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authorAndi Kleen <ak@suse.de>2007-10-19 14:35:04 -0400
committerThomas Gleixner <tglx@linutronix.de>2007-10-19 14:35:04 -0400
commitab483570a13be2a34c0502b166df8f8b26802103 (patch)
tree6f9997b9313227b25faf28d67fe6e06d001022cc /Documentation/SAK.txt
parent124d395fd05efb65d00ca23c7bcc86c272bd8813 (diff)
x86 & generic: change to __builtin_prefetch()
gcc 3.2+ supports __builtin_prefetch, so it's possible to use it on all architectures. Change the generic fallback in linux/prefetch.h to use it instead of noping it out. gcc should do the right thing when the architecture doesn't support prefetching Undefine the x86-64 inline assembler version and use the fallback. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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