On 10/19/18 11:14 AM, Andrew Cooper wrote:
> diff --git a/xen/include/asm-x86/msr.h b/xen/include/asm-x86/msr.h
> index 7a061b2..c1cb38f 100644
> --- a/xen/include/asm-x86/msr.h
> +++ b/xen/include/asm-x86/msr.h
> @@ -287,6 +287,12 @@ struct vcpu_msrs
> bool cpuid_faulting:1;
> };
> } misc_features_enables;
> +
> + /*
> + * 0xc00110{27,19-1b} MSR_AMD64_DR{0-3}_ADDRESS_MASK
> + * TODO: Not yet handled by guest_{rd,wr}msr() infrastructure.
> + */
> + uint32_t dr_mask[4];
> };
>
You don't think wrapping these into an intel/amd union would be useful?
-boris
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