From patchwork Mon Jan 12 18:50:14 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 5614741 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id DAD959F357 for ; Mon, 12 Jan 2015 18:58:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1149A202E5 for ; Mon, 12 Jan 2015 18:58:45 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1D16A202DD for ; Mon, 12 Jan 2015 18:58:44 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YAk9g-00022O-D0; Mon, 12 Jan 2015 18:56:00 +0000 Received: from nm13-vm0.bullet.mail.bf1.yahoo.com ([98.139.213.79]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YAk4k-0004oV-B7 for linux-arm-kernel@lists.infradead.org; Mon, 12 Jan 2015 18:50:55 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1421088631; bh=VJIv95WzUX6x0OzzI1zExwbj6W1HpFPNVj1IYYTCYQI=; h=From:To:Cc:Subject:Date:From:Subject; b=a0nEbyjNlC898O6tbn4BjRTney4jUs0LiI8s5c9BFOnimPa+qog875zKRwpP4MPzoW/7Vjr4Zhunh6xNSTsh8Gjd6CPWze9SxFg4Avop80TbQW3D5SsQKfvCVHav9nCGJewGl83oqhOD5sdY8GEPOkVm5xIkl5YngcodWmsCRzjJQiXZ4bnKWN3AGFY2pnFBzF7xRGJ5mwB4RUSD74RvyEap4GQ6COwFJOqkuiOHbGwlhIaL/JEiClhwRkzs5E1e+c2TM7db/uTcTVzi1/dQOJpnrVX6E1ijf+5U45aJNyDBFRBIw+I8MuOSQPRO8k7jp+o6GMyJVnhh2PStJt+YEA== Received: from [66.196.81.171] by nm13.bullet.mail.bf1.yahoo.com with NNFMP; 12 Jan 2015 18:50:31 -0000 Received: from [98.139.211.205] by tm17.bullet.mail.bf1.yahoo.com with NNFMP; 12 Jan 2015 18:50:31 -0000 Received: from [127.0.0.1] by smtp214.mail.bf1.yahoo.com with NNFMP; 12 Jan 2015 18:50:31 -0000 X-Yahoo-Newman-Id: 106824.75334.bm@smtp214.mail.bf1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: aFjUm_QVM1nXTXsNpdCsxClMtIA1Lee2ajr2aXxqNlRyJAT y77EHcuVrxn4ULmWTUoY49hLk12GnYBkfjjRcbg055ZWDRnzRUBonwji73qc zvy96ZDbUfjaJyaf51kMbU2CM0fWOcB54XjHFnLaj.MnGjWuPqYMVSmu4uFl ACOXYEBk7aijkDlZi58.NkDM1xWkfXTpQdydflBg9vCkha3tl4qY8dioFx5Q LbBl93saX9eCGkbtpqluJlKBI70dQD1K9TxxbsXJU46C9GxDZY2ZlCTAcWNg qRwwth4AxAMUCi3awqGXoEDh9Ywlo3cfQLmyentX_Mv6NHtEMF_xGliyPNpG pURv7_8569Ego9ZA5yzvCKDz5iYRlV3rXNjI5tPeUkow2l1FLbf1cIc2rrQt vrIuXQ45.9yO6fbPKLj3YzcQUdheIfJPTYIQ0DP9FI1QpC68rkATg6b5XryO LvFVp1rG4w72lqolpV8AtcqF7z9DG3_UxK2SHye3GxPnOF5IRaHnv2OW9N1B HjCqR2GAoAyRpibXtKjeUpdz_6.76JjOH X-Yahoo-SMTP: Yh1ZCseswBB87.sev4MWOyuvEVa7giM- From: Anand Moon To: Russell King , Kukjin Kim , Javier Martinez Canillas , Doug Anderson , Krzysztof Kozlowski , Sachin Kamat , Anand Moon , Vivek Gautam , "Rafael J. Wysocki" , Tushar Behera Subject: [PATCH v3] ARM: exynos_defconfig Enable CONFIG_LOCKUP_DETECTOR. Date: Tue, 13 Jan 2015 00:20:14 +0530 Message-Id: <1421088614-4662-1-git-send-email-moon.linux@yahoo.com> X-Mailer: git-send-email 2.1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150112_105054_635039_4EDA1EBD X-CRM114-Status: UNSURE ( 6.87 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.1 (/) Cc: linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FORGED_YAHOO_RCVD, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, T_DKIM_INVALID, T_RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP On enabling CONFIG_LOCKUP_DETECTOR the kernel to act as a watchdog to detect hard and soft lockups. Enabling CONFIG_LOCKUP_DETECTOR don't introduce much overhead on exyons SOC. CONFIG_LOCKUP_DETECTOR is enabled on multi_v7_defconfig. Changes since v3: * Made commit message more clear * Corrected difference between CONFIG_LOCKUP_DETECTOR and CONFIG_LOCKDEP. Tested on Exynos5422 ODROID XU3 board. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Anand Moon --- arch/arm/configs/exynos_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig index 5ef14de..64b2fe9 100644 --- a/arch/arm/configs/exynos_defconfig +++ b/arch/arm/configs/exynos_defconfig @@ -182,6 +182,7 @@ CONFIG_DETECT_HUNG_TASK=y CONFIG_DEBUG_RT_MUTEXES=y CONFIG_DEBUG_SPINLOCK=y CONFIG_DEBUG_MUTEXES=y +CONFIG_LOCKUP_DETECTOR=y CONFIG_DEBUG_INFO=y CONFIG_DEBUG_USER=y CONFIG_CRYPTO_SHA256=y