linux-kernel - [GIT PULL] sched/wait changes for v4.17

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Date:   Mon, 2 Apr 2018 12:23:49 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: [GIT PULL] sched/wait changes for v4.17

Linus,

Please pull the latest sched-wait-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched-wait-for-linus

   # HEAD: b3fc5c9bb373661224906bf434c09ca0de032e82 sched/wait: Improve __var_waitqueue() code generation

NOTE: this tree depends on the sched/core tree - if you have not pulled that tree 
      then please disregard this pull request.

This tree introduces the new wait_var_event() API, which is a more flexible 
waiting primitive than wait_on_atomic_t(). All wait_on_atomic_t() users are 
migrated over to the new API and wait_on_atomic_t() is removed. The migration 
fixes one bug and should result in no functional changes for the other usecases.

 Thanks,

	Ingo

------------------>
Peter Zijlstra (11):
      sched/wait: Introduce wait_var_event()
      sched/wait, drivers/drm: Convert wait_on_atomic_t() usage to the new wait_var_event() API
      sched/wait, drivers/media: Convert wait_on_atomic_t() usage to the new wait_var_event() API
      sched/wait, fs/afs: Convert wait_on_atomic_t() usage to the new wait_var_event() API
      sched/wait, fs/btrfs: Convert wait_on_atomic_t() usage to the new wait_var_event() API
      sched/wait, fs/fscache: Convert wait_on_atomic_t() usage to the new wait_var_event() API
      sched/wait, fs/nfs: Convert wait_on_atomic_t() usage to the new wait_var_event() API
      sched/wait, fs/ocfs2: Convert wait_on_atomic_t() usage to the new wait_var_event() API
      sched/wait, arch/mips: Fix and convert wait_on_atomic_t() usage to the new wait_var_event() API
      sched/wait: Remove the wait_on_atomic_t() API
      sched/wait: Improve __var_waitqueue() code generation


 arch/mips/kernel/process.c                         |   2 +
 arch/mips/kernel/traps.c                           |   4 +-
 drivers/gpu/drm/drm_dp_aux_dev.c                   |  13 +--
 drivers/gpu/drm/i915/selftests/intel_breadcrumbs.c |  14 +--
 drivers/media/platform/qcom/venus/hfi.c            |   8 +-
 fs/afs/cell.c                                      |   6 +-
 fs/afs/rxrpc.c                                     |   6 +-
 fs/afs/server.c                                    |   6 +-
 fs/btrfs/extent-tree.c                             |  14 ++-
 fs/btrfs/ioctl.c                                   |   2 +-
 fs/fscache/cookie.c                                |   7 +-
 fs/nfs/inode.c                                     |   5 -
 fs/nfs/pagelist.c                                  |   6 +-
 fs/nfs/pnfs_nfs.c                                  |   2 +-
 fs/nfs/write.c                                     |   6 +-
 fs/ocfs2/filecheck.c                               |   9 +-
 include/linux/fscache-cache.h                      |   2 +-
 include/linux/wait_bit.h                           |  95 +++++++++++++-----
 kernel/sched/wait_bit.c                            | 110 +++++----------------
 19 files changed, 147 insertions(+), 170 deletions(-)