diff options
| author | Waiman Long <Waiman.Long@hpe.com> | 2015-09-11 14:37:34 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-09-18 09:27:29 +0200 |
| commit | 93edc8bd7750ff3cae088bfca453ea73dc9004a4 (patch) | |
| tree | 0a2b12864982e91c8a3b2e0cd8fa41c65d6ec3ee /kernel/locking/rwsem-xadd.c | |
| parent | c55a6ffa6285e29f874ed403979472631ec70bff (diff) | |
locking/pvqspinlock: Kick the PV CPU unconditionally when _Q_SLOW_VAL
If _Q_SLOW_VAL has been set, the vCPU state must have been vcpu_hashed.
The extra check at the end of __pv_queued_spin_unlock() is unnecessary
and can be removed.
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Douglas Hatch <doug.hatch@hp.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Scott J Norton <scott.norton@hp.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1441996658-62854-3-git-send-email-Waiman.Long@hpe.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/locking/rwsem-xadd.c')
0 files changed, 0 insertions, 0 deletions