[PATCH] KVM: VMX: WARN on invalid vmptrld or vmclear

[Paolo Bonzini]

Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
 arch/x86/kvm/vmx/ops.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/vmx/ops.h b/arch/x86/kvm/vmx/ops.h
index 2200fb698dd0..b143cee701c3 100644
--- a/arch/x86/kvm/vmx/ops.h
+++ b/arch/x86/kvm/vmx/ops.h
@@ -186,7 +186,7 @@ static inline void vmcs_clear(struct vmcs *vmcs)
 
        asm volatile (__ex("vmclear %1") CC_SET(na)
                      : CC_OUT(na) (error) : "m"(phys_addr));
-       if (unlikely(error))
+       if (WARN_ON_ONCE(error))
                printk(KERN_ERR "kvm: vmclear fail: %p/%llx\n",
                       vmcs, phys_addr);
 }
@@ -201,7 +201,7 @@ static inline void vmcs_load(struct vmcs *vmcs)
 
        asm volatile (__ex("vmptrld %1") CC_SET(na)
                      : CC_OUT(na) (error) : "m"(phys_addr));
-       if (unlikely(error))
+       if (WARN_ON_ONCE(error))
                printk(KERN_ERR "kvm: vmptrld %p/%llx failed\n",
                       vmcs, phys_addr);
 }
-- 
1.8.3.1