Commit 16d8f72f authored by Avi Kivity's avatar Avi Kivity
Browse files

KVM: VMX: Correct asm constraint in vmcs_load()/vmcs_clear() 



'error' is byte sized, so use a byte register constraint.

Acked-by: default avatarRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent c445f8ef

arch/x86/kvm/vmx.c

+2 −2
Original line number Diff line number Diff line
@@ -477,7 +477,7 @@ static void vmcs_clear(struct vmcs *vmcs) 
	u8 error;



	asm volatile (__ex(ASM_VMX_VMCLEAR_RAX) "; setna %0"

		      : "=g"(error) : "a"(&phys_addr), "m"(phys_addr)

		      : "=qm"(error) : "a"(&phys_addr), "m"(phys_addr)

		      : "cc", "memory");

	if (error)

		printk(KERN_ERR "kvm: vmclear fail: %p/%llx\n",
@@ -490,7 +490,7 @@ static void vmcs_load(struct vmcs *vmcs) 
	u8 error;



	asm volatile (__ex(ASM_VMX_VMPTRLD_RAX) "; setna %0"

			: "=g"(error) : "a"(&phys_addr), "m"(phys_addr)

			: "=qm"(error) : "a"(&phys_addr), "m"(phys_addr)

			: "cc", "memory");

	if (error)

		printk(KERN_ERR "kvm: vmptrld %p/%llx fail\n",