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authorAvi Kivity <avi@redhat.com>2010-01-21 15:31:51 +0200
committerMarcelo Tosatti <mtosatti@redhat.com>2010-03-01 12:36:05 -0300
commit8ae099127668de80e4babba73bb492740ce3a1be (patch)
tree2485d31b421b83edac00161fb32b5ee049655254 /include/trace
parentf6801dff23bd1902473902194667f4ac1eb6ea26 (diff)
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blackbird-op-linux-8ae099127668de80e4babba73bb492740ce3a1be.zip
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>
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