>>> On 02.04.19 at 08:46, <pu...@hygon.cn> wrote: > On 2019/4/1 16:41, Jan Beulich wrote: >> On 30.03.19 at 11:42, <pu...@hygon.cn> wrote: >>> There is no MSR_INTEL_PLATFORM_INFO for AMD and Hygon families. So directly >>> return false in the function probe_cpuid_faulting() if !cpu_has_hypervisor. >> >> I think it would have been nice if you had mentioned the real >> reason why you want to bypass the MSR accesses. This way it >> sounds as if the change was only cosmetic, and hence could be >> left out. > > Okay, how about the new description: > There is no MSR_INTEL_PLATFORM_INFO for AMD and Hygon families. Read > this MSR will stop the Xen initialization process
"... for some early Hygon steppings"(?). I'm unaware of AMD CPUs having this issue - are you telling us otherwise? Jan > or produce GPF(0). > So directly return false in the function probe_cpuid_faulting() if > !cpu_has_hypervisor. > > -- > Regards, > Pu Wen _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
