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From: Denys Vlasenko <dvlasenk@redhat.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, srostedt@redhat.com,
	Tejun Heo <tj@kernel.org>,
	Peter Hurley <peter@hurleysoftware.com>
Subject: Re: [PATCH] printk: avoid livelock if another CPU printks continuously
Date: Tue, 09 Feb 2016 17:07:42 +0100	[thread overview]
Message-ID: <56BA0ECE.2050106@redhat.com> (raw)
In-Reply-To: <20160209105024.3606f233@gandalf.local.home>

On 02/09/2016 04:50 PM, Steven Rostedt wrote:
> One thing is to find the spamming code and fix that.

We can't rely that there won't be never-ending concurrent printks,
right? For one, in many setups user can cause printk flood.

I think we must ensure that printk does not livelock.

  reply	other threads:[~2016-02-09 16:07 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-08 20:35 [PATCH] printk: avoid livelock if another CPU printks continuously Denys Vlasenko
2016-02-08 21:11 ` Steven Rostedt
2016-02-09 14:59   ` Denys Vlasenko
2016-02-09 15:17     ` Steven Rostedt
2016-02-09 15:24       ` Denys Vlasenko
2016-02-09 15:50         ` Steven Rostedt
2016-02-09 16:07           ` Denys Vlasenko [this message]
2016-02-09 16:33             ` Steven Rostedt
2016-02-09 16:41           ` Denys Vlasenko
2016-02-09 16:57             ` Steven Rostedt
2016-02-10 14:44 ` Petr Mladek
2016-02-10 16:10   ` Petr Mladek
2016-02-10 16:25     ` Steven Rostedt
2016-02-10 16:50       ` Peter Hurley
2016-02-11  8:21       ` Sergey Senozhatsky
2016-02-11 11:47         ` Petr Mladek

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