linux-kernel - Re: [patch] x86_64: fix is_at

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Message-Id: <200607312206.55817.ak@suse.de>
Date:	Mon, 31 Jul 2006 22:06:55 +0200
From:	Andi Kleen <ak@...e.de>
To:	Chuck Ebbert <76306.1226@...puserve.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Albert Cahalan <acahalan@...il.com>
Subject: Re: [patch] x86_64: fix is_at_popf() for compat tasks

 
> How about checking for regs->cs != __USER_CS instead?  In 64-bit mode
> a program shouldn't have any other value there while in 32-bit mode
> it could be using LDT segments.


It could in theory, but it shouldn't agreed.  Added thanks.
-Andi
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