Commits
Waiman Long committed c0dc373a780
locking/pvqspinlock/x86: Use LOCK_PREFIX in __pv_queued_spin_unlock() assembly code The LOCK_PREFIX macro should be used in the __raw_callee_save___pv_queued_spin_unlock() assembly code, so that the lock prefix can be patched out on UP systems. Signed-off-by: Waiman Long <longman@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Joe Mario <jmario@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Will Deacon <will.deacon@arm.com> Link: http://lkml.kernel.org/r/1531858560-21547-1-git-send-email-longman@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>