Re: [PATCH 1/7] x86/cpufeatures: Add support for L3 Smart Data Cache Injection Allocation Enforcement

Moger, Babu
2024-08-19T20:17:52Z

Hi Boris,

On 8/17/24 09:50, Borislav Petkov wrote:
> On Fri, Aug 16, 2024 at 11:16:18AM -0500, Babu Moger wrote:
>> diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
>> index dd4682857c12..5ca39431d423 100644
>> --- a/arch/x86/include/asm/cpufeatures.h
>> +++ b/arch/x86/include/asm/cpufeatures.h
>> @@ -473,6 +473,7 @@
>> #define X86_FEATURE_CLEAR_BHB_HW (21*32+ 3) /* BHI_DIS_S HW control enabled */
>> #define X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT (21*32+ 4) /* Clear branch history at vmexit using SW loop */
>> #define X86_FEATURE_FAST_CPPC (21*32 + 5) /* AMD Fast CPPC */
>> +#define X86_FEATURE_SDCIAE (21*32 + 6) /* "" L3 Smart Data Cache Injection Allocation Enforcement */
>
> The "" is not needed anymore - feature flags are automatically NOT added
> to /proc/cpuinfo.

Sure. Will remove it in next revision.

--
Thanks
Babu Moger