linux-kernel - Re: [PATCH v2 07/19] ARM: at91/pm_slowclock: function slow

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Message-ID: <20120222135758.GC9407@game.jcrosoft.org>
Date:	Wed, 22 Feb 2012 14:57:58 +0100
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Nicolas Ferre <nicolas.ferre@...el.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	rmallon@...il.com
Subject: Re: [PATCH v2 07/19] ARM: at91/pm_slowclock: function slow_clock()
 accepts parameters

On 13:18 Wed 22 Feb     , Russell King - ARM Linux wrote:
> On Wed, Feb 22, 2012 at 01:58:14PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > Btw I'm looking on a way to switch the assembly funciton to C but I didn,t find a
> > good way to calculate the function size except by touching at the linker
> > script. Which I don;t want to do.
> 
> Forget doing it in C.  C is too complicated, because either you have to
> keep its relocations and fix them up, or you have to compile and link it
> to run at a specific location and then copy it to that location.  You
> also have literal pools to think about.
> 
> Assembly is much better controlled and you can write it so that you don't
> end up with any of that stuff.  You have absolute control over the code
> and associated data.
ok

Best Regards,
J.
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