diff options
| -rw-r--r-- | virt/kvm/kvm_main.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 629760c0fb95..0f979f02bf1c 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -369,6 +369,14 @@ static int kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn, int need_tlb_flush = 0, idx; int ret; + /* + * Nothing to do when using change_pte() which will be call for each + * individual pte update at the right time. See mmu_notifier.h for more + * informations. + */ + if (mmu_notifier_range_use_change_pte(range)) + return 0; + idx = srcu_read_lock(&kvm->srcu); spin_lock(&kvm->mmu_lock); /* @@ -399,6 +407,14 @@ static void kvm_mmu_notifier_invalidate_range_end(struct mmu_notifier *mn, { struct kvm *kvm = mmu_notifier_to_kvm(mn); + /* + * Nothing to do when using change_pte() which will be call for each + * individual pte update at the right time. See mmu_notifier.h for more + * informations. + */ + if (mmu_notifier_range_use_change_pte(range)) + return; + spin_lock(&kvm->mmu_lock); /* * This sequence increase will notify the kvm page fault that |