From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jan Beulich" <JBeulich@suse.com>
Subject: Re: [PATCH 1/2] make fls() and ffs() consistent across
 architectures
Date: Fri, 23 Jan 2015 14:53:27 +0000
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To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Keir Fraser <keir@xen.org>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>, Ian Jackson <Ian.Jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>, Ian Campbell <Ian.Campbell@eu.citrix.com>, xen-devel <xen-devel@lists.xenproject.org>
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>>> On 23.01.15 at 15:38, <andrew.cooper3@citrix.com> wrote:
> As for the x86 asm itself, what about
> http://lkml.kernel.org/r/5058741E020000780009C014@nat28.tlf.novell.com ?
> It would appear that the same optimisation is relevant for Xens __ffs()

For find_first_set_bit() (and perhaps also __scanbit()) you mean?
Indeed, and I'm sure I meant to pull it over - and then forgot after
it got accepted. Will do that now.

Jan