From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753669AbbESKHx (ORCPT ); Tue, 19 May 2015 06:07:53 -0400 Received: from pegase1.c-s.fr ([93.17.236.30]:47746 "EHLO mailhub1.si.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750916AbbESKHv (ORCPT ); Tue, 19 May 2015 06:07:51 -0400 Message-Id: From: Christophe Leroy Subject: [PATCH v2 0/6] powerpc32: replace memcpy and memset by cacheable alternatives To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , scottwood@freescale.com Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Joakim Tjernlund Date: Tue, 19 May 2015 12:07:44 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset implements use of cacheable versions of memset and memcpy since when the destination is not cacheable, memset_io and memcpy_toio are used. On MPC885, we observe a 7% rate increase on FTP transfer Christophe Leroy (6): powerpc: use memset_io() to clear CPM Muram Partially revert "powerpc: Remove duplicate cacheable_memcpy/memzero functions" powerpc32: memset(0): use cacheable_memzero powerpc32: Merge the new memset() with the old one powerpc32: cacheable_memcpy becomes memcpy powerpc32: Few optimisations in memcpy arch/powerpc/lib/copy_32.S | 109 ++++++++++++++++++++++++++++++++++++++- arch/powerpc/sysdev/cpm_common.c | 2 +- 2 files changed, 109 insertions(+), 2 deletions(-) -- 2.1.0