linux-kernel - Re: [PATCH v2 04/16] x86/mce/amd: Look up bank type by IPID

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Message-ID: <20240423170608.GCZifqgD-N2B7vm6_D@fat_crate.local>
Date: Tue, 23 Apr 2024 19:06:08 +0200
From: Borislav Petkov <bp@...en8.de>
To: Yazen Ghannam <yazen.ghannam@....com>
Cc: linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
	tony.luck@...el.com, x86@...nel.org, Avadhut.Naik@....com,
	John.Allen@....com
Subject: Re: [PATCH v2 04/16] x86/mce/amd: Look up bank type by IPID

On Thu, Apr 04, 2024 at 10:13:47AM -0500, Yazen Ghannam wrote:
> Scalable MCA systems use values within the MCA_IPID register to describe
> a bank's type. Other information is not needed.
> 
> Currently, the bank types are cached during boot and this information is
> used during boot and run time. The cached values are per-CPU and
> per-bank. The boot path needs the cached values, but this should be
> removed. The run time path does not need the cached values.
> 
> Determine a Scalable MCA bank's type using only the MCA_IPID values.

Lemme get this straight: You want to switch it all to use this new array
smca_hwid_mcatypes[] to lookup HWIDs?

If so, where is the patch which removes the _old thing?

>  arch/x86/include/asm/mce.h              |  4 +-
>  arch/x86/kernel/cpu/mce/amd.c           | 99 ++++++++++++++++++++++---
>  drivers/edac/amd64_edac.c               |  2 +-
>  drivers/edac/mce_amd.c                  |  2 +-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c |  2 +-

$ ./scripts/get_maintainer.pl -f drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
Alex Deucher <alexander.deucher@....com> (supporter:RADEON and AMDGPU DRM DRIVERS,commit_signer:91/89=100%)
"Christian König" <christian.koenig@....com> (supporter:RADEON and AMDGPU DRM DRIVERS)
"Pan, Xinhui" <Xinhui.Pan@....com> (supporter:RADEON and AMDGPU DRM DRIVERS)
David Airlie <airlied@...il.com> (maintainer:DRM DRIVERS
..

You need to CC folks on changes touching their area...

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette