From: Paul Mackerras <paulus@samba.org>
To: David Miller <davem@davemloft.net>
Cc: torvalds@linux-foundation.org,
James.Bottomley@hansenpartnership.com, geert@linux-m68k.org,
linux-arch@vger.kernel.org
Subject: Re: Arch maintainers Ahoy!
Date: Thu, 24 May 2012 15:25:45 +1000 [thread overview]
Message-ID: <20120524052545.GB9492@drongo> (raw)
In-Reply-To: <20120523.221150.620846999543569983.davem@davemloft.net>
On Wed, May 23, 2012 at 10:11:50PM -0400, David Miller wrote:
> Ok, now confirmed, the following patch generates the best code I've
> been able to get out of GCC thus far, and it's tested too.
>
> Therefore, I'll push this out to my sparc tree.
>
> Next, I'll try to add the abstractions et al. necessary to put this
> under the top-level lib/ so others can use it too.
Sounds good, thanks for doing this. On PowerPC we have the "count
leading zeroes" instructions we could use to find the position of the
leftmost zero byte, so if you can conveniently make the find_zero()
function overridable, that would be good.
Paul.
next prev parent reply other threads:[~2012-05-24 5:25 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-21 16:50 Arch maintainers Ahoy! (was Re: x86: faster strncpy_from_user()) Linus Torvalds
2012-05-23 5:46 ` Arch maintainers Ahoy! David Miller
2012-05-23 8:02 ` Geert Uytterhoeven
2012-05-23 9:40 ` James Bottomley
2012-05-23 15:15 ` Linus Torvalds
2012-05-23 17:21 ` David Miller
2012-05-23 17:32 ` Linus Torvalds
2012-05-23 18:16 ` David Miller
2012-05-23 18:27 ` Linus Torvalds
2012-05-23 18:35 ` David Miller
2012-05-23 18:44 ` Linus Torvalds
2012-05-23 18:46 ` Linus Torvalds
2012-05-23 20:36 ` David Miller
2012-05-23 21:01 ` Linus Torvalds
2012-05-24 2:11 ` David Miller
2012-05-24 5:25 ` Paul Mackerras [this message]
2012-05-24 5:56 ` David Miller
2012-05-24 9:40 ` David Howells
2012-05-24 15:53 ` Linus Torvalds
2012-06-13 11:08 ` Michael Cree
2012-06-13 14:51 ` Linus Torvalds
2012-05-24 16:45 ` David Howells
2012-05-24 16:56 ` Linus Torvalds
2012-05-24 17:16 ` David Howells
2012-05-23 17:19 ` David Miller
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