KVM: Fetch guest cr3 from hardware on demand

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Instead of syncing the guest cr3 every exit, which is expensince on vmx
with ept enabled, sync it only on demand.

[sheng: fix incorrect cr3 seen by Windows XP]

Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

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This commit is contained in:

Avi Kivity 2010-12-05 18:56:11 +02:00

parent 9f8fe5043f

commit aff48baa34

5 changed files with 23 additions and 6 deletions

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2

arch/x86/include/asm/kvm_host.h

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2

arch/x86/kvm/kvm_cache_regs.h

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5

arch/x86/kvm/svm.c

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18

arch/x86/kvm/vmx.c

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2

arch/x86/kvm/x86.c

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