linux-kernel - Re: [PATCH 09/10] watchdog/hardlockup: Move SMP barriers from common code to buddy code

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Message-ID: <ZHYPmxdzl0tOB_uY@alley>
Date:   Tue, 30 May 2023 17:00:43 +0200
From:   Petr Mladek <pmladek@...e.com>
To:     Douglas Anderson <dianders@...omium.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        kgdb-bugreport@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
        Nicholas Piggin <npiggin@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        linuxppc-dev@...ts.ozlabs.org,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        sparclinux@...r.kernel.org,
        "David S . Miller" <davem@...emloft.net>,
        linux-perf-users@...r.kernel.org
Subject: Re: [PATCH 09/10] watchdog/hardlockup: Move SMP barriers from common
 code to buddy code

On Fri 2023-05-26 18:41:39, Douglas Anderson wrote:
> It's been suggested that since the SMP barriers are only potentially
> useful for the buddy hardlockup detector, not the perf hardlockup
> detector, that the barriers belong in the buddy code. Let's move them
> and add clearer comments about why they're needed.
> 
> Suggested-by: Petr Mladek <pmladek@...e.com>
> Signed-off-by: Douglas Anderson <dianders@...omium.org>

Reviewed-by: Petr Mladek <pmladek@...e.com>

Best Regards,
Petr