Author: bz
Date: Fri Aug 29 12:40:01 2014
New Revision: 270806
URL: http://svnweb.freebsd.org/changeset/base/270806
Log:
Properly handle prefetch only for amd64 and i386 as we do elsewhere.
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
Modified:
head/sys/dev/ixl/i40e_osdep.h
Modified: head/sys/dev/ixl/i40e_osdep.h
==============================================================================
--- head/sys/dev/ixl/i40e_osdep.h Fri Aug 29 11:18:54 2014
(r270805)
+++ head/sys/dev/ixl/i40e_osdep.h Fri Aug 29 12:40:01 2014
(r270806)
@@ -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
{
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