From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mailhub1.si.c-s.fr (pegase1.c-s.fr [93.17.236.30]) by lists.ozlabs.org (Postfix) with ESMTP id E01131A0008 for ; Tue, 12 May 2015 23:32:52 +1000 (AEST) 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 Date: Tue, 12 May 2015 15:32:47 +0200 (CEST) Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Kyle Moffett List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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