Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965172AbbDQQc7 (ORCPT ); Fri, 17 Apr 2015 12:32:59 -0400 Received: from pegase1.c-s.fr ([93.17.236.30]:45006 "EHLO mailhub1.si.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753937AbbDQQc4 (ORCPT ); Fri, 17 Apr 2015 12:32:56 -0400 Message-Id: Subject: [PATCH v5 0/5] powerpc8xx: Further optimisation of TLB handling To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , scottwood@freescale.com Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Joakim Tjernlund Date: Fri, 17 Apr 2015 18:32:50 +0200 (CEST) From: christophe.leroy@c-s.fr (root) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 909 Lines: 25 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(-) -- 2.1.0 -- 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/