Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933222AbbELNc5 (ORCPT ); Tue, 12 May 2015 09:32:57 -0400 Received: from pegase1.c-s.fr ([93.17.236.30]:13105 "EHLO mailhub1.si.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932887AbbELNcw (ORCPT ); Tue, 12 May 2015 09:32:52 -0400 Message-Id: From: Christophe Leroy Subject: [PATCH 0/4] powerpc32: use cacheable alternatives of memcpy and memset To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , scottwood@freescale.com Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Joakim Tjernlund , Kyle Moffett Date: Tue, 12 May 2015 15:32:47 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 828 Lines: 24 This patchset implements use of cacheable versions of memset and memcpy when the len is greater than the cacheline size and the destination is in RAM. On MPC885, we observe a 7% rate increase on FTP transfer Christophe Leroy (4): Partially revert "powerpc: Remove duplicate cacheable_memcpy/memzero functions" powerpc32: swap r4 and r5 in cacheable_memzero powerpc32: memset(0): use cacheable_memzero powerpc32: memcpy: use cacheable_memcpy arch/powerpc/lib/copy_32.S | 148 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 148 insertions(+) -- 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/