From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752875Ab3LMPzj (ORCPT ); Fri, 13 Dec 2013 10:55:39 -0500 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:64876 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752722Ab3LMPzg (ORCPT ); Fri, 13 Dec 2013 10:55:36 -0500 Date: Fri, 13 Dec 2013 15:55:13 +0000 From: Will Deacon To: Steven Rostedt Cc: Jiang Liu , Catalin Marinas , Sandeepa Prabhu , AKASHI Takahiro , Marc Zyngier , Mark Rutland , Arnd Bergmann , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v6 6/7] arm64, jump label: optimize jump label implementation Message-ID: <20131213155513.GI19177@mudshark.cambridge.arm.com> References: <1386691433-6827-1-git-send-email-liuj97@gmail.com> <1386691433-6827-7-git-send-email-liuj97@gmail.com> <20131213154104.GG19177@mudshark.cambridge.arm.com> <20131213105023.67e45640@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131213105023.67e45640@gandalf.local.home> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 13, 2013 at 03:50:23PM +0000, Steven Rostedt wrote: > On Fri, 13 Dec 2013 15:41:04 +0000 > Will Deacon wrote: > > > > +#include > > > +#include > > > +#include > > > +#include > > > + > > > +#ifdef HAVE_JUMP_LABEL > > > > Slightly worrying... this should be CONFIG_HAVE_JUMP_LABEL, right? How did > > you manage to test this code? > > In we have: > > #if defined(CC_HAVE_ASM_GOTO) && defined(CONFIG_JUMP_LABEL) > > [...] > > # include > # define HAVE_JUMP_LABEL > #endif /* CC_HAVE_ASM_GOTO && CONFIG_JUMP_LABEL */ > Phew, that explains things! Cheers, Steve. Will