Merge branch 'master' into mm-stable

1 files changed, 6 insertions, 2 deletions

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 44c47670447a..a49df8988cd6 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3328,9 +3328,11 @@ bool kvm_vcpu_block(struct kvm_vcpu *vcpu)
 
 	vcpu->stat.generic.blocking = 1;
 
+	preempt_disable();
 	kvm_arch_vcpu_blocking(vcpu);
-
 	prepare_to_rcuwait(wait);
+	preempt_enable();
+
 	for (;;) {
 		set_current_state(TASK_INTERRUPTIBLE);
 
@@ -3340,9 +3342,11 @@ bool kvm_vcpu_block(struct kvm_vcpu *vcpu)
 		waited = true;
 		schedule();
 	}
-	finish_rcuwait(wait);
 
+	preempt_disable();
+	finish_rcuwait(wait);
 	kvm_arch_vcpu_unblocking(vcpu);
+	preempt_enable();
 
 	vcpu->stat.generic.blocking = 0;