KVM: VMX: Add AX to list of registers clobbered by guest switch

By chance this caused no harm so far. We overwrite AX during switch to/from guest context, so we must declare this. Signed-off-by: Jan Kiszka <[email protected]> Signed-off-by: Avi Kivity <[email protected]>
kyagi · Oct 24, 2010 · 07d6f55 · 07d6f55
1 parent 19b6a85
commit 07d6f55
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
@@ -4007,7 +4007,7 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu)
 #endif
 		[cr2]"i"(offsetof(struct vcpu_vmx, vcpu.arch.cr2))
 	      : "cc", "memory"
-		, R"bx", R"di", R"si"
+		, R"ax", R"bx", R"di", R"si"
 #ifdef CONFIG_X86_64
 		, "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
 #endif