Commit-ID: 3bea9adc96842b8a7345c7fb202c16ae9c8d5b25 Gitweb: https://git.kernel.org/tip/3bea9adc96842b8a7345c7fb202c16ae9c8d5b25 Author: Will Deacon <will.dea...@arm.com> AuthorDate: Fri, 27 Apr 2018 10:40:13 +0100 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Fri, 27 Apr 2018 12:55:22 +0200
locking/qspinlock: Remove duplicate clear_pending() function from PV code The native clear_pending() function is identical to the PV version, so the latter can simply be removed. This fixes the build for systems with >= 16K CPUs using the PV lock implementation. Reported-by: Waiman Long <long...@redhat.com> Signed-off-by: Will Deacon <will.dea...@arm.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Thomas Gleixner <t...@linutronix.de> Cc: boqun.f...@gmail.com Cc: linux-arm-ker...@lists.infradead.org Cc: paul...@linux.vnet.ibm.com Link: http://lkml.kernel.org/r/20180427101619.gb21...@arm.com Signed-off-by: Ingo Molnar <mi...@kernel.org> --- kernel/locking/qspinlock_paravirt.h | 5 ----- 1 file changed, 5 deletions(-) diff --git a/kernel/locking/qspinlock_paravirt.h b/kernel/locking/qspinlock_paravirt.h index 25730b2ac022..5a0cf5f9008c 100644 --- a/kernel/locking/qspinlock_paravirt.h +++ b/kernel/locking/qspinlock_paravirt.h @@ -130,11 +130,6 @@ static __always_inline void set_pending(struct qspinlock *lock) atomic_or(_Q_PENDING_VAL, &lock->val); } -static __always_inline void clear_pending(struct qspinlock *lock) -{ - atomic_andnot(_Q_PENDING_VAL, &lock->val); -} - static __always_inline int trylock_clear_pending(struct qspinlock *lock) { int val = atomic_read(&lock->val);
