From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: "Liu, Chuansheng" <chuansheng.liu@intel.com>
Cc: "'linux-kernel@vger.kernel.org' (linux-kernel@vger.kernel.org)"
<linux-kernel@vger.kernel.org>, "kay@vrfy.org" <kay@vrfy.org>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"mingo@elte.hu" <mingo@elte.hu>
Subject: RE: [PATCH] printk: fixing the deadlock when calling printk in nmi handle
Date: Wed, 04 Jul 2012 16:50:31 +0200 [thread overview]
Message-ID: <1341413431.2507.124.camel@laptop> (raw)
In-Reply-To: <27240C0AC20F114CBF8149A2696CBE4A10CA93@SHSMSX101.ccr.corp.intel.com>
On Wed, 2012-07-04 at 14:46 +0000, Liu, Chuansheng wrote:
> > > I took many time to dig out this issue.
> >
> > Well, it was a known issue..
> Still feel unfair :)
> If this is a known issue that calling printk is not safe in nmi handler,
> Why not defense it like this patch before real solution coming out?
Why replace one broken thing with another broken thing?
next prev parent reply other threads:[~2012-07-04 14:50 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-04 13:00 [PATCH] printk: fixing the deadlock when calling printk in nmi handle Liu, Chuansheng
2012-07-04 13:22 ` Peter Zijlstra
2012-07-04 13:30 ` Liu, Chuansheng
2012-07-04 13:39 ` Peter Zijlstra
2012-07-04 14:09 ` Peter Zijlstra
2012-07-04 14:12 ` Peter Zijlstra
2012-07-04 14:18 ` Liu, Chuansheng
2012-07-04 14:46 ` Liu, Chuansheng
2012-07-04 14:50 ` Peter Zijlstra [this message]
2012-07-04 14:52 ` Peter Zijlstra
2012-07-04 15:06 ` Liu, Chuansheng
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