linux-kernel - Re: [PATCH] sys_poll(): fix function definition/negative timeout values

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Message-ID: <20110915181242.GZ7761@one.firstfloor.org>
Date:	Thu, 15 Sep 2011 20:12:42 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Andi Kleen <andi@...stfloor.org>, Thomas Meyer <thomas@...3r.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sys_poll(): fix function definition/negative timeout values

On Thu, Sep 15, 2011 at 08:05:17PM +0200, Eric Dumazet wrote:
> Le jeudi 15 septembre 2011 à 10:47 -0700, Andi Kleen a écrit :
> > Thomas Meyer <thomas@...3r.de> writes:
> > 
> > > Fix negative timeout values for x86 userland on x86_64 kernels.
> > > Align sys_poll() definition to glibc's definition.
> > 
> > Nack. Please write a compat wrapper that sign extends.
> > 
> 
> Why ?

Because we shouldn't change existing interfaces and there could
be valid reasons on 64bit for really long delays.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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