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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