From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A254C77B7A for ; Sat, 27 May 2023 01:42:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242720AbjE0Bm2 (ORCPT ); Fri, 26 May 2023 21:42:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35682 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242588AbjE0Bm1 (ORCPT ); Fri, 26 May 2023 21:42:27 -0400 Received: from mail-pf1-x429.google.com (mail-pf1-x429.google.com [IPv6:2607:f8b0:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 060CE1BC for ; Fri, 26 May 2023 18:42:16 -0700 (PDT) Received: by mail-pf1-x429.google.com with SMTP id d2e1a72fcca58-64d3491609fso1197287b3a.3 for ; Fri, 26 May 2023 18:42:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1685151736; x=1687743736; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=g8Wyvy6HPwlh6VYOHfNA0dxsOkmR5hf4tUOLdIYH19M=; b=jVupxr9tkpNoY2DPpNO8ve9RV3dt+XdDWaO2WoRtWo7O726zDUiL2HAAxcH6LHl3N4 zg+XiJ3Z3hMClz9oQWCKKIy9P9nGkLhMbC/8iyvrxOUDtLp+WDuMwpTv3zKUdQXrfkDP KJUkxWt47+5T+11hbTnQ8sD/sndKaFgdvy0fU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685151736; x=1687743736; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=g8Wyvy6HPwlh6VYOHfNA0dxsOkmR5hf4tUOLdIYH19M=; b=RlSH11UXgWN6J5AwOw001CWucCEAadFyXsIqRmk68MqfmMkMha4nsr/pL7EoIkwgrE SrhcY6nthjcJxgipQgtt0QzxmvDOjPXiEbaX3oO+UoaesO/F0crntZDvi0zSqhaP/uKB KqeMYdOVvNYJV12VkHZrnXQh9wZhg0B2g3HPA8nc3kYT6meZN26qIZG99uoFoOobNdb6 UzhNLp6czmjfsQbAvcNkgTYQ5z5baz+iLsrPOPzN3h4/l29sgJ1+lepX7yIcB7onYYVB qAjq+0DckgY6UKrZrniIMyfCd0AinfKn1aJEpZ24i91xwilSdY6VSN4NI1Zdsu5IGyjY 5NUQ== X-Gm-Message-State: AC+VfDzwkvkezYZW5op0CpNAH2DCWRvYIrzz1/nOuBm4OWRcEPREdH/E ST85lt27QBvA/3JwYjngTrQROQ== X-Google-Smtp-Source: ACHHUZ4GAy/oEImCC0hpOXpTjNUo0Dhy+rQj32IqoVkt1EVytgp7ZHhTjG/XebwId5tT/CXJZBdMDQ== X-Received: by 2002:a05:6a00:190e:b0:63b:8afe:a4dc with SMTP id y14-20020a056a00190e00b0063b8afea4dcmr5524785pfi.30.1685151736256; Fri, 26 May 2023 18:42:16 -0700 (PDT) Received: from tictac2.mtv.corp.google.com ([2620:15c:9d:2:4015:7255:c79a:26d7]) by smtp.gmail.com with ESMTPSA id x25-20020aa79199000000b0063b8ddf77f7sm3202440pfa.211.2023.05.26.18.42.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 May 2023 18:42:15 -0700 (PDT) From: Douglas Anderson To: Petr Mladek , Andrew Morton Cc: kgdb-bugreport@lists.sourceforge.net, linux-kernel@vger.kernel.org, Nicholas Piggin , Michael Ellerman , linuxppc-dev@lists.ozlabs.org, Christophe Leroy , sparclinux@vger.kernel.org, "David S . Miller" , linux-perf-users@vger.kernel.org, Douglas Anderson Subject: [PATCH 00/10] watchdog: Cleanup / fixes after buddy series v5 reviews Date: Fri, 26 May 2023 18:41:30 -0700 Message-ID: <20230527014153.2793931-1-dianders@chromium.org> X-Mailer: git-send-email 2.41.0.rc0.172.g3f132b7071-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org This patch series attempts to finish resolving the feedback received from Petr Mladek on the v5 series I posted. Andrew has already landed v5 so I'm posting this as additional patches. Probably the only thing that wasn't fully as clean as Petr requested was the Kconfig stuff. I couldn't find a better way to express it without a more major overhaul. In the very least, I renamed "NON_ARCH" to "PERF_OR_BUDDY" in the hopes that will make it marginally better. Nothing in this series is terribly critical and even the bugfixes are small. However, it does cleanup a few things that were pointed out in review. Douglas Anderson (10): watchdog/hardlockup: Keep kernel.nmi_watchdog sysctl as 0444 if probe fails watchdog/hardlockup: HAVE_NMI_WATCHDOG must implement watchdog_hardlockup_probe() watchdog/hardlockup: Don't use raw_cpu_ptr() in watchdog_hardlockup_kick() watchdog/hardlockup: In watchdog_hardlockup_check() use cpumask_copy() watchdog/hardlockup: remove softlockup comment in touch_nmi_watchdog() watchdog/buddy: Cleanup how watchdog_buddy_check_hardlockup() is called watchdog/buddy: Don't copy the cpumask in watchdog_next_cpu() watchdog/buddy: Simplify the dependency for HARDLOCKUP_DETECTOR_PREFER_BUDDY watchdog/hardlockup: Move SMP barriers from common code to buddy code watchdog/hardlockup: Rename HAVE_HARDLOCKUP_DETECTOR_NON_ARCH to ..._PERF_OR_BUDDY arch/Kconfig | 3 +- arch/sparc/kernel/nmi.c | 5 +++ include/linux/nmi.h | 14 ++------- kernel/watchdog.c | 68 ++++++++++++++++++----------------------- kernel/watchdog_buddy.c | 28 ++++++++++++++--- lib/Kconfig.debug | 14 ++++----- 6 files changed, 70 insertions(+), 62 deletions(-) -- 2.41.0.rc0.172.g3f132b7071-goog