Commits
Sean Christopherson committed 4771450c345
Revert "KVM: MMU: drop kvm_mmu_zap_mmio_sptes" Revert back to a dedicated (and slower) mechanism for handling the scenario where all MMIO shadow PTEs need to be zapped due to overflowing the MMIO generation number. The MMIO generation scenario is almost literally a one-in-a-million occurrence, i.e. is not a performance sensitive scenario. Restoring kvm_mmu_zap_mmio_sptes() leaves VM teardown as the only user of kvm_mmu_invalidate_zap_all_pages() and paves the way for removing the fast invalidate mechanism altogether. This reverts commit a8eca9dcc656a405a28ffba43f3d86a1ff0eb331. Cc: Xiao Guangrong <guangrong.xiao@gmail.com> Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>