[PATCH 4/4] MMU_NOTIFIRES: add set_pte_at_notify()

this macro allow setting the pte in the shadow page tables directly instead of flushing the shadow page table entry and then get vmexit in order to set it. This function is optimzation for kvm/users of mmu_notifiers for COW pages, it is useful for kvm when ksm is used beacuse it allow kvm not to

[PATCH 4/4] MMU_NOTIFIRES: add set_pte_at_notify()

From: Izik Eidus [EMAIL PROTECTED] this function is optimzation for kvm/users of mmu_notifiers for COW pages, it is useful for kvm when ksm is used beacuse it allow kvm not to have to recive VMEXIT and only then map the shared page into the mmu shadow pages, but instead map it directly at the