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From: Jan Kara <jack@suse.cz>
To: David Rientjes <rientjes@google.com>
Cc: Jan Kara <jack@suse.cz>,
	Andrew Morton <akpm@linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>,
	jslaby@suse.cz, Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH v2] printk: Avoid softlockups in console_unlock()
Date: Wed, 6 Feb 2013 20:51:35 +0100	[thread overview]
Message-ID: <20130206195135.GA12117@quack.suse.cz> (raw)
In-Reply-To: <alpine.DEB.2.02.1302061125230.29136@chino.kir.corp.google.com>

On Wed 06-02-13 11:26:46, David Rientjes wrote:
> On Wed, 6 Feb 2013, Jan Kara wrote:
> 
> > On Wed 06-02-13 09:58:48, David Rientjes wrote:
> > > On Wed, 6 Feb 2013, Jan Kara wrote:
> > > 
> > > >   Yes, I noticed that thread just yesterday and also though that using
> > > > similar trick might be viable. I'll experiment if we could use the same
> > > > method for handling lockup problems I hit. Steven seems to have already
> > > > tweaked PRINTK_PENDING stuff to be usable more easily...
> > > > 
> > > 
> > > Are these new build failures in linux-next coming from this patch?
> > > 
> > > kernel/printk.c: In function 'console_unlock':
> > > kernel/printk.c:2156:18: error: 'printk_work' undeclared (first use in this function)
> > > kernel/printk.c:2156:18: note: each undeclared identifier is reported only once for each function it appears in
> > > kernel/printk.c: At top level:
> > > kernel/printk.c:2167:13: warning: 'printk_worker' defined but not used [-Wunused-function]
> >   Yes, I already sent a patch to fix these (attached if you need it).
> > Thanks for notice.
> > 
> 
> I don't see your attached 
> printk-Fixup-compilation-with-CONFIG_PRINTK.patch in -mm nor do I see it 
> on any mailing list.  Regardless,
  Yeah, it was a private mail from kernel compilation testing guys with
Andrew in CC.

> Acked-by: David Rientjes <rientjes@google.com>
  Thanks.

> for wherever Andrew has this stashed away.  Thanks.

									Honza
-- 
Jan Kara <jack@suse.cz>
SUSE Labs, CR

  reply	other threads:[~2013-02-06 19:51 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-04 22:17 [PATCH v2] printk: Avoid softlockups in console_unlock() Jan Kara
2013-02-05 20:38 ` Andrew Morton
2013-02-05 22:56   ` Frederic Weisbecker
2013-02-06  0:42     ` Steven Rostedt
2013-02-06 14:23   ` Jan Kara
2013-02-06 17:58     ` David Rientjes
2013-02-06 18:52       ` Jan Kara
2013-02-06 19:26         ` David Rientjes
2013-02-06 19:51           ` Jan Kara [this message]
2013-02-06 20:19         ` Hugh Dickins
2013-02-06 21:29           ` Jan Kara

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