linux-kernel - Re: so what's so special about sema

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Message-ID: <Pine.LNX.4.64.0610271323020.6762@scrub.home>
Date:	Fri, 27 Oct 2006 13:25:53 +0200 (CEST)
From:	Roman Zippel <zippel@...ux-m68k.org>
To:	"Robert P. J. Day" <rpjday@...dspring.com>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: so what's so special about sema_init() for alpha?

Hi,

On Tue, 24 Oct 2006, Robert P. J. Day wrote:

>   i'm still curious as to why the implementation for sema_init() for
> the alpha can't be simplified as (allegedly) could all of the other
> architecture sema_init() calls.

Did you even look at the code it generates? It's not specific to alpha 
at all. Unless the structure is small enough, gcc will first generate a 
copy on the stack and then copy it to its final location.

bye, Roman
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