Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754931AbbDQRZ6 (ORCPT ); Fri, 17 Apr 2015 13:25:58 -0400 Received: from mail-bn1bon0142.outbound.protection.outlook.com ([157.56.111.142]:50453 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754793AbbDQRZz (ORCPT ); Fri, 17 Apr 2015 13:25:55 -0400 Authentication-Results: c-s.fr; dkim=none (message not signed) header.d=none; Message-ID: <1429291534.4352.2.camel@freescale.com> Subject: Re: [PATCH v5 0/5] powerpc8xx: Further optimisation of TLB handling From: Scott Wood To: root CC: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , , , "Joakim Tjernlund" Date: Fri, 17 Apr 2015 12:25:34 -0500 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.12.10-0ubuntu1~14.10.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Originating-IP: [2601:2:5800:3f7:12bf:48ff:fe84:c9a0] X-ClientProxiedBy: BLUPR11CA0067.namprd11.prod.outlook.com (10.141.30.35) To BN3PR03MB1477.namprd03.prod.outlook.com (25.163.35.140) X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:BN3PR03MB1477;UriScan:;BCL:0;PCL:0;RULEID:;SRVR:BN3PR03MB1399; X-Forefront-Antispam-Report: BMV:1;SFV:NSPM;SFS:(10019020)(6009001)(377424004)(24454002)(51704005)(122386002)(23676002)(87976001)(5820100001)(33646002)(92566002)(36756003)(47776003)(50466002)(46102003)(50226001)(76176999)(103116003)(2950100001)(40100003)(62966003)(110136001)(86362001)(42186005)(50986999)(77156002)(32563001)(3826002);DIR:OUT;SFP:1102;SCL:1;SRVR:BN3PR03MB1477;H:[IPv6:2601:2:5800:3f7:12bf:48ff:fe84:c9a0];FPR:;SPF:None;MLV:sfv;LANG:en; X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0;PCL:0;RULEID:(601004)(5002010)(5005006);SRVR:BN3PR03MB1477;BCL:0;PCL:0;RULEID:;SRVR:BN3PR03MB1477; X-Forefront-PRVS: 0549E6FD50 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Apr 2015 17:25:52.0349 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3PR03MB1477 X-OriginatorOrg: freescale.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1052 Lines: 29 On Fri, 2015-04-17 at 18:32 +0200, root wrote: > This patchset provides a further optimisation of TLB handling in the 8xx. > Changes are: > - Not saving registers like CR when not needed > - Adding support to any TASK_SIZE > > Only the last patch of the set is changed compared to v4 > > Christophe Leroy (5): > powerpc/8xx: macro for handling CPU15 errata > powerpc/8xx: Handle CR out of exception PROLOG/EPILOG > powerpc/8xx: dont save CR in SCRATCH registers > powerpc/8xx: Use SPRG2 instead of DAR for saving r3 > powerpc/8xx: Add support for TASK_SIZE greater than 0x80000000 > > arch/powerpc/kernel/head_8xx.S | 79 +++++++++++++++++++++++++++--------------- > 1 file changed, 51 insertions(+), 28 deletions(-) > Do you really want your name in the git history to be "root"? -Scott -- 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/