On Mon, May 03, 2010 at 05:18:54PM +0300, Avi Kivity wrote: > cr0.ts may change between entries, so we copy cr0 to HOST_CR0 before each > entry. That is slow, so instead, set HOST_CR0 to have TS set unconditionally > (which is a safe value), and issue a clts() just before exiting vcpu context > if the task indeed owns the fpu. > > Saves ~50 cycles/exit. > > Signed-off-by: Avi Kivity <avi@xxxxxxxxxx> Looks good to me. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
