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authorAvi Kivity <avi@redhat.com>2010-12-21 16:51:50 +0200
committerAvi Kivity <avi@redhat.com>2011-01-12 11:31:12 +0200
commit16d8f72f70a85ce333788204a69318827130ca75 (patch)
tree4b947abc715c566af88eca1124103737c1948f4c
parentc445f8ef43bd9d2fb28213920d9b21f2465d22df (diff)
KVM: VMX: Correct asm constraint in vmcs_load()/vmcs_clear()
'error' is byte sized, so use a byte register constraint. Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
-rw-r--r--arch/x86/kvm/vmx.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index a713c69bfce..67c08527351 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -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",