linux-kernel - Re: [PATCH 2.6.21.1] i386: save registers before intra-privilege syscall

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Message-ID: <464E31F8.7010701@zytor.com>
Date:	Fri, 18 May 2007 16:08:40 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Philipp Kohlbecher <pk031698@...-greifswald.de>
CC:	Dave Jones <davej@...emonkey.org.uk>,
	Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
	linux-assembly@...r.kernel.org
Subject: Re: [PATCH 2.6.21.1] i386: save registers before intra-privilege
 syscall

H. Peter Anvin wrote:
> Sticking kernel mode values in those fields would add no value, except
> as a poison (since %ss == KERNEL_DS and would cause a #GP(0) if it ever
> reached IRET.)

#SS(0), rather, of course.

	-hpa
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