linux-kernel - Re: [PATCH] EDAC/device: Add sysfs notification for UE,CE count change

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Message-ID: <ce06c845-f3c8-a733-dc21-ee0ba4b4ca68@quicinc.com>
Date:   Mon, 31 Jul 2023 22:48:11 -0700
From:   Trilok Soni <quic_tsoni@...cinc.com>
To:     Deepti Jaggi <quic_djaggi@...cinc.com>, <james.morse@....com>,
        <mchehab@...nel.org>, <rric@...nel.org>, <bp@...en8.de>,
        <tony.luck@...el.com>
CC:     <linux-edac@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kernel@...cinc.com>, <quic_psodagud@...cinc.com>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH] EDAC/device: Add sysfs notification for UE,CE count
 change

On 7/31/2023 3:40 PM, Trilok Soni wrote:
> On 7/31/2023 3:00 PM, Deepti Jaggi wrote:
>> A daemon running in user space collects information on correctable
>> and uncorrectable errors from EDAC driver by reading corresponding
>> sysfs entries and takes appropriate action.
> 
> Which daemon we are referring here? Can you please provide the link to 
> the project?
> 
> Are you using this daemon?
> 
> https://mcelog.org/ - It is for x86, but is your daemon project different?
> 
>> This patch adds support for user space daemon to wait on poll() until
>> the sysfs entries for UE count and CE count change and then read updated
>> counts instead of continuously monitoring the sysfs entries for
>> any changes.
> 
> The modifications below are architecture agnostic so I really want to 
> know what exactly we are fixing and if there is a problem.

+ CC linux-arm-msm

Please keep linux-arm-msm in CC if there is a next revision.

-- 
---Trilok Soni