aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/qrwlock.h
blob: 70f46f07f94e3c72f84b922b74df12f277682f53 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
#ifndef _ASM_X86_QRWLOCK_H
#define _ASM_X86_QRWLOCK_H

#include <asm-generic/qrwlock_types.h>

#if !defined(CONFIG_X86_OOSTORE) && !defined(CONFIG_X86_PPRO_FENCE)
#define queue_write_unlock queue_write_unlock
static inline void queue_write_unlock(struct qrwlock *lock)
{
        barrier();
        ACCESS_ONCE(*(u8 *)&lock->cnts) = 0;
}
#endif

#include <asm-generic/qrwlock.h>

#endif /* _ASM_X86_QRWLOCK_H */