Theo de Raadt <deraadt <at> cvs.openbsd.org> writes:
> If these VM's are real VM's the should start emulating the machines
> they claim to be emulating correctly, or they should start advertising
> that they are something "different", so that we can isolate the bullshit
> factor.
Ok. I see.
Could we trim that down to the following?
--- sys/arch/amd64/amd64/identcpu.c.orig Mon May 20 19:58:06 2013
+++ sys/arch/amd64/amd64/identcpu.c Mon May 20 20:01:08 2013
@@ -127,6 +127,7 @@
{ CPUIDECX_AVX, "AVX" },
{ CPUIDECX_F16C, "F16C" },
{ CPUIDECX_RDRAND, "RDRAND" },
+ { CPUIDECX_HV, "HV" },
}, cpu_ecpuid_ecxfeatures[] = {
{ CPUIDECX_LAHF, "LAHF" },
{ CPUIDECX_CMPLEG, "CMPLEG" },
--- sys/arch/amd64/include/specialreg.h.orig Mon May 20 20:01:56 2013
+++ sys/arch/amd64/include/specialreg.h Mon May 20 20:06:09 2013
@@ -158,6 +158,7 @@
#define CPUIDECX_AVX 0x10000000 /* Advanced Vector Extensions */
#define CPUIDECX_F16C 0x20000000 /* 16bit fp conversion */
#define CPUIDECX_RDRAND 0x40000000 /* RDRAND instruction */
+#define CPUIDECX_HV 0x80000000 /* Hypervisor presence
*/
/*
* "Structured Extended Feature Flags Parameters" (CPUID function 0x7, leaf 0)
