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-rw-r--r--include/asm-i386/spinlock.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-i386/spinlock.h b/include/asm-i386/spinlock.h
index 7e29b51bcaa..87c40f83065 100644
--- a/include/asm-i386/spinlock.h
+++ b/include/asm-i386/spinlock.h
@@ -68,6 +68,12 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
"=m" (lock->slock) : : "memory");
}
+/*
+ * It is easier for the lock validator if interrupts are not re-enabled
+ * in the middle of a lock-acquire. This is a performance feature anyway
+ * so we turn it off:
+ */
+#ifndef CONFIG_PROVE_LOCKING
static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
{
alternative_smp(
@@ -75,6 +81,7 @@ static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long fla
__raw_spin_lock_string_up,
"=m" (lock->slock) : "r" (flags) : "memory");
}
+#endif
static inline int __raw_spin_trylock(raw_spinlock_t *lock)
{