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

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'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>
This commit is contained in:
Avi Kivity 2010-12-21 16:51:50 +02:00
parent c445f8ef43
commit 16d8f72f70
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kvm/vmx.c
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@ -477,7 +477,7 @@ static void vmcs_clear(struct vmcs *vmcs)
u8 error; u8 error;
asm volatile (__ex(ASM_VMX_VMCLEAR_RAX) "; setna %0" 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"); : "cc", "memory");
if (error) if (error)
printk(KERN_ERR "kvm: vmclear fail: %p/%llx\n", printk(KERN_ERR "kvm: vmclear fail: %p/%llx\n",
@ -490,7 +490,7 @@ static void vmcs_load(struct vmcs *vmcs)
u8 error; u8 error;
asm volatile (__ex(ASM_VMX_VMPTRLD_RAX) "; setna %0" 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"); : "cc", "memory");
if (error) if (error)
printk(KERN_ERR "kvm: vmptrld %p/%llx fail\n", printk(KERN_ERR "kvm: vmptrld %p/%llx fail\n",