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authorLan Tianyu <tianyu.lan@intel.com>2016-03-13 11:10:27 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2016-03-22 16:38:32 +0100
commit7bfdf2177812c30928bea3fc8bc86b9dea236f65 (patch)
treee223ff4e6069fa945c19c3e0be5d5393abf2376c /virt
parenta30a0509165d9bc5a3107894338e6adf4be7b60f (diff)
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KVM/x86: Call smp_wmb() before increasing tlbs_dirty
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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