The hvmloader code which used this signal was deleted 10 years ago (c/s 50b12df83 "x86 vmx: Remove vmxassist"). Furthermore, the value gets discarded anyway because the HVM domain builder unconditionally sets %rax to 0 in the same action it uses to set %rip to the appropriate entrypoint.
Signed-off-by: Andrew Cooper <[email protected]> --- CC: Jan Beulich <[email protected]> CC: Jun Nakajima <[email protected]> CC: Kevin Tian <[email protected]> CC: Roger Pau Monné <[email protected]> CC: Wei Liu <[email protected]> --- xen/arch/x86/hvm/vmx/vmx.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/xen/arch/x86/hvm/vmx/vmx.c b/xen/arch/x86/hvm/vmx/vmx.c index 8049264..4318b15 100644 --- a/xen/arch/x86/hvm/vmx/vmx.c +++ b/xen/arch/x86/hvm/vmx/vmx.c @@ -462,10 +462,6 @@ static int vmx_vcpu_initialise(struct vcpu *v) vmx_install_vlapic_mapping(v); - /* %eax == 1 signals full real-mode support to the guest loader. */ - if ( v->vcpu_id == 0 ) - v->arch.user_regs.rax = 1; - return 0; } -- 2.1.4 _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
