Avi Kivity 8ae0991276 KVM: Optimize kvm_read_cr[04]_bits() ...

'mask' is always a constant, so we can check whether it includes a bit that
might be owned by the guest very cheaply, and avoid the decache call.  Saves
a few hundred bytes of module text.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

2010-03-01 12:36:05 -03:00

1.9 KiB

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