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由 Alexander Graf 提交于
When the guest activates the FPU, we load it up. That's fine when it wasn't activated before on the host, but if it was we end up reloading FPU values from last time the FPU was deactivated on the host without writing the proper values back to the vcpu struct. This patch checks if the FPU is enabled already and if so just doesn't bother activating it, making FPU operations survive guest context switches. Signed-off-by: NAlexander Graf <agraf@suse.de> Signed-off-by: NAvi Kivity <avi@redhat.com>
c2453693