Andi Kleen
ab483570a1
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 >
2007-10-19 20:35:04 +02:00
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