linux-kernel - Re: [PATCH] 2.6.22.6 user-mode linux: fix error in check

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Message-ID: <20070924165223.GC23078@c2.user-mode-linux.org>
Date:	Mon, 24 Sep 2007 12:52:23 -0400
From:	Jeff Dike <jdike@...toit.com>
To:	lepton <ytht.net@...il.com>
Cc:	lkm <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] 2.6.22.6 user-mode linux: fix error in check_sysemu

On Sun, Sep 23, 2007 at 08:26:53PM +0800, lepton wrote:
>   it is a error do count++ here, it will let the following compare
> (after 8 lines)   " if (!count)" always be false. 

I take back what I said.  It looks like it's checking for some
non-zero number of traps, which would be for the instructions leading
up to the next system call, followed by the system call.

It bails out if the system call is the first thing it sees.

Given this, I think your patch is correct.

				Jeff

-- 
Work email - jdike at linux dot intel dot com
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