linux-kernel - Re: i386-show-unhandled-signals-v3

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Message-Id: <20070726032516.3de343c6.akpm@linux-foundation.org>
Date:	Thu, 26 Jul 2007 03:25:16 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Rene Herman <rene.herman@...il.com>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, Andi Kleen <ak@...e.de>,
	Masoud Sharbiani <masouds@...gle.com>,
	Kirill Korotaev <dev@...nvz.org>, linux-kernel@...r.kernel.org
Subject: Re: i386-show-unhandled-signals-v3

On Thu, 26 Jul 2007 12:17:28 +0200 Rene Herman <rene.herman@...il.com> wrote:

> On 07/26/2007 12:16 PM, Alan Cox wrote:
> 
> > On Thu, 26 Jul 2007 11:46:23 +0200
> > Andi Kleen <ak@...e.de> wrote:
> > 
> >>> Look: if there's a way in which an unprivileged user can trigger a printk
> >>> we fix it, end of story. 
> >> I'm firmly against disabling it on x86-64 by default. The printks are extremly
> >> useful and have found many bugs in the past.
> > 
> > Then add the rate limiting by default.
> 
> The messages were rate limited -- Andrew said they couldn't be on default even 
> rate limited.
> 

Andrew didn't think too hard, sorry.  I agree that on-by-default is a reasonable
compromise once they're rate-limited.


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