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  1. 08 Sep, 2018 2 commits
  3. 07 Sep, 2018 13 commits
  5. 06 Sep, 2018 15 commits
    • Linus Torvalds's avatar
      Merge tag 'mips_fixes_4.19_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux · 2601dd39
      Linus Torvalds authored 
      Pull MIPS fix from Paul Burton:
 "A single fix for v4.19-rc3, resolving a problem with our VDSO data
  page for systems with dcache aliasing. Those systems could previously
  observe stale data, causing clock_gettime() & gettimeofday() to return
  incorrect values"

* tag 'mips_fixes_4.19_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: VDSO: Match data page cache colouring when D$ aliases
      2601dd39
    • Linus Torvalds's avatar
      Merge tag '4.19-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6 · c6ff25ce
      Linus Torvalds authored 
      Pull cifs fixes from Steve French:
 "Four small SMB3 fixes, three for stable, and one minor debug
  clarification"

* tag '4.19-rc2-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: connect to servername instead of IP for IPC$ share
  smb3: check for and properly advertise directory lease support
  smb3: minor debugging clarifications in rfc1001 len processing
  SMB3: Backup intent flag missing for directory opens with backupuid mounts
  fs/cifs: don't translate SFM_SLASH (U+F026) to backslash
      c6ff25ce
    • Linus Torvalds's avatar
      Merge tag 'for-linus-20180906' of git://git.kernel.dk/linux-block · ca16eb34
      Linus Torvalds authored 
      Pull block fixes from Jens Axboe:
 "Small collection of fixes that should go into this release. This
  contains:

   - Small series that fixes a race between blkcg teardown and writeback
     (Dennis Zhou)

   - Fix disallowing invalid block size settings from the nbd ioctl (me)

   - BFQ fix for a use-after-free on last release of a bfqg (Konstantin
     Khlebnikov)

   - Fix for the "don't warn for flush" fix (Mikulas)"

* tag 'for-linus-20180906' of git://git.kernel.dk/linux-block:
  block: bfq: swap puts in bfqg_and_blkg_put
  block: don't warn when doing fsync on read-only devices
  nbd: don't allow invalid blocksize settings
  blkcg: use tryget logic when associating a blkg with a bio
  blkcg: delay blkg destruction until after writeback has finished
  Revert "blk-throttle: fix race between blkcg_bio_issue_check() and cgroup_rmdir()"
      ca16eb34
    • Shubhrajyoti Datta's avatar
      i2c: xiic: Make the start and the byte count write atomic · ae7304c3
      Shubhrajyoti Datta authored 
      Disable interrupts while configuring the transfer and enable them back.

We have below as the programming sequence
1. start and slave address
2. byte count and stop

In some customer platform there was a lot of interrupts between 1 and 2
and after slave address (around 7 clock cyles) if 2 is not executed
then the transaction is nacked.

To fix this case make the 2 writes atomic.
Signed-off-by: default avatarShubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Signed-off-by: default avatarMichal Simek <michal.simek@xilinx.com>
[wsa: added a newline for better readability]
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
      ae7304c3
    • Konstantin Khlebnikov's avatar
      block: bfq: swap puts in bfqg_and_blkg_put · d5274b3c
      Konstantin Khlebnikov authored 
      Fix trivial use-after-free. This could be last reference to bfqg.

Fixes: 8f9bebc3 ("block, bfq: access and cache blkg data only when safe")
Acked-by: default avatarPaolo Valente <paolo.valente@linaro.org>
Signed-off-by: default avatarKonstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
      d5274b3c
    • Mark Rutland's avatar
      arm64: fix erroneous warnings in page freeing functions · fac880c7
      Mark Rutland authored 
      In pmd_free_pte_page() and pud_free_pmd_page() we try to warn if they
hit a present non-table entry. In both cases we'll warn for non-present
entries, as the VM_WARN_ON() only checks the entry is not a table entry.

This has been observed to result in warnings when booting a v4.19-rc2
kernel under qemu.

Fix this by bailing out earlier for non-present entries.

Fixes: ec28bb9c ("arm64: Implement page table free interfaces")
Signed-off-by: default avatarMark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
      fac880c7
    • Linus Torvalds's avatar
      Merge tag 'apparmor-pr-2018-09-06' of... · db44bf4b
      Linus Torvalds authored 
      Merge tag 'apparmor-pr-2018-09-06' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor

Pull apparmor fix from John Johansen:
 "A fix for an issue syzbot discovered last week:

   - Fix for bad debug check when converting secids to secctx"

* tag 'apparmor-pr-2018-09-06' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor:
  apparmor: fix bad debug check in apparmor_secid_to_secctx()
      db44bf4b
    • Linus Torvalds's avatar
      Merge tag 'trace-v4.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace · be65e259
      Linus Torvalds authored 
      Pull tracing fixes from Steven Rostedt:
 "This fixes two annoying bugs:

   - The first one is a side effect caused by using SRCU for rcuidle
     tracepoints. It seems that the perf was depending on the rcuidle
     tracepoints to make RCU watch when it wasn't.

     The real fix will be to have perf use SRCU instead of depending on
     RCU watching, but that can't be done until SRCU is safe to use in
     NMI context (Paul's working on that).

   - The second bug fix is for a bug that's been periodically making my
     tests fail randomly for some time. I haven't had time to track it
     down, but finally have. It has to do with stressing NMIs (via perf)
     while enabling or disabling ftrace function handling with lockdep
     enabled.

     If an interrupt happens and just as it returns, it sets lockdep
     back to "interrupts enabled" but before it returns an NMI is
     triggered, and if this happens while printk_nmi_enter has a
     breakpoint attached to it (because ftrace is converting it to or
     from nop to call fentry), the breakpoint trap also calls into
     lockdep, and since returning from the NMI to a interrupt handler,
     interrupts were disabled when the NMI went off, lockdep keeps its
     state as interrupts disabled when it returns back from the
     interrupt handler where interrupts are enabled.

     This causes lockdep_assert_irqs_enabled() to trigger a false
     positive"

* tag 'trace-v4.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  printk/tracing: Do not trace printk_nmi_enter()
  tracing: Add back in rcu_irq_enter/exit_irqson() for rcuidle tracepoints
      be65e259
    • Linus Torvalds's avatar
      Merge tag 'for-4.19-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux · 5404525b
      Linus Torvalds authored 
      Pull btrfs fixes from David Sterba:

 - fix for improper fsync after hardlink

 - fix for a corruption during file deduplication

 - use after free fixes

 - RCU warning fix

 - fix for buffered write to nodatacow file

* tag 'for-4.19-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: Fix suspicious RCU usage warning in btrfs_debug_in_rcu
  btrfs: use after free in btrfs_quota_enable
  btrfs: btrfs_shrink_device should call commit transaction at the end
  btrfs: fix qgroup_free wrong num_bytes in btrfs_subvolume_reserve_metadata
  Btrfs: fix data corruption when deduplicating between different files
  Btrfs: sync log after logging new name
  Btrfs: fix unexpected failure of nocow buffered writes after snapshotting when low on space
      5404525b
    • Steven Rostedt (VMware)'s avatar
      printk/tracing: Do not trace printk_nmi_enter() · d1c392c9
      Steven Rostedt (VMware) authored 
      I hit the following splat in my tests:

------------[ cut here ]------------
IRQs not enabled as expected
WARNING: CPU: 3 PID: 0 at kernel/time/tick-sched.c:982 tick_nohz_idle_enter+0x44/0x8c
Modules linked in: ip6t_REJECT nf_reject_ipv6 ip6table_filter ip6_tables ipv6
CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.19.0-rc2-test+ #2
Hardware name: MSI MS-7823/CSM-H87M-G43 (MS-7823), BIOS V1.6 02/22/2014
EIP: tick_nohz_idle_enter+0x44/0x8c
Code: ec 05 00 00 00 75 26 83 b8 c0 05 00 00 00 75 1d 80 3d d0 36 3e c1 00
75 14 68 94 63 12 c1 c6 05 d0 36 3e c1 01 e8 04 ee f8 ff <0f> 0b 58 fa bb a0
e5 66 c1 e8 25 0f 04 00 64 03 1d 28 31 52 c1 8b
EAX: 0000001c EBX: f26e7f8c ECX: 00000006 EDX: 00000007
ESI: f26dd1c0 EDI: 00000000 EBP: f26e7f40 ESP: f26e7f38
DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010296
CR0: 80050033 CR2: 0813c6b0 CR3: 2f342000 CR4: 001406f0
Call Trace:
 do_idle+0x33/0x202
 cpu_startup_entry+0x61/0x63
 start_secondary+0x18e/0x1ed
 startup_32_smp+0x164/0x168
irq event stamp: 18773830
hardirqs last  enabled at (18773829): [<c040150c>] trace_hardirqs_on_thunk+0xc/0x10
hardirqs last disabled at (18773830): [<c040151c>] trace_hardirqs_off_thunk+0xc/0x10
softirqs last  enabled at (18773824): [<c0ddaa6f>] __do_softirq+0x25f/0x2bf
softirqs last disabled at (18773767): [<c0416bbe>] call_on_stack+0x45/0x4b
---[ end trace b7c64aa79e17954a ]---

After a bit of debugging, I found what was happening. This would trigger
when performing "perf" with a high NMI interrupt rate, while enabling and
disabling function tracer. Ftrace uses breakpoints to convert the nops at
the start of functions to calls to the function trampolines. The breakpoint
traps disable interrupts and this makes calls into lockdep via the
trace_hardirqs_off_thunk in the entry.S code. What happens is the following:

  do_idle {

    [interrupts enabled]

    <interrupt> [interrupts disabled]
	TRACE_IRQS_OFF [lockdep says irqs off]
	[...]
	TRACE_IRQS_IRET
	    test if pt_regs say return to interrupts enabled [yes]
	    TRACE_IRQS_ON [lockdep says irqs are on]

	    <nmi>
		nmi_enter() {
		    printk_nmi_enter() [traced by ftrace]
		    [ hit ftrace breakpoint ]
		    <breakpoint exception>
			TRACE_IRQS_OFF [lockdep says irqs off]
			[...]
			TRACE_IRQS_IRET [return from breakpoint]
			   test if pt_regs say interrupts enabled [no]
			   [iret back to interrupt]
	   [iret back to code]

    tick_nohz_idle_enter() {

	lockdep_assert_irqs_enabled() [lockdep say no!]

Although interrupts are indeed enabled, lockdep thinks it is not, and since
we now do asserts via lockdep, it gives a false warning. The issue here is
that printk_nmi_enter() is called before lockdep_off(), which disables
lockdep (for this reason) in NMIs. By simply not allowing ftrace to see
printk_nmi_enter() (via notrace annotation) we keep lockdep from getting
confused.

Cc: stable@vger.kernel.org
Fixes: 42a0bb3f ("printk/nmi: generic solution for safe printk in NMI")
Acked-by: default avatarSergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: default avatarPetr Mladek <pmladek@suse.com>
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
      d1c392c9
    • Ilya Dryomov's avatar
      rbd: support cloning across namespaces · e92c0eaf
      Ilya Dryomov authored 
      If parent_get class method is not supported by the OSDs, fall back to
the legacy class method and assume that the parent is in the default
(i.e. "") namespace.  The "use the child's image namespace" workaround
is no longer needed because creating images within namespaces will
require parent_get aware OSDs.
Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
Reviewed-by: default avatarJason Dillaman <dillaman@redhat.com>
      e92c0eaf
    • Ilya Dryomov's avatar
      rbd: factor out get_parent_info() · eb3b2d6b
      Ilya Dryomov authored 
      In preparation for the new parent_get and parent_overlap_get class
methods, factor out the fetching and decoding of parent data.

As a side effect, we now decode all four fields in the "no parent"
case.
Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
Reviewed-by: default avatarJason Dillaman <dillaman@redhat.com>
      eb3b2d6b
    • Ilya Dryomov's avatar
      ceph: avoid a use-after-free in ceph_destroy_options() · 8aaff151
      Ilya Dryomov authored 
      syzbot reported a use-after-free in ceph_destroy_options(), called from
ceph_mount().  The problem was that create_fs_client() consumed the opt
pointer on some errors, but not on all of them.  Make sure it always
consumes both libceph and ceph options.

Reported-by: syzbot+8ab6f1042021b4eed062@syzkaller.appspotmail.com
Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
Reviewed-by: default avatar"Yan, Zheng" <zyan@redhat.com>
      8aaff151
    • Zhang Rui's avatar
      ACPI / LPSS: Force LPSS quirks on boot · f11fc4bc
      Zhang Rui authored 
      Commit 12864ff8 (ACPI / LPSS: Avoid PM quirks on suspend and resume
from hibernation) bypasses lpss quirks for S3 and S4, by setting a flag
for S3/S4 in acpi_lpss_suspend(), and check that flag in
acpi_lpss_resume().

But this overlooks the boot case where acpi_lpss_resume() may get called
without a corresponding acpi_lpss_suspend() having been called.

Thus force setting the flag during boot.

Fixes: 12864ff8 (ACPI / LPSS: Avoid PM quirks on suspend and resume from hibernation)
Link: https://bugzilla.kernel.org/show_bug.cgi?id=200989Reported-and-tested-by: default avatarWilliam Lieurance <william.lieurance@namikoda.com>
Signed-off-by: default avatarZhang Rui <rui.zhang@intel.com>
Cc: 4.15+ <stable@vger.kernel.org> # 4.15+: 12864ff8 (ACPI / LPSS: Avoid ...)
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
      f11fc4bc
    • Jean Delvare's avatar
      ACPI / bus: Only call dmi_check_system() on X86 · 5d128fbd
      Jean Delvare authored 
      Calling dmi_check_system() early only works on X86. Other
architectures initialize the DMI subsystem later so it's not
ready yet when ACPI itself gets initialized.

In the best case it results in a useless call to a function which
will do nothing. But depending on the dmi implementation, it could
also result in warnings. Best is to not call the function when it
can't work and isn't needed.

Additionally, if anyone ever needs to add non-x86 quirks, it would
surprisingly not work, so document the limitation to avoid confusion.
Signed-off-by: default avatarJean Delvare <jdelvare@suse.de>
Fixes: cce4f632 (ACPI: fix early DSDT dmi check warnings on ia64)
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
      5d128fbd
  7. 05 Sep, 2018 7 commits
    • Mikulas Patocka's avatar
      block: don't warn when doing fsync on read-only devices · 8b2ded1c
      Mikulas Patocka authored 
      It is possible to call fsync on a read-only handle (for example, fsck.ext2
does it when doing read-only check), and this call results in kernel
warning.

The patch b089cfd9 ("block: don't warn for flush on read-only device")
attempted to disable the warning, but it is buggy and it doesn't
(op_is_flush tests flags, but bio_op strips off the flags).
Signed-off-by: default avatarMikulas Patocka <mpatocka@redhat.com>
Fixes: 721c7fc7 ("block: fail op_is_write() requests to read-only partitions")
Cc: stable@vger.kernel.org	# 4.18
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
      8b2ded1c
    • Linus Torvalds's avatar
      Merge tag 'gpio-v4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio · b36fdc68
      Linus Torvalds authored 
      Pull GPIO fixes from Linus Walleij:
 "Some GPIO fixes. The ACPI stuff is probably the most annoying for
  users that get fixed this time.

   - Atomic contexts, cansleep* calls and such fastpath/slopwpath
     things.

   - Defer ACPI event handler registration to late_initcall() so IRQs do
     not fire in our face before other drivers have a chance to register
     handlers.

   - Race condition if a consumer requests a GPIO after
     gpiochip_add_data_with_key() but before of_gpiochip_add()

   - Probe errorpath in the dwapb driver"

* tag 'gpio-v4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: Fix crash due to registration race
  gpio: dwapb: Fix error handling in dwapb_gpio_probe()
  gpiolib-acpi: Register GpioInt ACPI event handlers from a late_initcall
  gpiolib: acpi: Switch to cansleep version of GPIO library call
  gpio: adp5588: Fix sleep-in-atomic-context bug
      b36fdc68
    • Linus Torvalds's avatar
      Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi · f4697d9a
      Linus Torvalds authored 
      Pull SCSI fixes from James Bottomley:
 "A set of very minor fixes and a couple of reverts to fix a major
  problem (the attempt to change the busy count causes a hang when
  attempting to change the drive cache type)"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: aacraid: fix a signedness bug
  Revert "scsi: core: avoid host-wide host_busy counter for scsi_mq"
  Revert "scsi: core: fix scsi_host_queue_ready"
  scsi: libata: Add missing newline at end of file
  scsi: target: iscsi: cxgbit: use pr_debug() instead of pr_info()
  scsi: hpsa: limit transfer length to 1MB, not 512kB
  scsi: lpfc: Correct MDS diag and nvmet configuration
  scsi: lpfc: Default fdmi_on to on
  scsi: csiostor: fix incorrect port capabilities
  scsi: csiostor: add a check for NULL pointer after kmalloc()
  scsi: documentation: add scsi_mod.use_blk_mq to scsi-parameters
  scsi: core: Update SCSI_MQ_DEFAULT help text to match default
      f4697d9a
    • Linus Torvalds's avatar
      Merge tag 'nds32-for-linus-4.19-tag1' of... · d0c1db1d
      Linus Torvalds authored 
      Merge tag 'nds32-for-linus-4.19-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux

Pull nds32 updates from Greentime Hu:
 "Contained in here are the bug fixes, building error fixes and ftrace
  support for nds32"

* tag 'nds32-for-linus-4.19-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux:
  nds32: linker script: GCOV kernel may refers data in __exit
  nds32: fix build error because of wrong semicolon
  nds32: Fix a kernel panic issue because of wrong frame pointer access.
  nds32: Only print one page of stack when die to prevent printing too much information.
  nds32: Add macro definition for offset of lp register on stack
  nds32: Remove the deprecated ABI implementation
  nds32/stack: Get real return address by using ftrace_graph_ret_addr
  nds32/ftrace: Support dynamic function graph tracer
  nds32/ftrace: Support dynamic function tracer
  nds32/ftrace: Add RECORD_MCOUNT support
  nds32/ftrace: Support static function graph tracer
  nds32/ftrace: Support static function tracer
  nds32: Extract the checking and getting pointer to a macro
  nds32: Clean up the coding style
  nds32: Fix get_user/put_user macro expand pointer problem
  nds32: Fix empty call trace
  nds32: add NULL entry to the end of_device_id array
  nds32: fix logic for module
      d0c1db1d
    • Steven Rostedt (VMware)'s avatar
      tracing: Add back in rcu_irq_enter/exit_irqson() for rcuidle tracepoints · 865e63b0
      Steven Rostedt (VMware) authored 
      Borislav reported the following splat:

 =============================
 WARNING: suspicious RCU usage
 4.19.0-rc1+ #1 Not tainted
 -----------------------------
 ./include/linux/rcupdate.h:631 rcu_read_lock() used illegally while idle!
 other info that might help us debug this:

 RCU used illegally from idle CPU!
 rcu_scheduler_active = 2, debug_locks = 1
 RCU used illegally from extended quiescent state!
 1 lock held by swapper/0/0:
  #0: 000000004557ee0e (rcu_read_lock){....}, at: perf_event_output_forward+0x0/0x130

 stack backtrace:
 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.0-rc1+ #1
 Hardware name: LENOVO 2320CTO/2320CTO, BIOS G2ET86WW (2.06 ) 11/13/2012
 Call Trace:
  dump_stack+0x85/0xcb
  perf_event_output_forward+0xf6/0x130
  __perf_event_overflow+0x52/0xe0
  perf_swevent_overflow+0x91/0xb0
  perf_tp_event+0x11a/0x350
  ? find_held_lock+0x2d/0x90
  ? __lock_acquire+0x2ce/0x1350
  ? __lock_acquire+0x2ce/0x1350
  ? retint_kernel+0x2d/0x2d
  ? find_held_lock+0x2d/0x90
  ? tick_nohz_get_sleep_length+0x83/0xb0
  ? perf_trace_cpu+0xbb/0xd0
  ? perf_trace_buf_alloc+0x5a/0xa0
  perf_trace_cpu+0xbb/0xd0
  cpuidle_enter_state+0x185/0x340
  do_idle+0x1eb/0x260
  cpu_startup_entry+0x5f/0x70
  start_kernel+0x49b/0x4a6
  secondary_startup_64+0xa4/0xb0

This is due to the tracepoints moving to SRCU usage which does not require
RCU to be "watching". But perf uses these tracepoints with RCU and expects
it to be. Hence, we still need to add in the rcu_irq_enter/exit_irqson()
calls for "rcuidle" tracepoints. This is a temporary fix until we have SRCU
working in NMI context, and then perf can be converted to use that instead
of normal RCU.

Link: http://lkml.kernel.org/r/20180904162611.6a120068@gandalf.local.home

Cc: x86-ml <x86@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Reported-by: default avatarBorislav Petkov <bp@alien8.de>
Tested-by: default avatarBorislav Petkov <bp@alien8.de>
Reviewed-by: default avatar"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Fixes: e6753f23 ("tracepoint: Make rcuidle tracepoint callers use SRCU")
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
      865e63b0
    • Greentime Hu's avatar
      nds32: linker script: GCOV kernel may refers data in __exit · 3350139c
      Greentime Hu authored 
      This patch is used to fix nds32 allmodconfig/allyesconfig build error
because GCOV kernel embeds counters in the kernel for each line
and a part of that embed in __exit text. So we need to keep the
EXIT_TEXT and EXIT_DATA  if CONFIG_GCOV_KERNEL=y.

Link: https://lkml.org/lkml/2018/9/1/125Signed-off-by: default avatarGreentime Hu <greentime@andestech.com>
Reviewed-by: default avatarMasami Hiramatsu <mhiramat@kernel.org>
      3350139c
    • Linus Torvalds's avatar
      Merge branch 'akpm' (patches from Andrew) · 0e9b1039
      Linus Torvalds authored 
      Merge misc fixes from Andrew Morton:
 "17 fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  nilfs2: convert to SPDX license tags
  drivers/dax/device.c: convert variable to vm_fault_t type
  lib/Kconfig.debug: fix three typos in help text
  checkpatch: add __ro_after_init to known $Attribute
  mm: fix BUG_ON() in vmf_insert_pfn_pud() from VM_MIXEDMAP removal
  uapi/linux/keyctl.h: don't use C++ reserved keyword as a struct member name
  memory_hotplug: fix kernel_panic on offline page processing
  checkpatch: add optional static const to blank line declarations test
  ipc/shm: properly return EIDRM in shm_lock()
  mm/hugetlb: filter out hugetlb pages if HUGEPAGE migration is not supported.
  mm/util.c: improve kvfree() kerneldoc
  tools/vm/page-types.c: fix "defined but not used" warning
  tools/vm/slabinfo.c: fix sign-compare warning
  kmemleak: always register debugfs file
  mm: respect arch_dup_mmap() return value
  mm, oom: fix missing tlb_finish_mmu() in __oom_reap_task_mm().
  mm: memcontrol: print proper OOM header when no eligible victim left
      0e9b1039
  9. 04 Sep, 2018 3 commits
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