Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753413AbaKQCjI (ORCPT ); Sun, 16 Nov 2014 21:39:08 -0500 Received: from cnbjrel02.sonyericsson.com ([219.141.167.166]:7593 "EHLO cnbjrel02.sonyericsson.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752141AbaKQCjG convert rfc822-to-8bit (ORCPT ); Sun, 16 Nov 2014 21:39:06 -0500 From: "Wang, Yalin" To: "'Russell King - ARM Linux'" CC: "'Will Deacon'" , "'Ard Biesheuvel'" , "'linux-kernel@vger.kernel.org'" , "'akinobu.mita@gmail.com'" , "'linux-mm@kvack.org'" , "'Joe Perches'" , "'linux-arm-kernel@lists.infradead.org'" Date: Mon, 17 Nov 2014 10:38:58 +0800 Subject: RE: [RFC V6 2/3] arm:add bitrev.h file to support rbit instruction Thread-Topic: [RFC V6 2/3] arm:add bitrev.h file to support rbit instruction Thread-Index: Ac//8Y3gfHXz4vZxRTGitDF3ewZNIwCHdBrw Message-ID: <35FD53F367049845BC99AC72306C23D103E688B313C6@CNBJMBX05.corpusers.net> References: <35FD53F367049845BC99AC72306C23D103E010D18265@CNBJMBX05.corpusers.net> <35FD53F367049845BC99AC72306C23D103E010D18266@CNBJMBX05.corpusers.net> <20141030120127.GC32589@arm.com> <20141030135749.GE32589@arm.com> <35FD53F367049845BC99AC72306C23D103E010D18272@CNBJMBX05.corpusers.net> <35FD53F367049845BC99AC72306C23D103E010D18273@CNBJMBX05.corpusers.net> <35FD53F367049845BC99AC72306C23D103E010D18275@CNBJMBX05.corpusers.net> <20141113235322.GC4042@n2100.arm.linux.org.uk> <35FD53F367049845BC99AC72306C23D103E010D1829B@CNBJMBX05.corpusers.net> <20141114095812.GG4042@n2100.arm.linux.org.uk> In-Reply-To: <20141114095812.GG4042@n2100.arm.linux.org.uk> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > From: Russell King - ARM Linux [mailto:linux@arm.linux.org.uk] > Sent: Friday, November 14, 2014 5:58 PM > To: Wang, Yalin > Cc: 'Will Deacon'; 'Ard Biesheuvel'; 'linux-kernel@vger.kernel.org'; > 'akinobu.mita@gmail.com'; 'linux-mm@kvack.org'; 'Joe Perches'; 'linux-arm- > kernel@lists.infradead.org' > Subject: Re: [RFC V6 2/3] arm:add bitrev.h file to support rbit instruction > > > Is it possible to build a kernel that support both CPU_V6 and CPU_V7? > > Absolutely it is. > > > I mean in Kconfig, CPU_V6 = y and CPU_V7 = y ? > > Yes. > > > If there is problem like you said, > > How about this solution: > > select HAVE_ARCH_BITREVERSE if ((CPU_V7M || CPU_V7) && !CPU_V6) > > That would work. > OK, I will submit a patch for this change. > > For this patch, > > I just cherry-pick from Joe, > > If you are not responsible for this part, I will submit to the > > maintainers for these patches . > > Sorry for that . > > I think you need to discuss with Joe how Joe would like his patches handled. > However, it seems that Joe already sent his patches to the appropriate > maintainers, and they have been applying those patches themselves. > > Since your generic ARM changes depend on these patches being accepted first, > this means is that I can't apply the generic ARM changes until those other > patches have hit mainline, otherwise things are going to break. So, when > you come to submit the latest set of patches to the patch system, please do > so only after these dependent patches have been merged into mainline so > that they don't get accidentally applied before hand and break the two > drivers that Joe mentioned. Joe has submitted patches to maintainers, So we need wait for them to be accepted . 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/