linux-kernel - Re: [PATCH] EDAC/mc_sysfs: Increase legacy channel support to 12

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Message-ID: <Y2FVxWXnleYkkTGL@yaz-fattaah>
Date:   Tue, 1 Nov 2022 17:22:13 +0000
From:   Yazen Ghannam <yazen.ghannam@....com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
        Smita.KoralahalliChannabasappa@....com, mchehab@...nel.org,
        tony.luck@...el.com, james.morse@....com, rric@...nel.org
Subject: Re: [PATCH] EDAC/mc_sysfs: Increase legacy channel support to 12

On Mon, Oct 31, 2022 at 11:26:44AM +0100, Borislav Petkov wrote:
> On Tue, Oct 18, 2022 at 10:36:30AM -0500, Yazen Ghannam wrote:
> > Newer AMD systems, such as Genoa, can support up to 12 channels per EDAC
> > "mc" device. These are detected by the device's EDAC module, and the
> > current EDAC interface is properly enumerated. However, the legacy EDAC
> > sysfs interface provides device attributes only for channels 0 to 7.
> > Therefore, channels 8 to 11 will not be visible in the legacy interface.
> > This was overlooked in the initial support for AMD Genoa.
> > 
> > Add additional device attributes so that up to 12 channels are visible
> > in the legacy EDAC sysfs interface.
> > 
> > Ignore checkpatch warnings about "Symbolic permissions" to maintain
> > coding style.
> > 
> > Fixes: e2be5955a886 ("EDAC/amd64: Add support for AMD Family 19h Models 10h-1Fh and A0h-AFh")
> > Signed-off-by: Yazen Ghannam <yazen.ghannam@....com>
> > Cc: <stable@...r.kernel.org>
> > ---
> >  drivers/edac/edac_mc_sysfs.c | 24 ++++++++++++++++++++++++
> >  1 file changed, 24 insertions(+)
> 
> Applied, thanks.
>

Thank you!

-Yazen