linux-kernel - Re: [PATCH printk v1 00/10] printk: introduce atomic consoles and sync mode

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Message-ID: <YS144PMiCJnmoKE4@google.com>
Date:   Tue, 31 Aug 2021 09:33:36 +0900
From:   Sergey Senozhatsky <senozhatsky@...omium.org>
To:     Petr Mladek <pmladek@...e.com>
Cc:     John Ogness <john.ogness@...utronix.de>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>,
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        Daniel Thompson <daniel.thompson@...aro.org>,
        Douglas Anderson <dianders@...omium.org>,
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Subject: Re: [PATCH printk v1 00/10] printk: introduce atomic consoles and
 sync mode

On (21/08/05 17:47), Petr Mladek wrote:
[..]
> 3. After introducing console kthread(s):
> 
> 	int printk(...)
> 	{
> 		vprintk_store();
> 		wake_consoles_via_irqwork();
> 	}
> 
> 	+ in panic:
> 
> 	    + with atomic console like after this patchset?
> 	    + without atomic consoles?
> 
> 	+ during early boot?

I guess I'd also add netconsole to the list.