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-rw-r--r--arch/x86/kvm/vmx/posted_intr.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kvm/vmx/posted_intr.c b/arch/x86/kvm/vmx/posted_intr.c
index b72dbe80f87a..a1ce598e9544 100644
--- a/arch/x86/kvm/vmx/posted_intr.c
+++ b/arch/x86/kvm/vmx/posted_intr.c
@@ -54,7 +54,7 @@ void vmx_vcpu_pi_load(struct kvm_vcpu *vcpu, int cpu)
/* The full case. */
do {
- old.control = new.control = pi_desc->control;
+ old.control = new.control = READ_ONCE(pi_desc->control);
dest = cpu_physical_id(cpu);
@@ -107,7 +107,7 @@ static void __pi_post_block(struct kvm_vcpu *vcpu)
unsigned int dest;
do {
- old.control = new.control = pi_desc->control;
+ old.control = new.control = READ_ONCE(pi_desc->control);
WARN(old.nv != POSTED_INTR_WAKEUP_VECTOR,
"Wakeup handler not enabled while the VCPU is blocked\n");
@@ -160,7 +160,7 @@ int pi_pre_block(struct kvm_vcpu *vcpu)
spin_unlock(&per_cpu(blocked_vcpu_on_cpu_lock, vcpu->cpu));
do {
- old.control = new.control = pi_desc->control;
+ old.control = new.control = READ_ONCE(pi_desc->control);
WARN((pi_desc->sn == 1),
"Warning: SN field of posted-interrupts "