linux-kernel - Re: Fix IPMI watchdog set_param

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Message-ID: <20061220123207.4b48af02@frecb000686>
Date:	Wed, 20 Dec 2006 12:32:07 +0100
From:	Sébastien Dugué <sebastien.dugue@...l.net>
To:	"Pekka Enberg" <penberg@...helsinki.fi>
Cc:	"Linus Torvalds" <torvalds@...l.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"Jean Pierre Dion" <jean-pierre.dion@...l.net>
Subject: Re: Fix IPMI watchdog set_param_str() using kstrdup

On Wed, 20 Dec 2006 13:19:09 +0200 "Pekka Enberg" <penberg@...helsinki.fi> wrote:

> On 12/20/06, Sébastien Dugué <sebastien.dugue@...l.net> wrote:
> >   set_param_str() cannot use kstrdup() to duplicate the parameter. That's
> > fine when the driver is compiled as a module but it sure is not when
> > built into the kernel as the kernel parameters are parsed before the
> > kmalloc slabs are setup.
> 
> Aah. I wonder though, if we could defer parsing driver parameters
> until kmalloc caches are up...

  From a general point of view, why not. Except that for the
watchdog case, I want it to start as soon as possible for it to be
able to reboot in case of an early crash.

  Sébastien.
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