linux-kernel - Re: + panic-avoid-the-extra-noise-dmesg.patch added to -mm tree

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Message-ID: <20181211082616.GC521@jagdpanzerIV>
Date:   Tue, 11 Dec 2018 17:26:16 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Feng Tang <feng.tang@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        akpm@...ux-foundation.org, bp@...e.de, keescook@...omium.org,
        mm-commits@...r.kernel.org, sergey.senozhatsky@...il.com,
        stable@...r.kernel.org, tglx@...utronix.de,
        Steven Rostedt <rostedt@...dmis.org>,
        Sasha Levin <sashal@...nel.org>,
        Andi Kleen <ak@...ux.intel.com>, linux-kernel@...r.kernel.org
Subject: Re: + panic-avoid-the-extra-noise-dmesg.patch added to -mm tree

On (12/11/18 09:22), Petr Mladek wrote:
> I suggested to clear the panic_blinking (or whatever name) in
> __handle_sysrq(). The idea is that sysrq needs manual intervention.
> It allows to see the original message before it gets overridden
> by a potential sysrq-related output.

Ah, indeed. Sounds good.

> It assumes that sysrq is the only interesting operation when
> printk() might be useful at this state.

Agreed. Makes sense.

	-ss