Commit Graph

660884 Commits

Author SHA1 Message Date
Ingo Molnar 3f07c01441 sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h>
We are going to split <linux/sched/signal.h> out of <linux/sched.h>, which
will have to be picked up from other headers and a couple of .c files.

Create a trivial placeholder <linux/sched/signal.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:29 +01:00
Ingo Molnar f7ccbae45c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/coredump.h>
We are going to split <linux/sched/coredump.h> out of <linux/sched.h>, which
will have to be picked up from other headers and a couple of .c files.

Create a trivial placeholder <linux/sched/coredump.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:28 +01:00
Ingo Molnar 6e84f31522 sched/headers: Prepare for new header dependencies before moving code to <linux/sched/mm.h>
We are going to split <linux/sched/mm.h> out of <linux/sched.h>, which
will have to be picked up from other headers and a couple of .c files.

Create a trivial placeholder <linux/sched/mm.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.

The APIs that are going to be moved first are:

   mm_alloc()
   __mmdrop()
   mmdrop()
   mmdrop_async_fn()
   mmdrop_async()
   mmget_not_zero()
   mmput()
   mmput_async()
   get_task_mm()
   mm_access()
   mm_release()

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:28 +01:00
Ingo Molnar 4eb5aaa3af sched/headers: Prepare for new header dependencies before moving code to <linux/sched/autogroup.h>
We are going to split <linux/sched/autogroup.h> out of <linux/sched.h>, which
will have to be picked up from other headers and a couple of .c files.

Create a trivial placeholder <linux/sched/autogroup.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:28 +01:00
Ingo Molnar 4f17722c72 sched/headers: Prepare for new header dependencies before moving code to <linux/sched/loadavg.h>
We are going to split <linux/sched/loadavg.h> out of <linux/sched.h>, which
will have to be picked up from a couple of .c files.

Create a trivial placeholder <linux/sched/topology.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:27 +01:00
Ingo Molnar ae7e81c077 sched/headers: Prepare for new header dependencies before moving code to <uapi/linux/sched/types.h>
We are going to move scheduler ABI details to <uapi/linux/sched/types.h>,
which will be used from a number of .c files.

Create empty placeholder header that maps to <linux/types.h>.

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:27 +01:00
Ingo Molnar e601757102 sched/headers: Prepare for new header dependencies before moving code to <linux/sched/clock.h>
We are going to split <linux/sched/clock.h> out of <linux/sched.h>, which
will have to be picked up from other headers and .c files.

Create a trivial placeholder <linux/sched/clock.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:27 +01:00
Ingo Molnar 84f001e157 sched/headers: Prepare for new header dependencies before moving code to <linux/sched/wake_q.h>
We are going to split <linux/sched/wake_q.h> out of <linux/sched.h>, which
will have to be picked up from other headers and a couple of .c files.

Create a trivial placeholder <linux/sched/wake_q.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:26 +01:00
Ingo Molnar 4c822698cb sched/headers: Prepare for new header dependencies before moving code to <linux/sched/idle.h>
We are going to split  <linux/sched/idle.h> out of <linux/sched.h>, which
will have to be picked up from other headers and a couple of .c files.

Create a trivial placeholder <linux/sched/idle.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:26 +01:00
Ingo Molnar 105ab3d8ce sched/headers: Prepare for new header dependencies before moving code to <linux/sched/topology.h>
We are going to split <linux/sched/topology.h> out of <linux/sched.h>, which
will have to be picked up from other headers and a couple of .c files.

Create a trivial placeholder <linux/sched/topology.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.

Include the new header in the files that are going to need it.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:26 +01:00
Ingo Molnar af8601ad42 kasan, sched/headers: Uninline kasan_enable/disable_current()
<linux/kasan.h> is a low level header that is included early
in affected kernel headers. But it includes <linux/sched.h>
which complicates the cleanup of sched.h dependencies.

But kasan.h has almost no need for sched.h: its only use of
scheduler functionality is in two inline functions which are
not used very frequently - so uninline kasan_enable_current()
and kasan_disable_current().

Also add a <linux/sched.h> dependency to a .c file that depended
on kasan.h including it.

This paves the way to remove the <linux/sched.h> include from kasan.h.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:25 +01:00
Ingo Molnar 314ff7851f mm/vmacache, sched/headers: Introduce 'struct vmacache' and move it from <linux/sched.h> to <linux/mm_types>
The <linux/sched.h> header includes various vmacache related defines,
which are arguably misplaced.

Move them to mm_types.h and minimize the sched.h impact by putting
all task vmacache state into a new 'struct vmacache' structure.

No change in functionality.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:25 +01:00
Ingo Molnar 780de9dd27 sched/headers, cgroups: Remove the threadgroup_change_*() wrappery
threadgroup_change_begin()/end() is a pointless wrapper around
cgroup_threadgroup_change_begin()/end(), minus a might_sleep()
in the !CONFIG_CGROUPS=y case.

Remove the wrappery, move the might_sleep() (the down_read()
already has a might_sleep() check).

This debloats <linux/sched.h> a bit and simplifies this API.

Update all call sites.

No change in functionality.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:25 +01:00
Ingo Molnar f9411ebe3d rcu: Separate the RCU synchronization types and APIs into <linux/rcupdate_wait.h>
So rcupdate.h is a pretty complex header, in particular it includes
<linux/completion.h> which includes <linux/wait.h> - creating a
dependency that includes <linux/wait.h> in <linux/sched.h>,
which prevents the isolation of <linux/sched.h> from the derived
<linux/wait.h> header.

Solve part of the problem by decoupling rcupdate.h from completions:
this can be done by separating out the rcu_synchronize types and APIs,
and updating their usage sites.

Since this is a mostly RCU-internal types this will not just simplify
<linux/sched.h>'s dependencies, but will make all the hundreds of
.c files that include rcupdate.h but not completions or wait.h build
faster.

( For rcutiny this means that two dependent APIs have to be uninlined,
  but that shouldn't be much of a problem as they are rare variants. )

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:24 +01:00
Ingo Molnar 4b53a3412d sched/core: Remove the tsk_nr_cpus_allowed() wrapper
tsk_nr_cpus_allowed() too is a pretty pointless wrapper that
is not used consistently and which makes the code both harder
to read and longer as well.

So remove it - this also shrinks <linux/sched.h> a bit.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:24 +01:00
Ingo Molnar 0c98d344fe sched/core: Remove the tsk_cpus_allowed() wrapper
So the original intention of tsk_cpus_allowed() was to 'future-proof'
the field - but it's pretty ineffectual at that, because half of
the code uses ->cpus_allowed directly ...

Also, the wrapper makes the code longer than the original expression!

So just get rid of it. This also shrinks <linux/sched.h> a bit.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:24 +01:00
Ingo Molnar 59ddbcb2f4 sched/core: Move the get_preempt_disable_ip() inline to sched/core.c
It's defined in <linux/sched.h>, but nothing outside the scheduler
uses it - so move it to the sched/core.c usage site.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:23 +01:00
Ingo Molnar c930b2c0de sched/core: Convert ___assert_task_state() link time assert to BUILD_BUG_ON()
The length of TASK_STATE_TO_CHAR_STR was still checked using the old
link-time manual error method - convert it to BUILD_BUG_ON(). This
has a couple of advantages:

 - it's more obvious what's going on

 - it reduces the size and complexity of <linux/sched.h>

 - BUILD_BUG_ON() will fail during compilation, with a clearer
   error message than the link time assert.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:23 +01:00
Ingo Molnar 9ccd27cc2e sched/headers: Make all include/linux/sched/*.h headers build standalone
Make each header self-sufficient, so that it can be built successfully
both in an allnoconfig and allyesconfig kernel.

Also standardize the naming of their header guards.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-02 08:42:23 +01:00
Linus Torvalds 4977ab6e92 Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool relocation fixes from Ingo Molnar:
 "Two fixes related to the module loading regression introduced by the
  recent objtool changes"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool, modules: Discard objtool annotation sections for modules
  objtool, compiler.h: Fix __unreachable section relocation size
2017-03-01 17:04:50 -08:00
Linus Torvalds 8f03cf50bc NFS client updates for Linux 4.11
Stable bugfixes:
 - NFSv4: Fix memory and state leak in _nfs4_open_and_get_state
 - xprtrdma: Fix Read chunk padding
 - xprtrdma: Per-connection pad optimization
 - xprtrdma: Disable pad optimization by default
 - xprtrdma: Reduce required number of send SGEs
 - nlm: Ensure callback code also checks that the files match
 - pNFS/flexfiles: If the layout is invalid, it must be updated before retrying
 - NFSv4: Fix reboot recovery in copy offload
 - Revert "NFSv4.1: Handle NFS4ERR_BADSESSION/NFS4ERR_DEADSESSION replies to OP_SEQUENCE"
 - NFSv4: fix getacl head length estimation
 - NFSv4: fix getacl ERANGE for sum ACL buffer sizes
 
 Features:
 - Add and use dprintk_cont macros
 - Various cleanups to NFS v4.x to reduce code duplication and complexity
 - Remove unused cr_magic related code
 - Improvements to sunrpc "read from buffer" code
 - Clean up sunrpc timeout code and allow changing TCP timeout parameters
 - Remove duplicate mw_list management code in xprtrdma
 - Add generic functions for encoding and decoding xdr streams
 
 Bugfixes:
 - Clean up nfs_show_mountd_netid
 - Make layoutreturn_ops static and use NULL instead of 0 to fix sparse warnings
 - Properly handle -ERESTARTSYS in nfs_rename()
 - Check if register_shrinker() failed during rpcauth_init()
 - Properly clean up procfs/pipefs entries
 - Various NFS over RDMA related fixes
 - Silence unititialized variable warning in sunrpc
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Merge tag 'nfs-for-4.11-1' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS client updates from Anna Schumaker:
 "Highlights include:

  Stable bugfixes:
   - NFSv4: Fix memory and state leak in _nfs4_open_and_get_state
   - xprtrdma: Fix Read chunk padding
   - xprtrdma: Per-connection pad optimization
   - xprtrdma: Disable pad optimization by default
   - xprtrdma: Reduce required number of send SGEs
   - nlm: Ensure callback code also checks that the files match
   - pNFS/flexfiles: If the layout is invalid, it must be updated before
     retrying
   - NFSv4: Fix reboot recovery in copy offload
   - Revert "NFSv4.1: Handle NFS4ERR_BADSESSION/NFS4ERR_DEADSESSION
     replies to OP_SEQUENCE"
   - NFSv4: fix getacl head length estimation
   - NFSv4: fix getacl ERANGE for sum ACL buffer sizes

  Features:
   - Add and use dprintk_cont macros
   - Various cleanups to NFS v4.x to reduce code duplication and
     complexity
   - Remove unused cr_magic related code
   - Improvements to sunrpc "read from buffer" code
   - Clean up sunrpc timeout code and allow changing TCP timeout
     parameters
   - Remove duplicate mw_list management code in xprtrdma
   - Add generic functions for encoding and decoding xdr streams

  Bugfixes:
   - Clean up nfs_show_mountd_netid
   - Make layoutreturn_ops static and use NULL instead of 0 to fix
     sparse warnings
   - Properly handle -ERESTARTSYS in nfs_rename()
   - Check if register_shrinker() failed during rpcauth_init()
   - Properly clean up procfs/pipefs entries
   - Various NFS over RDMA related fixes
   - Silence unititialized variable warning in sunrpc"

* tag 'nfs-for-4.11-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (64 commits)
  NFSv4: fix getacl ERANGE for some ACL buffer sizes
  NFSv4: fix getacl head length estimation
  Revert "NFSv4.1: Handle NFS4ERR_BADSESSION/NFS4ERR_DEADSESSION replies to OP_SEQUENCE"
  NFSv4: Fix reboot recovery in copy offload
  pNFS/flexfiles: If the layout is invalid, it must be updated before retrying
  NFSv4: Clean up owner/group attribute decode
  SUNRPC: Add a helper function xdr_stream_decode_string_dup()
  NFSv4: Remove bogus "struct nfs_client" argument from decode_ace()
  NFSv4: Fix the underestimation of delegation XDR space reservation
  NFSv4: Replace callback string decode function with a generic
  NFSv4: Replace the open coded decode_opaque_inline() with the new generic
  NFSv4: Replace ad-hoc xdr encode/decode helpers with xdr_stream_* generics
  SUNRPC: Add generic helpers for xdr_stream encode/decode
  sunrpc: silence uninitialized variable warning
  nlm: Ensure callback code also checks that the files match
  sunrpc: Allow xprt->ops->timer method to sleep
  xprtrdma: Refactor management of mw_list field
  xprtrdma: Handle stale connection rejection
  xprtrdma: Properly recover FRWRs with in-flight FASTREG WRs
  xprtrdma: Shrink send SGEs array
  ...
2017-03-01 16:10:30 -08:00
Linus Torvalds 25c4e6c3f0 for-f2fs-4.11
This round introduces several interesting features such as on-disk NAT bitmaps,
 IO alignment, and a discard thread. And it includes a couple of major bug fixes
 as below.
 
 == Enhancement ==
 - introduce on-disk bitmaps to avoid scanning NAT blocks when getting free nids
 - support IO alignment to prepare open-channel SSD integration in future
 - introduce a discard thread to avoid long latency during checkpoint and fstrim
 - use SSR for warm node and enable inline_xattr by default
 - introduce in-memory bitmaps to check FS consistency for debugging
 - improve write_begin by avoiding needless read IO
 
 == Bug fix ==
 - fix broken zone_reset behavior for SMR drive
 - fix wrong victim selection policy during GC
 - fix missing behavior when preparing discard commands
 - fix bugs in atomic write support and fiemap
 - workaround to handle multiple f2fs_add_link calls having same name
 
 And it includes a bunch of clean-up patches as well.
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Merge tag 'for-f2fs-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs updates from Jaegeuk Kim:
 "This round introduces several interesting features such as on-disk NAT
  bitmaps, IO alignment, and a discard thread. And it includes a couple
  of major bug fixes as below.

  Enhancements:

   - introduce on-disk bitmaps to avoid scanning NAT blocks when getting
     free nids

   - support IO alignment to prepare open-channel SSD integration in
     future

   - introduce a discard thread to avoid long latency during checkpoint
     and fstrim

   - use SSR for warm node and enable inline_xattr by default

   - introduce in-memory bitmaps to check FS consistency for debugging

   - improve write_begin by avoiding needless read IO

  Bug fixes:

   - fix broken zone_reset behavior for SMR drive

   - fix wrong victim selection policy during GC

   - fix missing behavior when preparing discard commands

   - fix bugs in atomic write support and fiemap

   - workaround to handle multiple f2fs_add_link calls having same name

  ... and it includes a bunch of clean-up patches as well"

* tag 'for-f2fs-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (97 commits)
  f2fs: avoid to flush nat journal entries
  f2fs: avoid to issue redundant discard commands
  f2fs: fix a plint compile warning
  f2fs: add f2fs_drop_inode tracepoint
  f2fs: Fix zoned block device support
  f2fs: remove redundant set_page_dirty()
  f2fs: fix to enlarge size of write_io_dummy mempool
  f2fs: fix memory leak of write_io_dummy mempool during umount
  f2fs: fix to update F2FS_{CP_}WB_DATA count correctly
  f2fs: use MAX_FREE_NIDS for the free nids target
  f2fs: introduce free nid bitmap
  f2fs: new helper cur_cp_crc() getting crc in f2fs_checkpoint
  f2fs: update the comment of default nr_pages to skipping
  f2fs: drop the duplicate pval in f2fs_getxattr
  f2fs: Don't update the xattr data that same as the exist
  f2fs: kill __is_extent_same
  f2fs: avoid bggc->fggc when enough free segments are avaliable after cp
  f2fs: select target segment with closer temperature in SSR mode
  f2fs: show simple call stack in fault injection message
  f2fs: no need lock_op in f2fs_write_inline_data
  ...
2017-03-01 15:55:04 -08:00
Josh Poimboeuf e390f9a968 objtool, modules: Discard objtool annotation sections for modules
The '__unreachable' and '__func_stack_frame_non_standard' sections are
only used at compile time.  They're discarded for vmlinux but they
should also be discarded for modules.

Since this is a recurring pattern, prefix the section names with
".discard.".  It's a nice convention and vmlinux.lds.h already discards
such sections.

Also remove the 'a' (allocatable) flag from the __unreachable section
since it doesn't make sense for a discarded section.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Jessica Yu <jeyu@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: d1091c7fa3 ("objtool: Improve detection of BUG() and other dead ends")
Link: http://lkml.kernel.org/r/20170301180444.lhd53c5tibc4ns77@treble
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-01 20:32:25 +01:00
Linus Torvalds 6053dc9814 - Fix kernel panic on specific Qualcomm platform due to broken erratum
workaround
 - Revert contiguous bit support due to TLB conflict aborts in simulation
 - Don't treat all CPU ID register fields as 4-bit quantities
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "The main fix here addresses a kernel panic triggered on Qualcomm
  QDF2400 due to incorrect register usage in an erratum workaround
  introduced during the merge window.

  Summary:

   - Fix kernel panic on specific Qualcomm platform due to broken
     erratum workaround

   - Revert contiguous bit support due to TLB conflict aborts in
     simulation

   - Don't treat all CPU ID register fields as 4-bit quantities"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64/cpufeature: check correct field width when updating sys_val
  Revert "arm64: mm: set the contiguous bit for kernel mappings where appropriate"
  arm64: Avoid clobbering mm in erratum workaround on QDF2400
2017-03-01 10:32:30 -08:00
Linus Torvalds b286cedd47 powerpc updates for 4.11 part 2
Highlights include:
 
  - An update of the disassembly code used by xmon to the latest versions in
    binutils. We've received permission from all the authors of the relevant
    binutils changes to relicense their changes to the relevant files from GPLv3
    to GPLv2, for inclusion in Linux. Thanks to Peter Bergner for doing the leg
    work to get permission from everyone.
 
  - Addition of the "architected" Power9 CPU table entry, allowing us to boot
    in Power9 architected mode under a hypervisor.
 
  - Updates to the Power9 PMU code.
 
  - Implementation of clear_bit_unlock_is_negative_byte() to optimise
    unlock_page().
 
  - Freescale updates from Scott: "Highlights include 8xx breakpoints and perf,
    t1042rdb display support, and board updates."
 
 Thanks to:
   Al Viro, Andrew Donnellan, Aneesh Kumar K.V, Balbir Singh, Douglas Miller,
   Frédéric Weisbecker, Gavin Shan, Madhavan Srinivasan, Michael Roth, Nathan
   Fontenot, Naveen N. Rao, Nicholas Piggin, Peter Bergner, Paul E. McKenney,
   Rashmica Gupta, Russell Currey, Sahil Mehta, Stewart Smith.
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Merge tag 'powerpc-4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull more powerpc updates from Michael Ellerman:
 "Highlights include:

   - an update of the disassembly code used by xmon to the latest
     versions in binutils. We've received permission from all the
     authors of the relevant binutils changes to relicense their changes
     to the relevant files from GPLv3 to GPLv2, for inclusion in Linux.
     Thanks to Peter Bergner for doing the leg work to get permission
     from everyone.

   - addition of the "architected" Power9 CPU table entry, allowing us
     to boot in Power9 architected mode under a hypervisor.

   - updates to the Power9 PMU code.

   - implementation of clear_bit_unlock_is_negative_byte() to optimise
     unlock_page().

   - Freescale updates from Scott: "Highlights include 8xx breakpoints
     and perf, t1042rdb display support, and board updates."

  Thanks to:
    Al Viro, Andrew Donnellan, Aneesh Kumar K.V, Balbir Singh, Douglas
    Miller, Frédéric Weisbecker, Gavin Shan, Madhavan Srinivasan,
    Michael Roth, Nathan Fontenot, Naveen N. Rao, Nicholas Piggin, Peter
    Bergner, Paul E. McKenney, Rashmica Gupta, Russell Currey, Sahil
    Mehta, Stewart Smith"

* tag 'powerpc-4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (48 commits)
  powerpc: Remove leftover cputime_to_nsecs call causing build error
  powerpc/mm/hash: Always clear UPRT and Host Radix bits when setting up CPU
  powerpc/optprobes: Fix TOC handling in optprobes trampoline
  powerpc/pseries: Advertise Hot Plug Event support to firmware
  cxl: fix nested locking hang during EEH hotplug
  powerpc/xmon: Dump memory in CPU endian format
  powerpc/pseries: Revert 'Auto-online hotplugged memory'
  powerpc/powernv: Make PCI non-optional
  powerpc/64: Implement clear_bit_unlock_is_negative_byte()
  powerpc/powernv: Remove unused variable in pnv_pci_sriov_disable()
  powerpc/kernel: Remove error message in pcibios_setup_phb_resources()
  powerpc/mm: Fix typo in set_pte_at()
  pci/hotplug/pnv-php: Disable MSI and PCI device properly
  pci/hotplug/pnv-php: Disable surprise hotplug capability on conflicts
  pci/hotplug/pnv-php: Remove WARN_ON() in pnv_php_put_slot()
  powerpc: Add POWER9 architected mode to cputable
  powerpc/perf: use is_kernel_addr macro in perf_get_misc_flags()
  powerpc/perf: Avoid FAB_*_MATCH checks for power9
  powerpc/perf: Add restrictions to PMC5 in power9 DD1
  powerpc/perf: Use Instruction Counter value
  ...
2017-03-01 10:10:16 -08:00
Benjamin Tissoires 522214d9be Input: rmi4 - f30: detect INPUT_PROP_BUTTONPAD from the button count
INPUT_PROP_BUTTONPAD is currently only set through the platform data.
The RMI4 header doc says that this property is there to force the
buttonpad property, so we also need to detect it by looking at
the exported buttons count.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reported-and-tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-03-01 10:01:56 -08:00
Linus Torvalds 044d5dfd62 sound fixes for 4.11-rc1
A few last-minute fixes for rc1:
 
 - ALSA core timer and sequencer fixes for bugs spotted by syzkaller
 - A couple of trivial HD-audio fixups
 - Additional PCI / codec IDs for Intel Geminilake
 - Fixes for CT-XFi DMA mask bugs
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Merge tag 'sound-fix-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A few last-minute fixes for rc1:

   - ALSA core timer and sequencer fixes for bugs spotted by syzkaller

   - a couple of trivial HD-audio fixups

   - additional PCI / codec IDs for Intel Geminilake

   - fixes for CT-XFi DMA mask bugs"

* tag 'sound-fix-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: seq: Fix link corruption by event error handling
  ALSA: hda - Add subwoofer support for Dell Inspiron 17 7000 Gaming
  ALSA: ctxfi: Fallback DMA mask to 32bit
  ALSA: timer: Reject user params with too small ticks
  ALSA: hda: Add Geminilake HDMI codec ID
  ALSA: hda - Fix micmute hotkey problem for a lenovo AIO machine
  ALSA: hda - Add Geminilake PCI ID
2017-03-01 09:59:21 -08:00
Linus Torvalds 544a068f1f Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management updates from Zhang Rui:

 - add thermal driver for R-Car Gen3 thermal sensors.

 - add thermal driver for ZTE' zx2967 family thermal sensors.

 - convert thermal ID allocation from IDR to IDA.

 - fix a possible NULL dereference in imx thermal driver.

 - fix a ti-soc-thermal driver dependency issue so that critical thermal
   control is still available when CPU_THERMAL is not defined.

 - update binding information for QorIQ thermal driver.

 - a couple of cleanups in thermal core, intel_powerclamp, exynos,
   dra752-thermal, mtk-thermal driver.

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
  powerpc/mpc85xx: Update TMU device tree node for T1023/T1024
  powerpc/mpc85xx: Update TMU device tree node for T1040/T1042
  dt-bindings: Update QorIQ TMU thermal bindings
  thermal: mtk_thermal: Staticise a number of data variables
  thermal: arm: dra752: Remove all TSHUT related definitions
  thermal: arm: dra752: Remove TSHUT configuration
  thermal: ti-soc-thermal: Remove CPU_THERMAL Dependency from TI_THERMAL
  thermal: imx: Fix possible NULL dereference.
  thermal: exynos: Remove parsing unused samsung,tmu_cal_mode property
  thermal: zx2967: add thermal driver for ZTE's zx2967 family
  thermal: use cpumask_var_t for on-stack cpu masks
  dt: bindings: add documentation for zx2967 family thermal sensor
  thermal/intel_powerclamp: Remove set-but-not-used variables
  thermal: rcar_gen3_thermal: Add R-Car Gen3 thermal driver
  thermal: rcar_gen3_thermal: Document the R-Car Gen3
  thermal: convert devfreq_cooling to use an IDA
  thermal: convert cpu_cooling to use an IDA
  thermal: convert clock cooling to use an IDA
  thermal core: convert ID allocation to IDA
2017-03-01 09:54:32 -08:00
Linus Torvalds 545b2820c4 pwm: Changes for v4.11-rc1
This set contains mostly fixes to existing drivers as well as cleanup of
 code that's not been in active use for a while.
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Merge tag 'pwm/for-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "This set contains mostly fixes to existing drivers as well as cleanup
  of code that's not been in active use for a while"

* tag 'pwm/for-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (27 commits)
  acpi: lpss: call pwm_add_table() for BSW PWM device
  pwm: Try to load modules during pwm_get()
  pwm: Don't hold pwm_lookup_lock longer than necessary
  pwm: Make the PWM_POLARITY flag in DTB optional
  pwm: Print error messages with pr_err() instead of pr_debug()
  pwm: imx: Add polarity inversion support to i.MX's PWMv2
  pwm: imx: doc: Update imx-pwm.txt documentation entry
  pwm: imx: Remove redundant i.MX PWMv2 code
  pwm: imx: Provide atomic PWM support for i.MX PWMv2
  pwm: imx: Move PWMv2 wait for fifo slot code to a separate function
  pwm: imx: Move PWMv2 software reset code to a separate function
  pwm: imx: Rewrite v1 code to facilitate switch to atomic PWM
  pwm: imx: Add separate set of PWM ops for v1 and v2
  pwm: imx: Remove ipg clock and enable per clock when required
  pwm: lpss: Add Intel Gemini Lake PCI ID
  pwm: lpss: Do not export board infos for different PWM types
  pwm: lpss: Avoid reconfiguring while UPDATE bit is still enabled
  pwm: lpss: Switch to new atomic API
  pwm: lpss: Allow duty cycle to be 0
  pwm: lpss: Avoid potential overflow of base_unit
  ...
2017-03-01 09:46:02 -08:00
Linus Torvalds 3437f9f0a6 AST 2500 support for v4.11 - new hardware
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Merge tag 'drm-ast-2500-for-v4.11' of git://people.freedesktop.org/~airlied/linux

Pull drm AST2500 support from Dave Airlie:
 "This is a set of changes to enable the AST2500 BMC hardware, and also
  fix some bugs interacting with the older AST hardware.

  Some of the bug fixes are cc'ed to stable"

* tag 'drm-ast-2500-for-v4.11' of git://people.freedesktop.org/~airlied/linux:
  drm/ast: Call open_key before enable_mmio in POST code
  drm/ast: Fix test for VGA enabled
  drm/ast: POST code for the new AST2500
  drm/ast: Rename ast_init_dram_2300 to ast_post_chip_2300
  drm/ast: Factor mmc_test code in POST code
  drm/ast: Fixed vram size incorrect issue on POWER
  drm/ast: Base support for AST2500
  drm/ast: Fix calculation of MCLK
  drm/ast: Remove spurious include
  drm/ast: const'ify mode setting tables
  drm/ast: Handle configuration without P2A bridge
  drm/ast: Fix AST2400 POST failure without BMC FW or VBIOS
2017-03-01 09:42:42 -08:00
Linus Torvalds f3ecc84b09 misc fixes for v4.11-rc1
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Merge tag 'drm-fixes-for-v4.11-rc1' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "Misc fixes for v4.11-rc1.

  This is a selection of fixes for recent bugs, the vmwgfx one is
  important to avoid a regression, and compat ioctl one is pretty urgent
  for stable. Otherwise nothing too much.

  I've got a separate pull req for some AST hw IBM need to enable"

* tag 'drm-fixes-for-v4.11-rc1' of git://people.freedesktop.org/~airlied/linux:
  dma-buf: add support for compat ioctl
  drm/vmwgfx: Work around drm removal of control nodes
  drm/rockchip: cdn-dp: Fix error handling
  drm/rockchip: add extcon dependency for DP
  drm: zte: fix static checker warning on variable 'fmt'
2017-03-01 08:50:33 -08:00
Josh Poimboeuf 55149d0653 objtool, compiler.h: Fix __unreachable section relocation size
Linus reported the following commit broke module loading on his laptop:

  d1091c7fa3 ("objtool: Improve detection of BUG() and other dead ends")

It showed errors like the following:

  module: overflow in relocation type 10 val ffffffffc02afc81
  module: 'nvme' likely not compiled with -mcmodel=kernel

The problem is that the __unreachable section addresses are stored using
the '.long' asm directive, which isn't big enough for .text section
kernel addresses.  Use relative addresses instead:

  ".long %c0b - .\t\n"

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: d1091c7fa3 ("objtool: Improve detection of BUG() and other dead ends")
Link: http://lkml.kernel.org/r/20170301060504.oltm3iws6fmubnom@treble
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-01 14:20:18 +01:00
Linus Torvalds 2d6be4abf5 This is a few small fixes to the main IPMI driver, make some
things const, fix typos, etc.
 
 The last patch came in about a week ago, but IMHO it's best to
 go in now.  It is not for the main driver, it's for the bt-bmc
 driver, which runs on the managment controller side, not on
 the host side, so the scope is limited and the change is
 necessary.
 
 Thanks,
 
 -corey
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Merge tag 'for-linus-4.11' of git://git.code.sf.net/p/openipmi/linux-ipmi

Pull IPMI updates from Corey Minyard:
 "This is a few small fixes to the main IPMI driver, make some things
  const, fix typos, etc.

  The last patch came in about a week ago, but IMHO it's best to go in
  now. It is not for the main driver, it's for the bt-bmc driver, which
  runs on the managment controller side, not on the host side, so the
  scope is limited and the change is necessary"

* tag 'for-linus-4.11' of git://git.code.sf.net/p/openipmi/linux-ipmi:
  ipmi: bt-bmc: Use a regmap for register access
  char: ipmi: constify ipmi_smi_handlers structures
  acpi:ipmi: Make IPMI user handler const
  ipmi: make ipmi_usr_hndl const
  Documentation: Fix a typo in IPMI.txt.
2017-02-28 21:06:30 -08:00
Linus Torvalds cf393195c3 Merge branch 'idr-4.11' of git://git.infradead.org/users/willy/linux-dax
Pull IDR rewrite from Matthew Wilcox:
 "The most significant part of the following is the patch to rewrite the
  IDR & IDA to be clients of the radix tree. But there's much more,
  including an enhancement of the IDA to be significantly more space
  efficient, an IDR & IDA test suite, some improvements to the IDR API
  (and driver changes to take advantage of those improvements), several
  improvements to the radix tree test suite and RCU annotations.

  The IDR & IDA rewrite had a good spin in linux-next and Andrew's tree
  for most of the last cycle. Coupled with the IDR test suite, I feel
  pretty confident that any remaining bugs are quite hard to hit. 0-day
  did a great job of watching my git tree and pointing out problems; as
  it hit them, I added new test-cases to be sure not to be caught the
  same way twice"

Willy goes on to expand a bit on the IDR rewrite rationale:
 "The radix tree and the IDR use very similar data structures.

  Merging the two codebases lets us share the memory allocation pools,
  and results in a net deletion of 500 lines of code. It also opens up
  the possibility of exposing more of the features of the radix tree to
  users of the IDR (and I have some interesting patches along those
  lines waiting for 4.12)

  It also shrinks the size of the 'struct idr' from 40 bytes to 24 which
  will shrink a fair few data structures that embed an IDR"

* 'idr-4.11' of git://git.infradead.org/users/willy/linux-dax: (32 commits)
  radix tree test suite: Add config option for map shift
  idr: Add missing __rcu annotations
  radix-tree: Fix __rcu annotations
  radix-tree: Add rcu_dereference and rcu_assign_pointer calls
  radix tree test suite: Run iteration tests for longer
  radix tree test suite: Fix split/join memory leaks
  radix tree test suite: Fix leaks in regression2.c
  radix tree test suite: Fix leaky tests
  radix tree test suite: Enable address sanitizer
  radix_tree_iter_resume: Fix out of bounds error
  radix-tree: Store a pointer to the root in each node
  radix-tree: Chain preallocated nodes through ->parent
  radix tree test suite: Dial down verbosity with -v
  radix tree test suite: Introduce kmalloc_verbose
  idr: Return the deleted entry from idr_remove
  radix tree test suite: Build separate binaries for some tests
  ida: Use exceptional entries for small IDAs
  ida: Move ida_bitmap to a percpu variable
  Reimplement IDR and IDA using the radix tree
  radix-tree: Add radix_tree_iter_delete
  ...
2017-02-28 20:29:41 -08:00
Linus Torvalds 5ecc5ac215 IOMMU Fixes:
* Fix and issue introduced this merge window into the AMD and
 	  Intel IOMMU drivers that causes an oops when the
 	  vendor-specific sysfs-entries are accessed.
 	  Reason for this issue is that I forgot to update the sysfs
 	  code in the drivers when moving the iommu 'struct device' to
 	  the iommu-core.
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Merge tag 'iommu-fix-v4.11-rc0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:
 "Fix an issue introduced this merge window into the AMD and Intel IOMMU
  drivers that causes an oops when the vendor-specific sysfs-entries are
  accessed.

  The reason for this issue is that I forgot to update the sysfs code in
  the drivers when moving the iommu 'struct device' to the iommu-core"

* tag 'iommu-fix-v4.11-rc0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/amd: Fix crash when accessing AMD-Vi sysfs entries
  iommu/vt-d: Fix crash when accessing VT-d sysfs entries
2017-02-28 20:18:44 -08:00
Linus Torvalds 8313064c2e The nfsd update this round is mainly a lot of miscellaneous cleanups and
bugfixes.
 
 A couple changes could theoretically break working setups on upgrade.  I
 don't expect complaints in practice, but they seem worth calling out
 just in case:
 
 	- NFS security labels are now off by default; a new
 	  security_label export flag reenables it per export.  But,
 	  having them on by default is a disaster, as it generally only
 	  makes sense if all your clients and servers have similar
 	  enough selinux policies.  Thanks to Jason Tibbitts for
 	  pointing this out.
 
 	- NFSv4/UDP support is off.  It was never really supported, and
 	  the spec explicitly forbids it.  We only ever left it on out
 	  of laziness; thanks to Jeff Layton for finally fixing that.
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Merge tag 'nfsd-4.11' of git://linux-nfs.org/~bfields/linux

Pull nfsd updates from Bruce Fields:
 "The nfsd update this round is mainly a lot of miscellaneous cleanups
  and bugfixes.

  A couple changes could theoretically break working setups on upgrade.
  I don't expect complaints in practice, but they seem worth calling out
  just in case:

   - NFS security labels are now off by default; a new security_label
     export flag reenables it per export. But, having them on by default
     is a disaster, as it generally only makes sense if all your clients
     and servers have similar enough selinux policies. Thanks to Jason
     Tibbitts for pointing this out.

   - NFSv4/UDP support is off. It was never really supported, and the
     spec explicitly forbids it. We only ever left it on out of
     laziness; thanks to Jeff Layton for finally fixing that"

* tag 'nfsd-4.11' of git://linux-nfs.org/~bfields/linux: (34 commits)
  nfsd: Fix display of the version string
  nfsd: fix configuration of supported minor versions
  sunrpc: don't register UDP port with rpcbind when version needs congestion control
  nfs/nfsd/sunrpc: enforce transport requirements for NFSv4
  sunrpc: flag transports as having congestion control
  sunrpc: turn bitfield flags in svc_version into bools
  nfsd: remove superfluous KERN_INFO
  nfsd: special case truncates some more
  nfsd: minor nfsd_setattr cleanup
  NFSD: Reserve adequate space for LOCKT operation
  NFSD: Get response size before operation for all RPCs
  nfsd/callback: Drop a useless data copy when comparing sessionid
  nfsd/callback: skip the callback tag
  nfsd/callback: Cleanup callback cred on shutdown
  nfsd/idmap: return nfserr_inval for 0-length names
  SUNRPC/Cache: Always treat the invalid cache as unexpired
  SUNRPC: Drop all entries from cache_detail when cache_purge()
  svcrdma: Poll CQs in "workqueue" mode
  svcrdma: Combine list fields in struct svc_rdma_op_ctxt
  svcrdma: Remove unused sc_dto_q field
  ...
2017-02-28 15:39:09 -08:00
Linus Torvalds b2deee2dc0 This time around we have:
- support for rbd data-pool feature, which enables rbd images on
   erasure-coded pools (myself).  CEPH_PG_MAX_SIZE has been bumped to
   allow erasure-coded profiles with k+m up to 32.
 
 - a patch for ceph_d_revalidate() performance regression introduced in
   4.9, along with some cleanups in the area (Jeff Layton)
 
 - a set of fixes for unsafe ->d_parent accesses in CephFS (Jeff Layton)
 
 - buffered reads are now processed in rsize windows instead of rasize
   windows (Andreas Gerstmayr).  The new default for rsize mount option
   is 64M.
 
 - ack vs commit distinction is gone, greatly simplifying ->fsync() and
   MOSDOpReply handling code (myself)
 
 Also a few filesystem bug fixes from Zheng, a CRUSH sync up (CRUSH
 computations are still serialized though) and several minor fixes and
 cleanups all over.
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Merge tag 'ceph-for-4.11-rc1' of git://github.com/ceph/ceph-client

Pull ceph updates from Ilya Dryomov:
 "This time around we have:

   - support for rbd data-pool feature, which enables rbd images on
     erasure-coded pools (myself). CEPH_PG_MAX_SIZE has been bumped to
     allow erasure-coded profiles with k+m up to 32.

   - a patch for ceph_d_revalidate() performance regression introduced
     in 4.9, along with some cleanups in the area (Jeff Layton)

   - a set of fixes for unsafe ->d_parent accesses in CephFS (Jeff
     Layton)

   - buffered reads are now processed in rsize windows instead of rasize
     windows (Andreas Gerstmayr). The new default for rsize mount option
     is 64M.

   - ack vs commit distinction is gone, greatly simplifying ->fsync()
     and MOSDOpReply handling code (myself)

  ... also a few filesystem bug fixes from Zheng, a CRUSH sync up (CRUSH
  computations are still serialized though) and several minor fixes and
  cleanups all over"

* tag 'ceph-for-4.11-rc1' of git://github.com/ceph/ceph-client: (52 commits)
  libceph, rbd, ceph: WRITE | ONDISK -> WRITE
  libceph: get rid of ack vs commit
  ceph: remove special ack vs commit behavior
  ceph: tidy some white space in get_nonsnap_parent()
  crush: fix dprintk compilation
  crush: do is_out test only if we do not collide
  ceph: remove req from unsafe list when unregistering it
  rbd: constify device_type structure
  rbd: kill obj_request->object_name and rbd_segment_name_cache
  rbd: store and use obj_request->object_no
  rbd: RBD_V{1,2}_DATA_FORMAT macros
  rbd: factor out __rbd_osd_req_create()
  rbd: set offset and length outside of rbd_obj_request_create()
  rbd: support for data-pool feature
  rbd: introduce rbd_init_layout()
  rbd: use rbd_obj_bytes() more
  rbd: remove now unused rbd_obj_request_wait() and helpers
  rbd: switch rbd_obj_method_sync() to ceph_osdc_call()
  libceph: pass reply buffer length through ceph_osdc_call()
  rbd: do away with obj_request in rbd_obj_read_sync()
  ...
2017-02-28 15:36:09 -08:00
Takashi Iwai f3ac9f7376 ALSA: seq: Fix link corruption by event error handling
The sequencer FIFO management has a bug that may lead to a corruption
(shortage) of the cell linked list.  When a sequencer client faces an
error at the event delivery, it tries to put back the dequeued cell.
When the first queue was put back, this forgot the tail pointer
tracking, and the link will be screwed up.

Although there is no memory corruption, the sequencer client may stall
forever at exit while flushing the pending FIFO cells in
snd_seq_pool_done(), as spotted by syzkaller.

This patch addresses the missing tail pointer tracking at
snd_seq_fifo_cell_putback().  Also the patch makes sure to clear the
cell->enxt pointer at snd_seq_fifo_event_in() for avoiding a similar
mess-up of the FIFO linked list.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-02-28 22:15:51 +01:00
Linus Torvalds d4f4cf77b3 Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:

 - nommu updates from Afzal Mohammed cleaning up the vectors support

 - allow DMA memory "mapping" for nommu Benjamin Gaignard

 - fixing a correctness issue with R_ARM_PREL31 relocations in the
   module linker

 - add strlen() prototype for the decompressor

 - support for DEBUG_VIRTUAL from Florian Fainelli

 - adjusting memory bounds after memory reservations have been
   registered

 - unipher cache handling updates from Masahiro Yamada

 - initrd and Thumb Kconfig cleanups

* 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: (23 commits)
  ARM: mm: round the initrd reservation to page boundaries
  ARM: mm: clean up initrd initialisation
  ARM: mm: move initrd init code out of arm_memblock_init()
  ARM: 8655/1: improve NOMMU definition of pgprot_*()
  ARM: 8654/1: decompressor: add strlen prototype
  ARM: 8652/1: cache-uniphier: clean up active way setup code
  ARM: 8651/1: cache-uniphier: include <linux/errno.h> instead of <linux/types.h>
  ARM: 8650/1: module: handle negative R_ARM_PREL31 addends correctly
  ARM: 8649/2: nommu: remove Hivecs configuration is asm
  ARM: 8648/2: nommu: display vectors base
  ARM: 8647/2: nommu: dynamic exception base address setting
  ARM: 8646/1: mmu: decouple VECTORS_BASE from Kconfig
  ARM: 8644/1: Reduce "CPU: shutdown" message to debug level
  ARM: 8641/1: treewide: Replace uses of virt_to_phys with __pa_symbol
  ARM: 8640/1: Add support for CONFIG_DEBUG_VIRTUAL
  ARM: 8639/1: Define KERNEL_START and KERNEL_END
  ARM: 8638/1: mtd: lart: Rename partition defines to be prefixed with PART_
  ARM: 8637/1: Adjust memory boundaries after reservations
  ARM: 8636/1: Cleanup sanity_check_meminfo
  ARM: add CPU_THUMB_CAPABLE to indicate possible Thumb support
  ...
2017-02-28 11:50:53 -08:00
Linus Torvalds f89db789de Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "Two documentation updates, plus a debugging annotation fix"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/crash: Update the stale comment in reserve_crashkernel()
  x86/irq, trace: Add __irq_entry annotation to x86's platform IRQ handlers
  Documentation, x86, resctrl: Recommend locking for resctrlfs
2017-02-28 11:46:00 -08:00
Linus Torvalds 65314ed08e Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
 "Two rq-clock warnings related fixes, plus a cgroups related crash fix"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/cgroup: Move sched_online_group() back into css_online() to fix crash
  sched/fair: Update rq clock before changing a task's CPU affinity
  sched/core: Fix update_rq_clock() splat on hotplug (and suspend/resume)
2017-02-28 11:44:01 -08:00
Linus Torvalds 3f26b0c876 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
 "Misc fixes on the kernel and tooling side - nothing in particular
  stands out"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
  perf/core: Fix the perf_cpu_time_max_percent check
  perf/core: Fix perf_event_enable_on_exec() timekeeping (again)
  perf/core: Remove confusing comment and move put_ctx()
  perf record: Honor --quiet option properly
  perf annotate: Add -q/--quiet option
  perf diff: Add -q/--quiet option
  perf report: Add -q/--quiet option
  perf utils: Check verbose flag properly
  perf utils: Add perf_quiet_option()
  perf record: Add -a as default target
  perf stat: Add -a as default target
  perf tools: Fail on using multiple bits long terms without value
  perf tools: Move new_term arguments into struct parse_events_term template
  perf build: Add special fixdep cleaning rule
  perf tools: Replace _SC_NPROCESSORS_CONF with max_present_cpu in cpu_topology_map
  perf header: Make build_cpu_topology skip offline/absent CPUs
  perf cpumap: Add cpu__max_present_cpu()
  perf session: Fix DEBUG=1 build with clang
  tools lib traceevent: It's preempt not prempt
  perf python: Filter out -specs=/a/b/c from the python binding cc options
  ...
2017-02-28 11:38:18 -08:00
Linus Torvalds 74efe07bc3 Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Ingo Molnar:
 "The main change is the uninlining of large refcount_t APIs, plus a
  header dependency fix.

  Note that the uninlining allowed us to enable the underflow/overflow
  warnings unconditionally and remove the debug Kconfig switch: this
  might trigger new warnings in buggy code and turn
  crashes/use-after-free bugs into less harmful memory leaks"

* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/refcounts: Add missing kernel.h header to have UINT_MAX defined
  locking/refcounts: Out-of-line everything
2017-02-28 10:44:16 -08:00
Linus Torvalds e72e58faa7 Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fixes from Ingo Molnar:
 "A handful of objtool fixes related to unreachable code, plus a build
  fix for out of tree modules"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool: Enclose contents of unreachable() macro in a block
  objtool: Prevent GCC from merging annotate_unreachable()
  objtool: Improve detection of BUG() and other dead ends
  objtool: Fix CONFIG_STACK_VALIDATION=y warning for out-of-tree modules
2017-02-28 10:15:59 -08:00
Linus Torvalds 74e3f63ce6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide
Pull IDE updates from David Miller:
 "Just one actual change here this time around, adding some init data
  annotations. The other change was bogus and got reverted"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide:
  ide: palm_bk3710: add __initdata to palm_bk3710_port_info
  Revert "ide: Fix interface autodetection in legacy IDE driver (trial #2)"
  ide: Fix interface autodetection in legacy IDE driver (trial #2)
2017-02-28 10:13:40 -08:00
Linus Torvalds c2eca00fec Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Don't save TIPC header values before the header has been validated,
    from Jon Paul Maloy.

 2) Fix memory leak in RDS, from Zhu Yanjun.

 3) We miss to initialize the UID in the flow key in some paths, from
    Julian Anastasov.

 4) Fix latent TOS masking bug in the routing cache removal from years
    ago, also from Julian.

 5) We forget to set the sockaddr port in sctp_copy_local_addr_list(),
    fix from Xin Long.

 6) Missing module ref count drop in packet scheduler actions, from
    Roman Mashak.

 7) Fix RCU annotations in rht_bucket_nested, from Herbert Xu.

 8) Fix use after free which happens because L2TP's ipv4 support returns
    non-zero values from it's backlog_rcv function which ipv4 interprets
    as protocol values. Fix from Paul Hüber.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (35 commits)
  qed: Don't use attention PTT for configuring BW
  qed: Fix race with multiple VFs
  l2tp: avoid use-after-free caused by l2tp_ip_backlog_recv
  xfrm: provide correct dst in xfrm_neigh_lookup
  rhashtable: Fix RCU dereference annotation in rht_bucket_nested
  rhashtable: Fix use before NULL check in bucket_table_free
  net sched actions: do not overwrite status of action creation.
  rxrpc: Kernel calls get stuck in recvmsg
  net sched actions: decrement module reference count after table flush.
  lib: Allow compile-testing of parman
  ipv6: check sk sk_type and protocol early in ip_mroute_set/getsockopt
  sctp: set sin_port for addr param when checking duplicate address
  net/mlx4_en: fix overflow in mlx4_en_init_timestamp()
  netfilter: nft_set_bitmap: incorrect bitmap size
  net: s2io: fix typo argumnet argument
  net: vxge: fix typo argumnet argument
  netfilter: nf_ct_expect: Change __nf_ct_expect_check() return value.
  ipv4: mask tos for input route
  ipv4: add missing initialization for flowi4_uid
  lib: fix spelling mistake: "actualy" -> "actually"
  ...
2017-02-28 10:00:39 -08:00
Jaegeuk Kim 900f736251 f2fs: avoid to flush nat journal entries
This patch adds a missing condition which flushes nat journal entries
unnecessarily introduced by:

    f2fs: add bitmaps for empty or full NAT blocks

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2017-02-28 09:57:13 -08:00
Takashi Iwai 493de34274 ALSA: hda - Add subwoofer support for Dell Inspiron 17 7000 Gaming
Dell Inspiron 17 7000 Gaming laptop needs a similar quirk like
Inspiron 7599 to support its subwoofer speaker.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=194191
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-02-28 17:58:05 +01:00
Takashi Iwai 15c75b09f8 ALSA: ctxfi: Fallback DMA mask to 32bit
Currently ctxfi driver tries to set only the 64bit DMA mask on 64bit
architectures, and bails out if it fails.  This causes a problem on
some platforms since the 64bit DMA isn't always guaranteed.  We should
fall back to the default 32bit DMA when 64bit DMA fails.

Fixes: 6d74b86d3c ("ALSA: ctxfi - Allow 64bit DMA")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2017-02-28 17:58:02 +01:00
Joerg Roedel b7a42b9d38 iommu/amd: Fix crash when accessing AMD-Vi sysfs entries
The link between the iommu sysfs-device and the struct
amd_iommu is no longer stored as driver-data. Update the
code to the new correct way of getting from device to
amd_iommu.

Reported-by: Dave Jones <davej@codemonkey.org.uk>
Fixes: 39ab9555c2 ('iommu: Add sysfs bindings for struct iommu_device')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2017-02-28 15:48:23 +01:00