linux-kernel - Re: [patch] x86: rename is_at_popf(), add iret to tests and fix insn length

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Date:	Thu, 3 Aug 2006 00:12:07 +0200
From:	Andi Kleen <ak@...e.de>
To:	Chuck Ebbert <76306.1226@...puserve.com>
Cc:	Linus Torvalds <torvalds@...l.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Albert Cahalan <acahalan@...il.com>
Subject: Re: [patch] x86: rename is_at_popf(), add iret to tests and fix insn length

On Wednesday 02 August 2006 15:35, Chuck Ebbert wrote:
> In-Reply-To: <200608021454.33685.ak@...e.de>
> 
> On Wed, 2 Aug 2006 14:54:33 +0200. Andi Kleen wrote:
> 
> > > is_at_popf() needs to test for the iret instruction as well as
> > > popf.  So add that test and rename it to is_setting_trap_flag().
> > 
> > Do you have a single real example where anybody is actually using IRET
> > in user space? 
> 
> No, but Albert Cahalan complained so I figured it should be fixed.

I suppose he just collected all the obscure FIXMEs in the code he could find.
Ok I merged it, but only because it is so little code.

-Andi
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