KVM: VMX: shadow VM_(ENTRY|EXIT)_CONTROLS vmcs field

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VM_(ENTRY|EXIT)_CONTROLS vmcs fields are read/written on each guest
entry but most times it can be avoided since values do not changes.
Keep fields copy in memory to avoid unnecessary reads from vmcs.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Gleb Natapov 2013-11-25 15:37:13 +02:00 • committed by Paolo Bonzini

parent 8494bd0e86

commit 2961e8764f

1 changed files with 85 additions and 27 deletions

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arch/x86/kvm/vmx.c

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