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(parent: 0d1b1dc) | 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)
commit644936af875abbd96a362280e8636dcb9908a953
tree10b03537524c8dcc14f9398e4890a2b450691d20tree | snapshot
parent0d1b1dc1a76678466692170af0854dd968b51e65commit | 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
Linux Kernel Source Tree.