KVM/x86: Call smp_wmb() before increasing tlbs_dirty

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Update spte before increasing tlbs_dirty to make sure no tlb flush
in lost after spte is zapped. This pairs with the barrier in the
kvm_flush_remote_tlbs().

Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Lan Tianyu 2016-03-13 11:10:27 +08:00 • committed by Paolo Bonzini

parent a30a050916

commit 7bfdf21778

1 changed files with 11 additions and 0 deletions

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arch/x86/kvm/paging_tmpl.h

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