST
  pwm: stm32: Initialize raw local variables
  mfd: arizona: Update DT doc to support more standard Reset binding
  dt-bindings: mfd: Add bindings for DA9063L
  mfd: intel-lpss: Correct names of RESETS register bits
  mfd: qcom-spmi-pmic: Add support for pm8005, pm8998 and pmi8998
  mfd: intel-lpss: Program REMAP register in PIO mode
  mfd: cros_ec_i2c: Moving the system sleep pm ops to late
  mfd: cros_ec_i2c: Add ACPI module device table
  mfd: cros_ec_dev: Register shutdown function for debugfs
  mfd: cros_ec_dev: Register cros-ec-rtc driver as a subdevice
  mfd: cros_ec: Don't try to grab log when suspended
  ...
 2018-06-11 07:20:17 -07:00
Johan Hovold
d5318d302e backlight: as3711_bl: Fix Device Tree node leaks 
Two framebuffer device-node names were looked up during probe, but were
only used as flags to indicate the presence of two framebuffer device.

Drop the unused framebuffer name along with a likewise unused device
pointer from the driver data, and update the platform data to pass in
booleans instead of the framebuffer strings. This allows us do drop the
node references acquired during probe, which would otherwise leak.

Note that there are no other in-kernel users of the modified
platform-data fields.

Fixes: 59eb2b5e57ea ("drivers/video/backlight/as3711_bl.c: add OF support")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
 2018-06-11 13:40:45 +01:00
Linus Torvalds
f0dc7f9c6d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 
Pull networking fixes from David Miller:

 1) Fix several bpfilter/UMH bugs, in particular make the UMH build not
    depend upon X86 specific Kconfig symbols. From Alexei Starovoitov.

 2) Fix handling of modified context pointer in bpf verifier, from
    Daniel Borkmann.

 3) Kill regression in ifdown/ifup sequences for hv_netvsc driver, from
    Dexuan Cui.

 4) When the bonding primary member name changes, we have to re-evaluate
    the bond->force_primary setting, from Xiangning Yu.

 5) Eliminate possible padding beyone end of SKB in cdc_ncm driver, from
    Bjørn Mork.

 6) RX queue length reported for UDP sockets in procfs and socket diag
    are inaccurate, from Paolo Abeni.

 7) Fix br_fdb_find_port() locking, from Petr Machata.

 8) Limit sk_rcvlowat values properly in TCP, from Soheil Hassas
    Yeganeh.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (23 commits)
  tcp: limit sk_rcvlowat by the maximum receive buffer
  net: phy: dp83822: use BMCR_ANENABLE instead of BMSR_ANEGCAPABLE for DP83620
  socket: close race condition between sock_close() and sockfs_setattr()
  net: bridge: Fix locking in br_fdb_find_port()
  udp: fix rx queue len reported by diag and proc interface
  cdc_ncm: avoid padding beyond end of skb
  net/sched: act_simple: fix parsing of TCA_DEF_DATA
  net: fddi: fix a possible null-ptr-deref
  net: aquantia: fix unsigned numvecs comparison with less than zero
  net: stmmac: fix build failure due to missing COMMON_CLK dependency
  bpfilter: fix race in pipe access
  bpf, xdp: fix crash in xdp_umem_unaccount_pages
  xsk: Fix umem fill/completion queue mmap on 32-bit
  tools/bpf: fix selftest get_cgroup_id_user
  bpfilter: fix OUTPUT_FORMAT
  umh: fix race condition
  net: mscc: ocelot: Fix uninitialized error in ocelot_netdevice_event()
  bonding: re-evaluate force_primary when the primary slave name changes
  ip_tunnel: Fix name string concatenate in __ip_tunnel_create()
  hv_netvsc: Fix a network regression after ifdown/ifup
  ...
 2018-06-10 19:25:23 -07:00
Linus Torvalds
1aaccb5fa0 RTC for 4.18 
Subsystem:
  - rework of the rtc-test driver which allows to test the core more thoroughly
  - rtc_set_alarm() now fails early when alarms are not supported
 
 Drivers:
  - mktime is now replaced by mktime64
  - RTC range added for 88pm80x, ab-b5ze-s3, at91rm9200, brcmstb-waketimer,
    ds1685, ftrtc010, ls1x, mxc_v2, rx8581, sprd, st-lpc, tps6586x, tps65910 and
    vr41xx
  - Fixed a possible race condition in probe functions
  - pxa: fix the probe function that is broken since v4.3
  - stm32: now supports stm32mp1
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Merge tag 'rtc-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "Setting the supported range from drivers for RTCs failing soon has
  started. A few fixes are developed along the way. Some drivers have
  been switched to SPDX by their maintainers.

  Subsystem:

   - rework of the rtc-test driver which allows to test the core more
     thoroughly

   - rtc_set_alarm() now fails early when alarms are not supported

  Drivers:

   - mktime() is now replaced by mktime64()

   - RTC range added for 88pm80x, ab-b5ze-s3, at91rm9200,
     brcmstb-waketimer, ds1685, ftrtc010, ls1x, mxc_v2, rx8581, sprd,
     st-lpc, tps6586x, tps65910 and vr41xx

   - fixed a possible race condition in probe functions

   - pxa: fix the probe function that is broken since v4.3

   - stm32: now supports stm32mp1"

* tag 'rtc-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (78 commits)
  rtc: pxa: fix probe function
  rtc: cros-ec: Switch to SPDX identifier.
  rtc: cros-ec: Make license text and module license match.
  rtc: ensure rtc_set_alarm fails when alarms are not supported
  rtc: test: remove alarm support from the first device
  rtc: test: convert to devm_rtc_allocate_device
  rtc: ftrtc010: let the core handle range
  rtc: ftrtc010: handle dates after 2106
  rtc: ftrtc010: switch to devm_rtc_allocate_device
  rtc: mrst: switch to devm functions
  rtc: sunxi: fix possible race condition
  rtc: test: remove irq sysfs file
  rtc: test: emulate alarms using timers
  rtc: test: store time as an offset to system time
  rtc: test: allow registering many devices
  rtc: test: remove useless proc info
  rtc: ds1685: Add range
  rtc: ds1685: fix possible race condition
  rtc: sprd: Add new RTC power down check method
  rtc: sun6i: Fix bit_idx value for clk_register_gate
  ...
 2018-06-10 16:13:24 -07:00
Linus Torvalds
5f85942c2e SCSI misc on 20180610 
This is mostly updates to the usual drivers: ufs, qedf, mpt3sas, lpfc,
 xfcp, hisi_sas, cxlflash, qla2xxx.  In the absence of Nic, we're also
 taking target updates which are mostly minor except for the tcmu
 refactor. The only real core change to worry about is the removal of
 high page bouncing (in sas, storvsc and iscsi).  This has been well
 tested and no problems have shown up so far.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This is mostly updates to the usual drivers: ufs, qedf, mpt3sas, lpfc,
  xfcp, hisi_sas, cxlflash, qla2xxx.

  In the absence of Nic, we're also taking target updates which are
  mostly minor except for the tcmu refactor.

  The only real core change to worry about is the removal of high page
  bouncing (in sas, storvsc and iscsi). This has been well tested and no
  problems have shown up so far"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (268 commits)
  scsi: lpfc: update driver version to 12.0.0.4
  scsi: lpfc: Fix port initialization failure.
  scsi: lpfc: Fix 16gb hbas failing cq create.
  scsi: lpfc: Fix crash in blk_mq layer when executing modprobe -r lpfc
  scsi: lpfc: correct oversubscription of nvme io requests for an adapter
  scsi: lpfc: Fix MDS diagnostics failure (Rx < Tx)
  scsi: hisi_sas: Mark PHY as in reset for nexus reset
  scsi: hisi_sas: Fix return value when get_free_slot() failed
  scsi: hisi_sas: Terminate STP reject quickly for v2 hw
  scsi: hisi_sas: Add v2 hw force PHY function for internal ATA command
  scsi: hisi_sas: Include TMF elements in struct hisi_sas_slot
  scsi: hisi_sas: Try wait commands before before controller reset
  scsi: hisi_sas: Init disks after controller reset
  scsi: hisi_sas: Create a scsi_host_template per HW module
  scsi: hisi_sas: Reset disks when discovered
  scsi: hisi_sas: Add LED feature for v3 hw
  scsi: hisi_sas: Change common allocation mode of device id
  scsi: hisi_sas: change slot index allocation mode
  scsi: hisi_sas: Introduce hisi_sas_phy_set_linkrate()
  scsi: hisi_sas: fix a typo in hisi_sas_task_prep()
  ...
 2018-06-10 13:01:12 -07:00
Linus Torvalds
d82991a868 Merge branch 'core-rseq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull restartable sequence support from Thomas Gleixner:
 "The restartable sequences syscall (finally):

  After a lot of back and forth discussion and massive delays caused by
  the speculative distraction of maintainers, the core set of
  restartable sequences has finally reached a consensus.

  It comes with the basic non disputed core implementation along with
  support for arm, powerpc and x86 and a full set of selftests

  It was exposed to linux-next earlier this week, so it does not fully
  comply with the merge window requirements, but there is really no
  point to drag it out for yet another cycle"

* 'core-rseq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  rseq/selftests: Provide Makefile, scripts, gitignore
  rseq/selftests: Provide parametrized tests
  rseq/selftests: Provide basic percpu ops test
  rseq/selftests: Provide basic test
  rseq/selftests: Provide rseq library
  selftests/lib.mk: Introduce OVERRIDE_TARGETS
  powerpc: Wire up restartable sequences system call
  powerpc: Add syscall detection for restartable sequences
  powerpc: Add support for restartable sequences
  x86: Wire up restartable sequence system call
  x86: Add support for restartable sequences
  arm: Wire up restartable sequences system call
  arm: Add syscall detection for restartable sequences
  arm: Add restartable sequences support
  rseq: Introduce restartable sequences system call
  uapi/headers: Provide types_32_64.h
 2018-06-10 10:17:09 -07:00
Linus Torvalds
f4e5b30d80 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull x86 updates and fixes from Thomas Gleixner:

 - Fix the (late) fallout from the vector management rework causing
   hlist corruption and irq descriptor reference leaks caused by a
   missing sanity check.

   The straight forward fix triggered another long standing issue to
   surface. The pre rework code hid the issue due to being way slower,
   but now the chance that user space sees an EBUSY error return when
   updating irq affinities is way higher, though quite a bunch of
   userspace tools do not handle it properly despite the fact that EBUSY
   could be returned for at least 10 years.

   It turned out that the EBUSY return can be avoided completely by
   utilizing the existing delayed affinity update mechanism for irq
   remapped scenarios as well. That's a bit more error handling in the
   kernel, but avoids fruitless fingerpointing discussions with tool
   developers.

 - Decouple PHYSICAL_MASK from AMD SME as its going to be required for
   the upcoming Intel memory encryption support as well.

 - Handle legacy device ACPI detection properly for newer platforms

 - Fix the wrong argument ordering in the vector allocation tracepoint

 - Simplify the IDT setup code for the APIC=n case

 - Use the proper string helpers in the MTRR code

 - Remove a stale unused VDSO source file

 - Convert the microcode update lock to a raw spinlock as its used in
   atomic context.

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/intel_rdt: Enable CMT and MBM on new Skylake stepping
  x86/apic/vector: Print APIC control bits in debugfs
  genirq/affinity: Defer affinity setting if irq chip is busy
  x86/platform/uv: Use apic_ack_irq()
  x86/ioapic: Use apic_ack_irq()
  irq_remapping: Use apic_ack_irq()
  x86/apic: Provide apic_ack_irq()
  genirq/migration: Avoid out of line call if pending is not set
  genirq/generic_pending: Do not lose pending affinity update
  x86/apic/vector: Prevent hlist corruption and leaks
  x86/vector: Fix the args of vector_alloc tracepoint
  x86/idt: Simplify the idt_setup_apic_and_irq_gates()
  x86/platform/uv: Remove extra parentheses
  x86/mm: Decouple dynamic __PHYSICAL_MASK from AMD SME
  x86: Mark native_set_p4d() as __always_inline
  x86/microcode: Make the late update update_lock a raw lock for RT
  x86/mtrr: Convert to use strncpy_from_user() helper
  x86/mtrr: Convert to use match_string() helper
  x86/vdso: Remove unused file
  x86/i8237: Register device based on FADT legacy boot flag
 2018-06-10 09:44:53 -07:00
Linus Torvalds
a8a4021b77 Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 
Pull core fixes from Thomas Gleixner:
 "A small set of core updates:

   - Make objtool cope with GCC8 oddities some more

   - Remove a stale local_irq_save/restore sequence in the signal code
     along with the stale comment in the RCU code. The underlying issue
     which led to this has been solved long time ago, but nobody cared
     to cleanup the hackarounds"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  signal: Remove no longer required irqsave/restore
  rcu: Update documentation of rcu_read_unlock()
  objtool: Fix GCC 8 cold subfunction detection for aliased functions
 2018-06-10 08:30:35 -07:00
Mario Limonciello
ad584b46d7 ACPICA: Recognize the _OSI string "Windows 2017.2" 
Dell uses this string to activate Thunderbolt native mode on supported
machines.

Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 2018-06-10 13:19:50 +02:00
Anna-Maria Gleixner
ec84b27f9b rcu: Update documentation of rcu_read_unlock() 
Since commit b4abf91047cf ("rtmutex: Make wait_lock irq safe") the
explanation in rcu_read_unlock() documentation about irq unsafe rtmutex
wait_lock is no longer valid.

Remove it to prevent kernel developers reading the documentation to rely on
it.

Suggested-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: bigeasy@linutronix.de
Link: https://lkml.kernel.org/r/20180525090507.22248-2-anna-maria@linutronix.de
 2018-06-10 06:14:01 +02:00
Linus Torvalds
a16afaf792 power supply and reset changes for the v4.18 series 
* bq27xxx: Add BQ27426 support
 * ab8500: Drop AB8540/9540 support
 * Introduced new usb_type property
 * Properly document the power-supply ABI
 * misc. cleanups and fixes
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Merge tag 'for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 - bq27xxx: Add BQ27426 support
 - ab8500: Drop AB8540/9540 support
 - Introduced new usb_type property
 - Properly document the power-supply ABI
 - misc. cleanups and fixes

* tag 'for-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  MAINTAINERS: add entry for LEGO MINDSTORMS EV3
  power: supply: ab8500_charger: fix spelling mistake: "faile" -> "failed"
  power: supply: axp288_fuel_gauge: Remove polling from the driver
  power: supply: axp288_fuelguage: Do not bind when the fg function is not used
  power: supply: axp288_charger: Do not bind when the charge function is not used
  power: supply: axp288_charger: Support 3500 and 4000 mA input current limit
  power: supply: s3c-adc-battery: fix driver data initialization
  power: supply: charger-manager: Verify polling interval only when polling requested
  power: supply: sysfs: Use enum to specify property
  power: supply: ab8500: Drop AB8540/9540 support
  power: supply: ab8500_fg: fix spelling mistake: "Disharge" -> "Discharge"
  power: supply: simplify getting .drvdata
  power: supply: bq27xxx: Add support for BQ27426
  gpio-poweroff: Use gpiod_set_value_cansleep
 2018-06-09 12:11:09 -07:00
Linus Torvalds
6419945e33 This time we have a good set of changes to the core framework that do some 
general cleanups, but nothing too major. The majority of the diff goes to
 two SoCs, Actions Semi and Qualcomm. A brand new driver is introduced for
 Actions Semi so it takes up some lines to add all the different types, and
 the Qualcomm diff is there because we add support for two SoCs and it's quite
 a bit of data.
 
 Otherwise the big driver updates are on TI Davinci and Amlogic platforms. And
 then the long tail of driver updates for various fixes and stuff follows
 after that.
 
 Core:
  - debugfs cleanups removing error checking and an unused provider API
  - Removal of a clk init typedef that isn't used
  - Usage of match_string() to simplify parent string name matching
  - OF clk helpers moved to their own file (linux/of_clk.h)
  - Make clk warnings more readable across kernel versions
 
 New Drivers:
  - Qualcomm SDM845 GCC and Video clk controllers
  - Qualcomm MSM8998 GCC
  - Actions Semi S900 SoC support
  - Nuvoton npcm750 microcontroller clks
  - Amlogic axg AO clock controller
 
 Removed Drivers:
  - Deprecated Rockchip clk-gate driver
 
 Updates:
  - debugfs functions stopped checking return values
  - Support for the MSIOF module clocks on Rensas R-Car M3-N
  - Support for the new Rensas RZ/G1C and R-Car E3 SoCs
  - Qualcomm GDSC, RCG, and PLL updates for clk changes in new SoCs
  - Berlin and Amlogic SPDX tagging
  - Usage of of_clk_get_parent_count() in more places
  - Proper implementation of the CDEV1/2 clocks on Tegra20
  - Allwinner H6 PRCM clock support and R40 EMAC support
  - Add critical flag to meson8b's fdiv2 as temporary fixup for ethernet
  - Round closest support for meson's mpll driver
  - Support for meson8b nand clocks and gxbb video decoder clocks
  - Mediatek mali clks
  - STM32MP1 fixes
  - Uniphier LD11/LD20 stream demux system clock
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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:
 "This time we have a good set of changes to the core framework that do
  some general cleanups, but nothing too major. The majority of the diff
  goes to two SoCs, Actions Semi and Qualcomm. A brand new driver is
  introduced for Actions Semi so it takes up some lines to add all the
  different types, and the Qualcomm diff is there because we add support
  for two SoCs and it's quite a bit of data.

  Otherwise the big driver updates are on TI Davinci and Amlogic
  platforms. And then the long tail of driver updates for various fixes
  and stuff follows after that.

  Core:
   - debugfs cleanups removing error checking and an unused provider API
   - Removal of a clk init typedef that isn't used
   - Usage of match_string() to simplify parent string name matching
   - OF clk helpers moved to their own file (linux/of_clk.h)
   - Make clk warnings more readable across kernel versions

  New Drivers:
   - Qualcomm SDM845 GCC and Video clk controllers
   - Qualcomm MSM8998 GCC
   - Actions Semi S900 SoC support
   - Nuvoton npcm750 microcontroller clks
   - Amlogic axg AO clock controller

  Removed Drivers:
   - Deprecated Rockchip clk-gate driver

  Updates:
   - debugfs functions stopped checking return values
   - Support for the MSIOF module clocks on Rensas R-Car M3-N
   - Support for the new Rensas RZ/G1C and R-Car E3 SoCs
   - Qualcomm GDSC, RCG, and PLL updates for clk changes in new SoCs
   - Berlin and Amlogic SPDX tagging
   - Usage of of_clk_get_parent_count() in more places
   - Proper implementation of the CDEV1/2 clocks on Tegra20
   - Allwinner H6 PRCM clock support and R40 EMAC support
   - Add critical flag to meson8b's fdiv2 as temporary fixup for ethernet
   - Round closest support for meson's mpll driver
   - Support for meson8b nand clocks and gxbb video decoder clocks
   - Mediatek mali clks
   - STM32MP1 fixes
   - Uniphier LD11/LD20 stream demux system clock"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (134 commits)
  clk: qcom: Export clk_fabia_pll_configure()
  clk: bcm: Update and add Stingray clock entries
  dt-bindings: clk: Update Stingray binding doc
  clk-si544: Properly round requested frequency to nearest match
  clk: ingenic: jz4770: Add 150us delay after enabling VPU clock
  clk: ingenic: jz4770: Enable power of AHB1 bus after ungating VPU clock
  clk: ingenic: jz4770: Modify C1CLK clock to disable CPU clock stop on idle
  clk: ingenic: jz4770: Change OTG from custom to standard gated clock
  clk: ingenic: Support specifying "wait for clock stable" delay
  clk: ingenic: Add support for clocks whose gate bit is inverted
  clk: use match_string() helper
  clk: bcm2835: use match_string() helper
  clk: Return void from debug_init op
  clk: remove clk_debugfs_add_file()
  clk: tegra: no need to check return value of debugfs_create functions
  clk: davinci: no need to check return value of debugfs_create functions
  clk: bcm2835: no need to check return value of debugfs_create functions
  clk: no need to check return value of debugfs_create functions
  clk: imx6: add EPIT clock support
  clk: mvebu: use correct bit for 98DX3236 NAND
  ...
 2018-06-09 12:06:24 -07:00
Linus Torvalds
eafdca4d70 Staging/IIO patches for 4.18-rc1 
Here is the big staging and IIO driver update for 4.18-rc1.
 
 It was delayed as I wanted to make sure the final driver deletions did
 not cause any major merge issues, and all now looks good.
 
 There are a lot of patches here, just over 1000.  The diffstat summary
 shows the major changes here:
 	1007 files changed, 16828 insertions(+), 227770 deletions(-)
 Because of this, we might be close to shrinking the overall kernel
 source code size for two releases in a row.
 
 There was loads of work in this release cycle, primarily:
 	- tons of ks7010 driver cleanups
 	- lots of mt7621 driver fixes and cleanups
 	- most driver cleanups
 	- wilc1000 fixes and cleanups
 	- lots and lots of IIO driver cleanups and new additions
 	- debugfs cleanups for all staging drivers
 	- lots of other staging driver cleanups and fixes, the shortlog
 	  has the full details.
 
 but the big user-visable things here are the removal of 3 chunks of
 code:
 	- ncpfs and ipx were removed on schedule, no one has cared about
 	  this code since it moved to staging last year, and if it needs
 	  to come back, it can be reverted.
 	- lustre file system is removed.  I've ranted at the lustre
 	  developers about once a year for the past 5 years, with no
 	  real forward progress at all to clean things up and get the
 	  code into the "real" part of the kernel.  Given that the
 	  lustre developers continue to work on an external tree and try
 	  to port those changes to the in-kernel tree every once in a
 	  while, this whole thing really really is not working out at
 	  all.  So I'm deleting it so that the developers can spend the
 	  time working in their out-of-tree location and get things
 	  cleaned up properly to get merged into the tree correctly at a
 	  later date.
 
 Because of these file removals, you will have merge issues on some of
 these files (2 in the ipx code, 1 in the ncpfs code, and 1 in the
 atomisp driver).  Just delete those files, it's a simple merge :)
 
 All of this has been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging/IIO updates from Greg KH:
 "Here is the big staging and IIO driver update for 4.18-rc1.

  It was delayed as I wanted to make sure the final driver deletions did
  not cause any major merge issues, and all now looks good.

  There are a lot of patches here, just over 1000. The diffstat summary
  shows the major changes here:

	1007 files changed, 16828 insertions(+), 227770 deletions(-)

  Because of this, we might be close to shrinking the overall kernel
  source code size for two releases in a row.

  There was loads of work in this release cycle, primarily:

   - tons of ks7010 driver cleanups

   - lots of mt7621 driver fixes and cleanups

   - most driver cleanups

   - wilc1000 fixes and cleanups

   - lots and lots of IIO driver cleanups and new additions

   - debugfs cleanups for all staging drivers

   - lots of other staging driver cleanups and fixes, the shortlog has
     the full details.

  but the big user-visable things here are the removal of 3 chunks of
  code:

   - ncpfs and ipx were removed on schedule, no one has cared about this
     code since it moved to staging last year, and if it needs to come
     back, it can be reverted.

   - lustre file system is removed.

     I've ranted at the lustre developers about once a year for the past
     5 years, with no real forward progress at all to clean things up
     and get the code into the "real" part of the kernel.

     Given that the lustre developers continue to work on an external
     tree and try to port those changes to the in-kernel tree every once
     in a while, this whole thing really really is not working out at
     all. So I'm deleting it so that the developers can spend the time
     working in their out-of-tree location and get things cleaned up
     properly to get merged into the tree correctly at a later date.

  Because of these file removals, you will have merge issues on some of
  these files (2 in the ipx code, 1 in the ncpfs code, and 1 in the
  atomisp driver). Just delete those files, it's a simple merge :)

  All of this has been in linux-next for a while with no reported
  problems"

* tag 'staging-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1011 commits)
  staging: ipx: delete it from the tree
  ncpfs: remove uapi .h files
  ncpfs: remove Documentation
  ncpfs: remove compat functionality
  staging: ncpfs: delete it
  staging: lustre: delete the filesystem from the tree.
  staging: vc04_services: no need to save the log debufs dentries
  staging: vc04_services: vchiq_debugfs_log_entry can be a void *
  staging: vc04_services: remove struct vchiq_debugfs_info
  staging: vc04_services: move client dbg directory into static variable
  staging: vc04_services: remove odd vchiq_debugfs_top() wrapper
  staging: vc04_services: no need to check debugfs return values
  staging: mt7621-gpio: reorder includes alphabetically
  staging: mt7621-gpio: change gc_map to don't use pointers
  staging: mt7621-gpio: use GPIOF_DIR_OUT and GPIOF_DIR_IN macros instead of custom values
  staging: mt7621-gpio: change 'to_mediatek_gpio' to make just a one line return
  staging: mt7621-gpio: dt-bindings: update documentation for #interrupt-cells property
  staging: mt7621-gpio: update #interrupt-cells for the gpio node
  staging: mt7621-gpio: dt-bindings: complete documentation for the gpio
  staging: mt7621-dts: add missing properties to gpio node
  ...
 2018-06-09 10:32:39 -07:00
Linus Torvalds
7d3bf613e9 libnvdimm for 4.18 
* DAX broke a fundamental assumption of truncate of file mapped pages.
   The truncate path assumed that it is safe to disconnect a pinned page
   from a file and let the filesystem reclaim the physical block. With DAX
   the page is equivalent to the filesystem block. Introduce
   dax_layout_busy_page() to enable filesystems to wait for pinned DAX
   pages to be released. Without this wait a filesystem could allocate
   blocks under active device-DMA to a new file.
 
 * DAX arranges for the block layer to be bypassed and uses
   dax_direct_access() + copy_to_iter() to satisfy read(2) calls.
   However, the memcpy_mcsafe() facility is available through the pmem
   block driver. In order to safely handle media errors, via the DAX
   block-layer bypass, introduce copy_to_iter_mcsafe().
 
 * Fix cache management policy relative to the ACPI NFIT Platform
   Capabilities Structure to properly elide cache flushes when they are not
   necessary. The table indicates whether CPU caches are power-fail
   protected. Clarify that a deep flush is always performed on
   REQ_{FUA,PREFLUSH} requests.
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Merge tag 'libnvdimm-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm updates from Dan Williams:
 "This adds a user for the new 'bytes-remaining' updates to
  memcpy_mcsafe() that you already received through Ingo via the
  x86-dax- for-linus pull.

  Not included here, but still targeting this cycle, is support for
  handling memory media errors (poison) consumed via userspace dax
  mappings.

  Summary:

   - DAX broke a fundamental assumption of truncate of file mapped
     pages. The truncate path assumed that it is safe to disconnect a
     pinned page from a file and let the filesystem reclaim the physical
     block. With DAX the page is equivalent to the filesystem block.
     Introduce dax_layout_busy_page() to enable filesystems to wait for
     pinned DAX pages to be released. Without this wait a filesystem
     could allocate blocks under active device-DMA to a new file.

   - DAX arranges for the block layer to be bypassed and uses
     dax_direct_access() + copy_to_iter() to satisfy read(2) calls.
     However, the memcpy_mcsafe() facility is available through the pmem
     block driver. In order to safely handle media errors, via the DAX
     block-layer bypass, introduce copy_to_iter_mcsafe().

   - Fix cache management policy relative to the ACPI NFIT Platform
     Capabilities Structure to properly elide cache flushes when they
     are not necessary. The table indicates whether CPU caches are
     power-fail protected. Clarify that a deep flush is always performed
     on REQ_{FUA,PREFLUSH} requests"

* tag 'libnvdimm-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: (21 commits)
  dax: Use dax_write_cache* helpers
  libnvdimm, pmem: Do not flush power-fail protected CPU caches
  libnvdimm, pmem: Unconditionally deep flush on *sync
  libnvdimm, pmem: Complete REQ_FLUSH => REQ_PREFLUSH
  acpi, nfit: Remove ecc_unit_size
  dax: dax_insert_mapping_entry always succeeds
  libnvdimm, e820: Register all pmem resources
  libnvdimm: Debug probe times
  linvdimm, pmem: Preserve read-only setting for pmem devices
  x86, nfit_test: Add unit test for memcpy_mcsafe()
  pmem: Switch to copy_to_iter_mcsafe()
  dax: Report bytes remaining in dax_iomap_actor()
  dax: Introduce a ->copy_to_iter dax operation
  uio, lib: Fix CONFIG_ARCH_HAS_UACCESS_MCSAFE compilation
  xfs, dax: introduce xfs_break_dax_layouts()
  xfs: prepare xfs_break_layouts() for another layout type
  xfs: prepare xfs_break_layouts() to be called with XFS_MMAPLOCK_EXCL
  mm, fs, dax: handle layout changes to pinned dax mappings
  mm: fix __gup_device_huge vs unmap
  mm: introduce MEMORY_DEVICE_FS_DAX and CONFIG_DEV_PAGEMAP_OPS
  ...
 2018-06-08 17:21:52 -07:00