From: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> commit 9ce0a07a6f49822238fd4357c02e0dba060a43cc upstream. RAX is not touched by nested_vmx_check_vmentry_hw(), directly or indirectly (e.g. vmx_vmenter()). Remove it from the clobber list. Fixes: 52017608da33 ("KVM: nVMX: add option to perform early consistency checks via H/W") Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx> Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/x86/kvm/vmx/nested.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -2793,7 +2793,7 @@ static int nested_vmx_check_vmentry_hw(s [fail]"i"(offsetof(struct vcpu_vmx, fail)), [host_rsp]"i"(offsetof(struct vcpu_vmx, host_rsp)), [wordsize]"i"(sizeof(ulong)) - : "rax", "cc", "memory" + : "cc", "memory" ); preempt_enable();