[PATCH] x86-64: Synchronize RDTSC on single core AMD
There is no guarantee that two RDTSCs in a row are monotonic,
so don't assume it on single core AMD systems.
This will make gettimeofday slower again
Signed-off-by: NAndi Kleen <ak@suse.de>
Showing
想要评论请 注册 或 登录