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| author | grehan <grehan@FreeBSD.org> | 2004-08-07 00:20:00 +0000 |
|---|---|---|
| committer | grehan <grehan@FreeBSD.org> | 2004-08-07 00:20:00 +0000 |
| commit | e6ca9c76da62a41f4dc855eb503ed636803dfec6 (patch) | |
| tree | ffbfb48eaa09b53df94595ebeae8138eb50dc03f /sys/powerpc/include/cpufunc.h | |
| parent | ef39095fcde6ac8b10d0df19b180c0124ee6745c (diff) | |
| download | FreeBSD-src-e6ca9c76da62a41f4dc855eb503ed636803dfec6.zip FreeBSD-src-e6ca9c76da62a41f4dc855eb503ed636803dfec6.tar.gz | |
Always isync after a mtmsr. While perhaps not strictly necessary for PSL_EE
bit banging according to the OEA, it's better to be conservative than
having to continually audit uses of this inline.
Diffstat (limited to 'sys/powerpc/include/cpufunc.h')
| -rw-r--r-- | sys/powerpc/include/cpufunc.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/powerpc/include/cpufunc.h b/sys/powerpc/include/cpufunc.h index 84be33d..f02ff3b 100644 --- a/sys/powerpc/include/cpufunc.h +++ b/sys/powerpc/include/cpufunc.h @@ -65,7 +65,7 @@ static __inline void mtmsr(register_t value) { - __asm __volatile ("mtmsr %0" :: "r"(value)); + __asm __volatile ("mtmsr %0; isync" :: "r"(value)); } static __inline register_t |
