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author | Oleg Nesterov <oleg@redhat.com> | 2016-09-08 18:48:15 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2016-09-30 10:53:44 +0200 |
commit | b1ea06a90f528e516929a4da1d9b8838752bceb9 (patch) | |
tree | ca58fca505c7411b393047842c0eaedfe7c4ead0 /kernel/cpuset.c | |
parent | 38a3e1fc1dac480f3672ab22fc97e1f995c80ed7 (diff) | |
download | op-kernel-dev-b1ea06a90f528e516929a4da1d9b8838752bceb9.zip op-kernel-dev-b1ea06a90f528e516929a4da1d9b8838752bceb9.tar.gz |
sched/wait: Avoid abort_exclusive_wait() in ___wait_event()
___wait_event() doesn't really need abort_exclusive_wait(), we can simply
change prepare_to_wait_event() to remove the waiter from q->task_list if
it was interrupted.
This simplifies the code/logic, and this way prepare_to_wait_event() can
have more users, see the next change.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Bart Van Assche <bvanassche@acm.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Neil Brown <neilb@suse.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160908164815.GA18801@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
--
include/linux/wait.h | 7 +------
kernel/sched/wait.c | 35 +++++++++++++++++++++++++----------
2 files changed, 26 insertions(+), 16 deletions(-)
Diffstat (limited to 'kernel/cpuset.c')
0 files changed, 0 insertions, 0 deletions