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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2014-05-27 20:28:56 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2014-05-27 20:28:56 +0200 |
| commit | dc1631b7dc508cb67fa6983007ddba3a2314d6bf (patch) | |
| tree | b6dd9a0fb4f5bed2ba9fb7c1c1c3b091c7c32400 /i386 | |
| parent | 306d763d872bae2a1cc23fe13b769cace8198a3a (diff) | |
Add missing memory clobber
* i386/i386/xen.h (mb, rmb, wmb): Add memory clobber.
Diffstat (limited to 'i386')
| -rw-r--r-- | i386/i386/xen.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/i386/i386/xen.h b/i386/i386/xen.h index 5bdaf0b8..638d6713 100644 --- a/i386/i386/xen.h +++ b/i386/i386/xen.h @@ -33,7 +33,7 @@ /* TODO: this should be moved in appropriate non-Xen place. */ #define barrier() __asm__ __volatile__ ("": : :"memory") -#define mb() __asm__ __volatile__("lock; addl $0,0(%esp)") +#define mb() __asm__ __volatile__("lock; addl $0,0(%%esp)":::"memory") #define rmb() mb() #define wmb() mb() MACH_INLINE unsigned long xchgl(volatile unsigned long *ptr, unsigned long x) |