linux-kernel - Re: [PATCH] watchdog/hardlockup: set watchdog_hardlockup

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Date:   Sun, 6 Aug 2023 10:52:57 +0800
From:   Liu Song <liusong@...ux.alibaba.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     dianders@...omium.org, pmladek@...e.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] watchdog/hardlockup: set watchdog_hardlockup_warned to
 true as early as possible


在 2023/8/6 01:17, Andrew Morton 写道:
> When resending, please tell us some more about the effects of the
> change.  Presumably there are circumstances in which excess output is
> produced?  If so, describe these circumstances and the observed
> effects.

Hi,

I haven't found duplicate warnings in the real environment.

However, considering that when system occurs hard lockup is basically 
abnormal, it

seems more reasonable to set "watchdog_hardlockup_warned" to ture, 
rather than

waiting for all kinds of information to be printed.


Thanks