Author: luigi
Date: Thu Jul 26 21:37:58 2012
New Revision: 238818
URL: http://svn.freebsd.org/changeset/base/238818
Log:
define prefetch as a noop on !x86
Modified:
head/sys/dev/netmap/netmap.c
Modified: head/sys/dev/netmap/netmap.c
==============================================================================
--- head/sys/dev/netmap/netmap.c Thu Jul 26 20:41:36 2012
(r238817)
+++ head/sys/dev/netmap/netmap.c Thu Jul 26 21:37:58 2012
(r238818)
@@ -220,7 +220,11 @@ struct nm_bridge nm_bridges[NM_BRIDGES];
#ifndef linux
static inline void prefetch (const void *x)
{
+#if defined(__i386__) || defined(__amd64__)
__asm volatile("prefetcht0 %0" :: "m" (*(const unsigned long *)x));
+#else
+ (void)x;
+#endif
}
#endif /* !linux */
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