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| author | Will Deacon <will.deacon@arm.com> | 2018-04-27 10:40:13 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-04-27 12:55:22 +0200 |
| commit | 3bea9adc96842b8a7345c7fb202c16ae9c8d5b25 (patch) | |
| tree | 3797bf32be475dd99100a9f4d7b725923ee8f9f3 /kernel/locking | |
| parent | baa8c6ddf7be33f2b0ddeb68906d668caf646baa (diff) | |
| download | linux-stable-3bea9adc96842b8a7345c7fb202c16ae9c8d5b25.tar.gz linux-stable-3bea9adc96842b8a7345c7fb202c16ae9c8d5b25.tar.bz2 linux-stable-3bea9adc96842b8a7345c7fb202c16ae9c8d5b25.zip | |
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 <longman@redhat.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: boqun.feng@gmail.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: paulmck@linux.vnet.ibm.com
Link: http://lkml.kernel.org/r/20180427101619.GB21705@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/locking')
| -rw-r--r-- | kernel/locking/qspinlock_paravirt.h | 5 |
1 files changed, 0 insertions, 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); |