Return-path: Received: from crystal.sipsolutions.net ([195.210.38.204]:41043 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751501AbYDBKYr (ORCPT ); Wed, 2 Apr 2008 06:24:47 -0400 Subject: Re: [PATCH/RFC v5] introduce HAVE_EFFICIENT_UNALIGNED_ACCESS Kconfig symbol From: Johannes Berg To: David Miller Cc: sam@ravnborg.org, dsd@gentoo.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, Ingo Molnar , David Woodhouse In-Reply-To: <1206454302.16475.269.camel@johannes.berg> (sfid-20080325_153049_310071_1A4FA1C2) References: <1206023695.16475.137.camel@johannes.berg> <20080320181310.GA17884@uranus.ravnborg.org> <1206038373.16475.150.camel@johannes.berg> <20080320.141307.173590705.davem@davemloft.net> <1206454302.16475.269.camel@johannes.berg> (sfid-20080325_153049_310071_1A4FA1C2) Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-PzYZr5wvbvwi0Af8EbdI" Date: Wed, 02 Apr 2008 12:24:25 +0200 Message-Id: <1207131865.10910.30.camel@johannes.berg> (sfid-20080402_112453_180474_6394B780) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: --=-PzYZr5wvbvwi0Af8EbdI Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Tue, 2008-03-25 at 15:11 +0100, Johannes Berg wrote: > In many cases, especially in networking, it can be beneficial to > know at compile time whether the architecture can do unaligned > accesses efficiently. This patch introduces a new Kconfig symbol > HAVE_EFFICIENT_UNALIGNED_ACCESS > for that purpose and adds it to the powerpc and x86 architectures. > Also add some documentation about alignment and networking, and > especially one intended use of this symbol. I haven't had comments on this last version, any objections to sending it to akpm for inclusion? I would like to start building on it in the wireless tree. Also, what's the best way to get arch maintainers to note this and evaluate whether they want to set the symbol or not? johannes --=-PzYZr5wvbvwi0Af8EbdI Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Comment: Johannes Berg (powerbook) iQIVAwUAR/Ne2KVg1VMiehFYAQJRsQ//QuaXGmGHrbnx6afUKwRP++DDNgZOinMi ioJWGJaxw/O5jwCA52InBB5BGPN9D0ibzv/iNLM3SYmiIr+T2MJpnzX6ZAJlPuyU 5Pm8MkBxZoT34YzV+v86LUYozpy6VnxpYto7MGGYGdlfKyp8OdIupuQQP2eyDNoC 9hVJ6fdYEL+pMCd1hrnjR33S6ebDTtC4yzkqe3ojuGTfIuiq4DcgmJit4VWskl/S Zz6oKBzd0G8SFh4T3Cz8gXX9r9OhhMgCH/YQvK+AbSYbhj/6ip+SXE0ID5+tAPzQ BEqBp2rxrLzGjrjd95E+Ilb16tWymmmKtfJU97xuHgaLxAdINOnjPDj6yNDiVLgV z9n6DrQ8+BWu2FVpbDQpnaccsOht2n/AlvXXdHgIQskeZ2fbZB8Sz6spX3SpUJ4i BABy9CkC7PWktrxlO04j29YUwmBx2Xv0L/rj6+Ww7r5aQmagVSwu9qn0D+Y1TnDh K0fFOfuLgnbwn2IkXrucnX1FHrVd1lN+l9ePO5ntDM9F0+tGVISL8SsxMJRfKN3Y S/9gJGWF2EDRdoJCCmd/xe/3QLErdIEJnjSNyqCMF4s7l7nrqVMHhZE2iAUPeboa advKajAdyEJHPhxcga+LiRGZdBX0cB7Ta4bSFADQgxIrrp3zA6nOaCnY17y6NXgN RuH8RrnT3FA= =rPxH -----END PGP SIGNATURE----- --=-PzYZr5wvbvwi0Af8EbdI--