2022-04-25 22:23:52

by Peter Zijlstra

[permalink] [raw]
Subject: Re: [PATCH 0/6] perf/amd: Zen4 IBS extensions support

On Mon, Apr 25, 2022 at 10:13:17AM +0530, Ravi Bangoria wrote:
> IBS support has been enhanced with two new features in upcoming uarch:
> 1. DataSrc extension and 2. L3 Miss Filtering capability. Both are
> indicated by CPUID_Fn8000001B_EAX bit 11.

Hi Ravi, could you perhaps also look at fixing this existing IBS
problem?

https://lkml.kernel.org/r/[email protected]


2022-04-26 12:06:01

by Ravi Bangoria

[permalink] [raw]
Subject: Re: [PATCH 0/6] perf/amd: Zen4 IBS extensions support



On 26-Apr-22 2:02 AM, Peter Zijlstra wrote:
> On Mon, Apr 25, 2022 at 10:13:17AM +0530, Ravi Bangoria wrote:
>> IBS support has been enhanced with two new features in upcoming uarch:
>> 1. DataSrc extension and 2. L3 Miss Filtering capability. Both are
>> indicated by CPUID_Fn8000001B_EAX bit 11.
>
> Hi Ravi, could you perhaps also look at fixing this existing IBS
> problem?
>
> https://lkml.kernel.org/r/[email protected]

Sure. Will do.

Thanks.