* [PATCH] 3DNOW optimization fix
@ 2001-08-25 23:40 Anders Peter Fugmann
0 siblings, 0 replies; only message in thread
From: Anders Peter Fugmann @ 2001-08-25 23:40 UTC (permalink / raw)
To: Alan Cox; +Cc: Linux Kernel Mailing List
As noted by Andreas Franck, the assembler instruction for
write prefetch is mistakenly a read prefetch. Below is for
linux-2.4.8-ac11 that corrects the error.
Regards
Anders Fugmann
--
--- linux/include/asm-i386/processor.h~ Sun Aug 26 01:18:12 2001
+++ linux/include/asm-i386/processor.h Sun Aug 26 01:22:36 2001
@@ -501,7 +502,7 @@
extern inline void prefetchw(const void *x)
{
- __asm__ __volatile__ ("prefetch (%0)" : : "r"(x));
+ __asm__ __volatile__ ("prefetchw (%0)" : : "r"(x));
}
#define spin_lock_prefetch(x) prefetchw(x)
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2001-08-25 23:40 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2001-08-25 23:40 [PATCH] 3DNOW optimization fix Anders Peter Fugmann
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.