From patchwork Tue Mar 5 07:45:14 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 2217951 Return-Path: X-Original-To: patchwork-ltsi-dev@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) by patchwork1.kernel.org (Postfix) with ESMTP id C59D33FCF2 for ; Tue, 5 Mar 2013 07:45:23 +0000 (UTC) Received: from mail.linux-foundation.org (localhost [IPv6:::1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 9DEF3712; Tue, 5 Mar 2013 07:45:23 +0000 (UTC) X-Original-To: ltsi-dev@lists.linuxfoundation.org Delivered-To: ltsi-dev@mail.linuxfoundation.org Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTP id 89E3B711 for ; Tue, 5 Mar 2013 07:45:21 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from kirsty.vergenet.net (kirsty.vergenet.net [202.4.237.240]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id BB1BD1F8C1 for ; Tue, 5 Mar 2013 07:45:20 +0000 (UTC) Received: from ayumi.akashicho.tokyo.vergenet.net (p8120-ipbfp1001kobeminato.hyogo.ocn.ne.jp [118.10.137.120]) by kirsty.vergenet.net (Postfix) with ESMTP id F157A266CEE; Tue, 5 Mar 2013 18:45:18 +1100 (EST) Received: by ayumi.akashicho.tokyo.vergenet.net (Postfix, from userid 7100) id 88853EDE139; Tue, 5 Mar 2013 16:45:17 +0900 (JST) From: Simon Horman To: ltsi-dev@lists.linuxfoundation.org Date: Tue, 5 Mar 2013 16:45:14 +0900 Message-Id: <1362469516-21924-2-git-send-email-horms+renesas@verge.net.au> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1362469516-21924-1-git-send-email-horms+renesas@verge.net.au> References: <1362469516-21924-1-git-send-email-horms+renesas@verge.net.au> X-Spam-Status: No, score=-3.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW, RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Subject: [LTSI-dev] [PATCH 1/3] ARM: shmobile: armadillo800eva: enable branch prediction on defconfig X-BeenThere: ltsi-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "A list to discuss patches, development, and other things related to the LTSI project" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ltsi-dev-bounces@lists.linuxfoundation.org Errors-To: ltsi-dev-bounces@lists.linuxfoundation.org From: Kuninori Morimoto Because defconfig disabled ARM branch prediction by CONFIG_CPU_BPREDICT_DISABLE, Armadillo800eva's Bogomips and Loop were not good performance. This patch enabled Arm branch prediction. Special thanks to Ishiyama-san Reported-by: Kiyoshi Ishiyama Signed-off-by: Kuninori Morimoto Acked-by: Kiyoshi Ishiyama Signed-off-by: Simon Horman --- arch/arm/configs/armadillo800eva_defconfig | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm/configs/armadillo800eva_defconfig b/arch/arm/configs/armadillo800eva_defconfig index 90610c7..5989e2e 100644 --- a/arch/arm/configs/armadillo800eva_defconfig +++ b/arch/arm/configs/armadillo800eva_defconfig @@ -19,7 +19,6 @@ CONFIG_ARCH_R8A7740=y CONFIG_MACH_ARMADILLO800EVA=y # CONFIG_SH_TIMER_TMU is not set CONFIG_ARM_THUMB=y -CONFIG_CPU_BPREDICT_DISABLE=y # CONFIG_CACHE_L2X0 is not set CONFIG_ARM_ERRATA_430973=y CONFIG_ARM_ERRATA_458693=y