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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <92eda11f-dad9-bb2b-3a87-80b6c8d8e228@arm.com>
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