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From: Andrew Morton <akpm@linux-foundation.org>
To: Jan Kara <jack@suse.cz>
Cc: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>,
	LKML <linux-kernel@vger.kernel.org>,
	pmladek@suse.cz, Frederic Weisbecker <fweisbec@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH 8/8] printk: Add config option for disabling printk offloading
Date: Fri, 18 Apr 2014 11:54:38 -0700	[thread overview]
Message-ID: <20140418115438.1e65e07af17e3ba6d7c554db@linux-foundation.org> (raw)
In-Reply-To: <20140326192815.GC18118@quack.suse.cz>

On Wed, 26 Mar 2014 20:28:15 +0100 Jan Kara <jack@suse.cz> wrote:

> > All the afflicted consoles are serial, all go via the uart layer as far
> > as I can see.
> > 
> > The uart layer has a queue mechanism that could be used
>   I'm sorry, I don't follow here - what can the uart queueing be used for?

Alan, I'm desperate to avoid adding all this complexity to core printk
code to solve such a rare problem.  It'd be great if you could flesh out
any alternative ideas please.

  reply	other threads:[~2014-04-18 18:54 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-25 17:54 [PATCH 0/8 v4] printk: Cleanups and softlockup avoidance Jan Kara
2014-03-25 17:54 ` [PATCH 1/8] printk: Remove outdated comment Jan Kara
2014-03-25 17:54 ` [PATCH 2/8] printk: Release lockbuf_lock before calling console_trylock_for_printk() Jan Kara
2014-04-23 20:56   ` Andrew Morton
2014-04-24 10:18     ` Jan Kara
2014-03-25 17:54 ` [PATCH 3/8] printk: Enable interrupts " Jan Kara
2014-03-25 17:54 ` [PATCH 4/8] printk: Remove separate printk_sched buffers and use printk buf instead Jan Kara
2014-05-05 18:37   ` Steven Rostedt
2014-03-25 17:54 ` [PATCH 5/8] printk: Hand over printing to console if printing too long Jan Kara
2014-03-25 17:54 ` [PATCH 6/8] printk: Start printing handover kthreads on demand Jan Kara
2014-03-26 17:16   ` One Thousand Gnomes
2014-03-26 19:06     ` Jan Kara
2014-03-25 17:55 ` [PATCH 7/8] kernel: Avoid softlockups in stop_machine() during heavy printing Jan Kara
2014-03-25 17:55 ` [PATCH 8/8] printk: Add config option for disabling printk offloading Jan Kara
2014-03-26 17:23   ` One Thousand Gnomes
2014-03-26 19:28     ` Jan Kara
2014-04-18 18:54       ` Andrew Morton [this message]
2014-04-22 10:22         ` One Thousand Gnomes
2014-04-23 11:08           ` Jan Kara
2014-04-23 12:35             ` One Thousand Gnomes
2014-04-23 14:29               ` Jan Kara
2014-04-23 18:17             ` Andrew Morton
2014-04-23 21:16               ` One Thousand Gnomes
2014-04-23 21:41                 ` Jiri Kosina
2014-04-24 14:00                   ` One Thousand Gnomes
2014-05-15 21:28               ` Jan Kara
2014-04-23  9:30         ` Jan Kara
2014-04-08 14:27 ` [PATCH 0/8 v4] printk: Cleanups and softlockup avoidance Jan Kara
2014-04-08 19:02   ` Andrew Morton
  -- strict thread matches above, loose matches on Subject: below --
2014-03-14 16:21 [PATCH 0/8 v3] " Jan Kara
2014-03-14 16:21 ` [PATCH 8/8] printk: Add config option for disabling printk offloading Jan Kara

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