Re: [Xen-devel] [PATCH] libxc/x86: don't hand through CPUID leaf 0x80000008 as is

On 17/05/18 14:38, Jan Beulich wrote: On 17.05.18 at 15:26, wrote: >> On 17/05/18 14:20, Jan Beulich wrote: >>> Just like for HVM the feature set should be used for EBX output, while >>> EAX should be restricted to the low 16 bits and ECX/EDX should be zero. >>>

Re: [Xen-devel] [PATCH] libxc/x86: don't hand through CPUID leaf 0x80000008 as is

>>> On 17.05.18 at 15:26, wrote: > On 17/05/18 14:20, Jan Beulich wrote: >> Just like for HVM the feature set should be used for EBX output, while >> EAX should be restricted to the low 16 bits and ECX/EDX should be zero. >> >> Short of there being white listing in

Re: [Xen-devel] [PATCH] libxc/x86: don't hand through CPUID leaf 0x80000008 as is

On 17/05/18 14:20, Jan Beulich wrote: > Just like for HVM the feature set should be used for EBX output, while > EAX should be restricted to the low 16 bits and ECX/EDX should be zero. > > Short of there being white listing in place just like on the HVM side, > also zap leaves 6, 9, and 0x8007