From 16d8f72f70a85ce333788204a69318827130ca75 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Tue, 21 Dec 2010 16:51:50 +0200 Subject: [PATCH] KVM: VMX: Correct asm constraint in vmcs_load()/vmcs_clear() 'error' is byte sized, so use a byte register constraint. Acked-by: Randy Dunlap Signed-off-by: Avi Kivity Signed-off-by: Marcelo Tosatti --- arch/x86/kvm/vmx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index a713c69bfcee..67c085273510 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", -- GitLab