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| author | Rich Felker <dalias@aerifal.cx> | 2014-07-19 18:34:10 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2014-07-19 18:34:10 -0400 |
| commit | 522a0de2101abd12b19a4d2ba5c09abbb7c5fc79 (patch) | |
| tree | ec69aac4b41ddc9033a0708fc22ac2bfdd720e7c | |
| parent | 884cc0c7e253601b96902120ed689f34d12f8aa0 (diff) | |
| download | musl-522a0de2101abd12b19a4d2ba5c09abbb7c5fc79.tar.gz musl-522a0de2101abd12b19a4d2ba5c09abbb7c5fc79.tar.xz musl-522a0de2101abd12b19a4d2ba5c09abbb7c5fc79.zip | |
fix missing barriers in powerpc atomic store
| -rw-r--r-- | arch/powerpc/atomic.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/atomic.h b/arch/powerpc/atomic.h index c4ad40cd..a082c09b 100644 --- a/arch/powerpc/atomic.h +++ b/arch/powerpc/atomic.h @@ -77,7 +77,11 @@ static inline void a_dec(volatile int *x) static inline void a_store(volatile int *p, int x) { - *p=x; + __asm__ __volatile__ ("\n" + " sync\n" + " stw %1, %0\n" + " isync\n" + : "=m"(*p) : "r"(x) : "memory" ); } static inline void a_spin() |