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(parent: a3ede85) | patch
KVM: VMX: add support for switching of PERF_GLOBAL_CTRL
authorGleb Natapov <gleb@redhat.com>
Wed, 5 Oct 2011 12:01:22 +0000 (14:01 +0200)
committerAvi Kivity <avi@redhat.com>
Thu, 17 Nov 2011 14:27:54 +0000 (16:27 +0200)
commit95b011249fcf1a25ddc0c2e6108ce29903bed796
tree10b03537524c8dcc14f9398e4890a2b450691d20tree | snapshot
parenta3ede85133bd0666f57e6502a1321ab7f5f0be3acommit | 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>
arch/x86/kvm/vmx.c diff | blob | history
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