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Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/kvm_main.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 0df592c4f09f..f986e31fa68c 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -140,9 +140,10 @@ static void kvm_uevent_notify_change(unsigned int type, struct kvm *kvm);
static unsigned long long kvm_createvm_count;
static unsigned long long kvm_active_vms;
-__weak void kvm_arch_mmu_notifier_invalidate_range(struct kvm *kvm,
- unsigned long start, unsigned long end)
+__weak int kvm_arch_mmu_notifier_invalidate_range(struct kvm *kvm,
+ unsigned long start, unsigned long end, bool blockable)
{
+ return 0;
}
bool kvm_is_reserved_pfn(kvm_pfn_t pfn)
@@ -360,13 +361,15 @@ static void kvm_mmu_notifier_change_pte(struct mmu_notifier *mn,
srcu_read_unlock(&kvm->srcu, idx);
}
-static void kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn,
+static int kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long start,
- unsigned long end)
+ unsigned long end,
+ bool blockable)
{
struct kvm *kvm = mmu_notifier_to_kvm(mn);
int need_tlb_flush = 0, idx;
+ int ret;
idx = srcu_read_lock(&kvm->srcu);
spin_lock(&kvm->mmu_lock);
@@ -384,9 +387,11 @@ static void kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn,
spin_unlock(&kvm->mmu_lock);
- kvm_arch_mmu_notifier_invalidate_range(kvm, start, end);
+ ret = kvm_arch_mmu_notifier_invalidate_range(kvm, start, end, blockable);
srcu_read_unlock(&kvm->srcu, idx);
+
+ return ret;
}
static void kvm_mmu_notifier_invalidate_range_end(struct mmu_notifier *mn,