linux-kernel - Re: [PATCH 0/3] Perf: Some fixes for Alder Lake and Sapphire Rapids

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Date:   Fri, 25 Jun 2021 16:27:47 +0800
From:   You-Sheng Yang <vicamo@...il.com>
To:     kan.liang@...ux.intel.com
Cc:     acme@...nel.org, jolsa@...hat.com, namhyung@...nel.org,
        ak@...ux.intel.com, linux-kernel@...r.kernel.org, mingo@...hat.com,
        peterz@...radead.org
Subject: Re: [PATCH 0/3] Perf: Some fixes for Alder Lake and Sapphire Rapids

Hi,

I've tried to apply this on Ubuntu's 5.13 OEM kernel[1], and yet it
still doesn't fix reported issue[2][3].

Vicamo

[1]: https://launchpad.net/~vicamo/+archive/ubuntu/ppa-1933617
[2]: https://bugs.launchpad.net/bugs/1933617
[3]: https://bugzilla.kernel.org/show_bug.cgi?id=213443

On 6/18/21 11:12 PM, kan.liang@...ux.intel.com wrote:
> From: Kan Liang <kan.liang@...ux.intel.com>
> 
> The patchset includes several fixes for a special configuration and
> specific events on Alder Lake and Sapphire Rapids.
> 
> A single fix patch is easily buried in the numerous LKML emails. So I
> put them together to attract more attention.
> 
> They are independent small fixes and can be reviewed/merged separately.
> 
> Kan Liang (3):
>   perf/x86/intel: Fix fixed counter check warning for some Alder Lake
>   perf/x86/intel: Add more events requires FRONTEND MSR on Sapphire Rapids
>   perf/x86/intel: Fix instructions:ppp support in Sapphire Rapids
> 
>  arch/x86/events/intel/core.c | 15 ++++++++++++---
>  1 file changed, 12 insertions(+), 3 deletions(-)
>