Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755422AbaAUSTE (ORCPT ); Tue, 21 Jan 2014 13:19:04 -0500 Received: from smtp.citrix.com ([66.165.176.89]:11991 "EHLO SMTP.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755377AbaAUSSy (ORCPT ); Tue, 21 Jan 2014 13:18:54 -0500 X-IronPort-AV: E=Sophos;i="4.95,696,1384300800"; d="scan'208";a="95004393" Date: Tue, 21 Jan 2014 18:17:47 +0000 From: Stefano Stabellini X-X-Sender: sstabellini@kaball.uk.xensource.com To: Will Deacon CC: Stefano Stabellini , "jaccon.bastiaansen@gmail.com" , "arnd@arndb.de" , "linux@arm.linux.org.uk" , Catalin Marinas , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "xen-devel@lists.xenproject.org" Subject: Re: [PATCH v4] arm: remove !CPU_V6 and !GENERIC_ATOMIC64 build dependencies for XEN In-Reply-To: <20140121180750.GO30706@mudshark.cambridge.arm.com> Message-ID: References: <1390311864-19119-1-git-send-email-stefano.stabellini@eu.citrix.com> <20140121180750.GO30706@mudshark.cambridge.arm.com> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" X-DLP: MIA1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 21 Jan 2014, Will Deacon wrote: > On Tue, Jan 21, 2014 at 01:44:24PM +0000, Stefano Stabellini wrote: > > Remove !GENERIC_ATOMIC64 build dependency: > > - introduce xen_atomic64_xchg > > - use it to implement xchg_xen_ulong > > > > Remove !CPU_V6 build dependency: > > - introduce __cmpxchg8 and __cmpxchg16, compiled even ifdef > > CONFIG_CPU_V6 > > - implement sync_cmpxchg using __cmpxchg8 and __cmpxchg16 > > > > Signed-off-by: Stefano Stabellini > > CC: arnd@arndb.de > > CC: linux@arm.linux.org.uk > > CC: will.deacon@arm.com > > CC: catalin.marinas@arm.com > > CC: linux-arm-kernel@lists.infradead.org > > CC: linux-kernel@vger.kernel.org > > CC: xen-devel@lists.xenproject.org > > Reviewed-by: Will Deacon > > Cheers Stefano, Thanks!! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/