Re: [PATCH] kstrtox: drop kstrtol()/kstrtoul() when possible

From: Andrew Morton
Date: Fri May 20 2011 - 02:54:23 EST


On Fri, 20 May 2011 09:48:27 +0300 Alexey Dobriyan <adobriyan@xxxxxxxxx> wrote:

> On Fri, May 20, 2011 at 08:20:42AM +0200, Geert Uytterhoeven wrote:
> > On Fri, May 20, 2011 at 08:15, Alexey Dobriyan <adobriyan@xxxxxxxxx> wrote:
> > > If "long" and "long long" types are identical at runtime,
> > > kstrtol() can be aliased to kstrtoll().
> > >
> > > Unfortunately, one can't write
> > >
> > > __ __ __ __#if sizeof(long) == sizeof(long long) ...
> >
> > One can write #ifdef CONFIG_64BIT instead.
>
> And alignment will match, on any arch, now and in future?
> I don't think so.

Don't worry about it.

z:/usr/src/linux-2.6.39> grep -r "#[ ]*if.*CONFIG_64BIT" . | wc -l
547

So much other stuff will break that kstrtofoo is a drop in the bucket.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/