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Subject: Re: [PATCH] EFI x86: pass firmware call parameters on the stack
From: =?ISO-8859-1?Q?Fr=E9d=E9ric?= Riss <frederic.riss@gmail.com>
To: Andrew Morton <akpm@osdl.org>
Cc: Matt Domsch <Matt_Domsch@dell.com>, linux-kernel@vger.kernel.org,
       artiom.myaskouvskey@intel.com, bjorn.helgaas@hp.com,
       Linus Torvalds <torvalds@linux-foundation.org>
In-Reply-To: <20070130111058.db191e07.akpm@osdl.org>
References: <1170183678.21603.73.camel@funkylaptop>
	 <20070130111058.db191e07.akpm@osdl.org>
Content-Type: text/plain; charset=utf-8
Date: Tue, 30 Jan 2007 20:16:22 +0100
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Le mardi 30 janvier 2007 à 11:10 -0800, Andrew Morton a écrit :
> > This patch fixes the issue for x86, but the file is also used by IA64. I
> > would have used asmlinkage to force arguments on the stack, but it has a
> > special meaning on IA64, thus I used a raw regparm(0) GCC attribute.
> > This attribute is documented only for x86, I hope it has no side effect
> > on other archs.
> 
> hm, this sounds like a fairly serious problem.  Has this been runtime
> tested on ia64 and x86_64>

Not by me, the only EFI box I've access to is my Mac Mini.

Fred.

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