KVM: Flush remote tlbs when reducing shadow pte permissions

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When a vcpu causes a shadow tlb entry to have reduced permissions, it
must also clear the tlb on remote vcpus.  We do that by:

- setting a bit on the vcpu that requests a tlb flush before the next entry
- if the vcpu is currently executing, we send an ipi to make sure it
  exits before we continue

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

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This commit is contained in:

Avi Kivity 2007-06-07 19:18:30 +03:00

parent 39c3b86e5c

commit d9e368d612

5 changed files with 84 additions and 15 deletions

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8

drivers/kvm/kvm.h

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44

drivers/kvm/kvm_main.c

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8

drivers/kvm/mmu.c

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17

drivers/kvm/svm.c

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22

drivers/kvm/vmx.c

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