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authorGleb Natapov <gleb@redhat.com>2011-10-05 08:01:22 -0400
committerAvi Kivity <avi@redhat.com>2011-11-17 09:27:54 -0500
commit8bf00a529967dafbbb210b377c38a15834d1e979 (patch)
tree10b03537524c8dcc14f9398e4890a2b450691d20 /Documentation/SAK.txt
parent52e16b185fdd0aeb0522c203e944873e38ac1575 (diff)
KVM: VMX: add support for switching of PERF_GLOBAL_CTRL
Some cpus have special support for switching PERF_GLOBAL_CTRL msr. Add logic to detect if such support exists and works properly and extend msr switching code to use it if available. Also extend number of generic msr switching entries to 8. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
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