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Properly handle prefetch only for amd64 and i386 as we do elsewhere.

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In general theraven is right that we should factr this out and provide
a general and per-arch implementation that everything can use.

MFC after:	3 days
X-MFC with:	r270755
This commit is contained in:
Bjoern A. Zeeb 2014-08-29 12:40:01 +00:00
parent d3b06cf2be
commit f894ad8848
1 changed files with 4 additions and 0 deletions
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4
sys/dev/ixl/i40e_osdep.h
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@ -137,11 +137,15 @@ struct i40e_spinlock {
#define le16_to_cpu
#if defined(__amd64__) || defined(i386)
static __inline
void prefetch(void *x)
{
__asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
}
#else
#define prefetch(x)
#endif
struct i40e_osdep
{