linux-kernel - Re: [PATCH 12/21] EDAC, ghes: Add support for legacy API counters

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Date:   Wed, 29 May 2019 16:13:02 +0100
From:   James Morse <james.morse@....com>
To:     Robert Richter <rrichter@...vell.com>
Cc:     Borislav Petkov <bp@...en8.de>, Tony Luck <tony.luck@...el.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 12/21] EDAC, ghes: Add support for legacy API counters

Hi Robert,

On 29/05/2019 09:44, Robert Richter wrote:
> The ghes driver is not able yet to count legacy API counters in sysfs,
> e.g.:
> 
>  /sys/devices/system/edac/mc/mc0/csrow2/ce_count
>  /sys/devices/system/edac/mc/mc0/csrow2/ch0_ce_count
>  /sys/devices/system/edac/mc/mc0/csrow2/ch1_ce_count
> 
> Make counting csrows/channels generic so that the ghes driver can use
> it too.

What for?

Is this for an arm64 system? Surely we don't have any systems that used to work with these
legacy counters. Aren't they legacy because we want new software to stop using them!


Thanks,

James