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Date:      Thu, 11 Jun 2015 22:43:47 +0800
From:      Erich Dollansky <erichsfreebsdlist@alogt.com>
To:        Ian Lepore <ian@freebsd.org>
Cc:        Hans Petter Selasky <hps@selasky.org>, "freebsd-hackers@freebsd.org" <freebsd-hackers@FreeBSD.org>
Subject:   Re: allow ffs & co. a binary search
Message-ID:  <20150611224347.64372a76@B85M-HD3-0.alogt.com>
In-Reply-To: <1434027471.1200.401.camel@freebsd.org>
References:  <20150607081315.7c0f09fb@B85M-HD3-0.alogt.com> <5573EA5E.40806@selasky.org> <20150611152107.61f85189@B85M-HD3-0.alogt.com> <1434027471.1200.401.camel@freebsd.org>

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Hi,

On Thu, 11 Jun 2015 06:57:51 -0600
Ian Lepore <ian@freebsd.org> wrote:

> On Thu, 2015-06-11 at 15:21 +0800, Erich Dollansky wrote:
> > On Sun, 07 Jun 2015 08:53:18 +0200
> > Hans Petter Selasky <hps@selasky.org> wrote:
> > 
> Is there any reason that this whole change, userland and kernel, isn't
> just:
> 
> #define ffs(n) __builtin_ffs(n)

I did not see this. Where is it?

Of course, if this is already done, it does not have to be done again.

Erich



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