From: Eric Auger <eric.auger@xxxxxxxxxx>
Preemption must be disabled when calling smp_call_function_many
Reported-by: bartosz.wawrzyniak@xxxxxxxxx
Signed-off-by: Eric Auger <eric.auger@xxxxxxxxxx>
Signed-off-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx>
---
arch/arm/kvm/arm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 3e0fb66..6accd66 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -373,7 +373,9 @@ static void exit_vm_noop(void *info)
void force_vm_exit(const cpumask_t *mask)
{
+ preempt_disable();
smp_call_function_many(mask, exit_vm_noop, NULL, true);
+ preempt_enable();
}
/**
--
2.1.2.330.g565301e.dirty
_______________________________________________
kvmarm mailing list
kvmarm@xxxxxxxxxxxxxxxxxxxxx
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
