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Xiao Guangrong authored
If the page fault is caused by write access on write tracked page, the real shadow page walking is skipped, we lost the chance to clear write flooding for the page structure current vcpu is using Fix it by locklessly waking shadow page table to clear write flooding on the shadow page structure out of mmu-lock. So that we change the count to atomic_t Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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