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From: Tom Rini <trini@kernel.crashing.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Daniel Walker <dwalker@mvista.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] PREEMPT_RT vermagic
Date: Wed, 31 Aug 2005 07:29:44 -0700	[thread overview]
Message-ID: <20050831142944.GF3966@smtp.west.cox.net> (raw)
In-Reply-To: <20050831072017.GA7125@elte.hu>

On Wed, Aug 31, 2005 at 09:20:17AM +0200, Ingo Molnar wrote:
> 
> * Daniel Walker <dwalker@mvista.com> wrote:
> 
> > Ingo,
> > 	This patch adds a vermagic hook so PREEMPT_RT modules can be
> > distinguished from PREEMPT_DESKTOP modules.
> 
> vermagic is very crude and there are zillions of other details and 
> .config flags that might make a module incompatible. You can use 
> CONFIG_MODVERSIONS to get a stronger protection that vermagic, but 
> that's far from perfect too. The right solution is the module signing 
> framework in Fedora. Until that gets merged upstream just dont mix 
> incompatible modules, and keep things tightly packaged.

MODVERSIONS won't get the PREEMPT_RT vs PREEMPT_DESKTOP case right
without this, unless I'm missing something.

-- 
Tom Rini
http://gate.crashing.org/~trini/

  reply	other threads:[~2005-08-31 14:29 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-29  8:48 2.6.13-rt1 Ingo Molnar
2005-08-29 11:09 ` 2.6.13-rt1 Steven Rostedt
2005-08-29 11:18   ` 2.6.13-rt1 Ingo Molnar
2005-08-29 15:04 ` 2.6.13-rt1 Daniel Walker
2005-08-29 15:18   ` 2.6.13-rt1 Ingo Molnar
2005-08-29 15:19     ` 2.6.13-rt1 Daniel Walker
2005-08-30  3:33 ` 2.6.13-rt1 Steven Rostedt
2005-08-30  5:53   ` 2.6.13-rt1 Ingo Molnar
2005-08-30 13:06     ` 2.6.13-rt1 Steven Rostedt
2005-08-30 22:34       ` 2.6.13-rt1 Daniel Walker
2005-08-31  1:10         ` 2.6.13-rt1 Steven Rostedt
2005-08-30 22:42 ` [PATCH] PREEMPT_RT vermagic Daniel Walker
2005-08-31  7:20   ` Ingo Molnar
2005-08-31 14:29     ` Tom Rini [this message]
2005-08-31 15:19       ` Tom Rini

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