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Date:   Thu, 4 Aug 2022 09:45:07 +0200
From:   Sebastian Würl <>
To:     Marc Kleine-Budde <>
Cc:     Wolfgang Grandegger <>,
        "David S. Miller" <>,
        Eric Dumazet <>,
        Jakub Kicinski <>,
        Paolo Abeni <>,
        Vincent Mailhol <>,
        Stefan Mätje <>,
        Andy Shevchenko <>,
        Oliver Hartkopp <>,
        Sebastian Andrzej Siewior <>,
        Uwe Kleine-König 
        Christian Pellegrin <>,,,
Subject: Re: [PATCH] can: mcp251x: Fix race condition on receive interrupt

On Thu, Aug 4, 2022 at 9:06 AM Marc Kleine-Budde <> wrote:
> Another optimization idea: Do we need to re-read the eflag1? "eflag" is
> for error handling only and you're optimizing the good path.

I'd argue if a new message entered mailbox 1, this also potentially
changed the error state, so we need to read it.

Thanks a lot for your feedback! Will post v3 soon.

Also I'm sorry for spam in anyones inbox, I didn't get my mailing
program to produce plain-text for the last mail.


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