KVM: MMU: skip obsolete sp in for_each_gfn_*()

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The obsolete sp should not be used on current vCPUs and should not hurt
vCPU's running, so skip it from for_each_gfn_sp() and
for_each_gfn_indirect_valid_sp()

The side effort is we will double check role.invalid in kvm_mmu_get_page()
but i think it is okay as role is well cached

Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Xiao Guangrong 2016-03-25 21:19:38 +08:00 • committed by Radim Krčmář

parent c54cdf141c

commit 46971a2f59

1 changed files with 12 additions and 16 deletions

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arch/x86/kvm/mmu.c

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