On 02/19/2016 07:55 PM, Paolo Bonzini wrote:
On 14/02/2016 12:31, Xiao Guangrong wrote:
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
Should this be moved earlier in the series, so that the issue never
surfaces?
Okay, i will move it to the place that is behind:
[PATCH v3 06/11] KVM: MMU: let page fault handler be aware tracked page
