On Mon, 2019-03-04 at 12:14 +0100, Paolo Bonzini wrote: > On 04/03/19 12:10, Xiaoyao Li wrote: > > Like you said before, I think we don't need the condition judgment > > "if(boot_cpu_has(X86_FEATURE_SPLIT_LOCK_DETECT))", but to set > > F(CORE_CAPABILITY) > > always for guest since MSR_IA32_CORE_CAPABILITY is emulated. > > > > And we should set the right emulated value of MSR_IA32_CORE_CAPABILITY for > > guest > > in function kvm_get_core_capability() based on whether > > boot_cpu_has(X86_FEATURE_SPLIT_LOCK_DETECT) just as you commented in the > > next > > patch. > > Yes, that would certainly be better. However, you'd also have to move > MSR_IA32_CORE_CAPABILITY handling to x86.c, because you'd have to enable > X86_FEATURE_CORE_CAPABILITY for AMD. > > Paolo Thanks for your comments and advises. I'll do it in next version. Xiaoyao
