KVM: VMX: Add facility to atomically switch MSRs on guest entry/exit

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Some guest msr values cannot be used on the host (for example. EFER.NX=0),
so we need to switch them atomically during guest entry or exit.

Add a facility to program the vmx msr autoload registers accordingly.

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

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Avi Kivity 2010-04-28 16:40:38 +03:00

parent 5dfa3d170e

commit 61d2ef2ce3

1 changed files with 49 additions and 0 deletions

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arch/x86/kvm/vmx.c

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