From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752248Ab0KIDdG (ORCPT ); Mon, 8 Nov 2010 22:33:06 -0500 Received: from ozlabs.org ([203.10.76.45]:44233 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751265Ab0KIDdB (ORCPT ); Mon, 8 Nov 2010 22:33:01 -0500 Subject: Re: [PATCH] powerpc: Add jump label support From: Michael Ellerman Reply-To: michael@ellerman.id.au To: Steven Rostedt Cc: linuxppc-dev@ozlabs.org, Kumar Gala , "David S.Miller" , jbaron@redhat.com, linux-kernel@vger.kernel.org, Anton Blanchard In-Reply-To: <1289225915.12418.2.camel@gandalf.stny.rr.com> References: <45fbc3cd7f6ce404d1e25bf01695fb629d86189d.1289189560.git.michael@ellerman.id.au> <1289225915.12418.2.camel@gandalf.stny.rr.com> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-w3D+0pu8VLtSMSPL4b+4" Date: Tue, 09 Nov 2010 14:33:00 +1100 Message-ID: <1289273580.21111.193.camel@concordia> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-w3D+0pu8VLtSMSPL4b+4 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2010-11-08 at 09:18 -0500, Steven Rostedt wrote: > On Mon, 2010-11-08 at 15:12 +1100, Michael Ellerman wrote: > > This patch adds support for the new "jump label" feature. >=20 > Darn it! I wanted to port this!!! >=20 > ;-) Sorry! I've been locked in a dark room for ages and this was a nice chance to work on some upstream code for a change :) > > Built for 64 & 32 bit, tested on 64 bit. Survives a kernel build under > > perf with all tracepoints enabled, and manual inspection of the patched > > code looks right. But still, lightly tested, YMMV. > >=20 > > Unlike x86 and sparc we just merrily patch the code with no locks etc, > > as far as I know this is safe, but I'm not really sure what the x86/spa= rc > > code is protecting against so maybe it's not. >=20 > Thanks, I'll give it a test on my electra as soon as I get a gcc 4.5.1 > cross compiler working. Thanks. cheers --=-w3D+0pu8VLtSMSPL4b+4 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iEYEABECAAYFAkzYwOwACgkQdSjSd0sB4dIvgQCgpN+7/z9m/ALqbxEBCzJjwx0h Cx8AmgKd1c5SmvuY8GraTVP9KUxAdrMf =a/t3 -----END PGP SIGNATURE----- --=-w3D+0pu8VLtSMSPL4b+4--