Message ID | 20221105060159.794397196@goodmis.org |
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State | New |
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[2620:137:e000::1:20]) by mx.google.com with ESMTP id q18-20020a17090311d200b001769fce8c2fsi2276726plh.485.2022.11.04.23.06.30; Fri, 04 Nov 2022 23:06:44 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230014AbiKEGD2 (ORCPT <rfc822;hjfbswb@gmail.com> + 99 others); Sat, 5 Nov 2022 02:03:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60042 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229587AbiKEGBf (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Sat, 5 Nov 2022 02:01:35 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5EB6D2D763 for <linux-kernel@vger.kernel.org>; Fri, 4 Nov 2022 23:01:34 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 1F1BBB830BE for <linux-kernel@vger.kernel.org>; Sat, 5 Nov 2022 06:01:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C41B9C43143; Sat, 5 Nov 2022 06:01:31 +0000 (UTC) Received: from rostedt by gandalf.local.home with local (Exim 4.96) (envelope-from <rostedt@goodmis.org>) id 1orCFj-007Ou4-34; Sat, 05 Nov 2022 02:01:59 -0400 Message-ID: <20221105060159.794397196@goodmis.org> User-Agent: quilt/0.66 Date: Sat, 05 Nov 2022 02:00:51 -0400 From: Steven Rostedt <rostedt@goodmis.org> To: linux-kernel@vger.kernel.org Cc: Linus Torvalds <torvalds@linux-foundation.org>, Thomas Gleixner <tglx@linutronix.de>, Stephen Boyd <sboyd@kernel.org>, Guenter Roeck <linux@roeck-us.net>, Anna-Maria Gleixner <anna-maria@linutronix.de>, Andrew Morton <akpm@linux-foundation.org>, Ingo Molnar <mingo@redhat.com>, Peter Zijlstra <peterz@infradead.org>, Juri Lelli <juri.lelli@redhat.com>, Vincent Guittot <vincent.guittot@linaro.org>, Dietmar Eggemann <dietmar.eggemann@arm.com>, Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>, Daniel Bristot de Oliveira <bristot@redhat.com>, Valentin Schneider <vschneid@redhat.com>, Johannes Weiner <hannes@cmpxchg.org>, Suren Baghdasaryan <surenb@google.com> Subject: [PATCH v4a 27/38] timers: sched/psi: Use timer_shutdown_sync() before freeing timer References: <20221105060024.598488967@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Spam-Status: No, score=-6.7 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1748635122090766953?= X-GMAIL-MSGID: =?utf-8?q?1748635122090766953?= |
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timers: Use timer_shutdown*() before freeing timers
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Commit Message
Steven Rostedt
Nov. 5, 2022, 6 a.m. UTC
From: "Steven Rostedt (Google)" <rostedt@goodmis.org> Before a timer is freed, timer_shutdown_sync() must be called. Link: https://lore.kernel.org/all/20221104054053.431922658@goodmis.org/ Cc: Ingo Molnar <mingo@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Ben Segall <bsegall@google.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Daniel Bristot de Oliveira <bristot@redhat.com> Cc: Valentin Schneider <vschneid@redhat.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Suren Baghdasaryan <surenb@google.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> --- kernel/sched/psi.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c index ee2ecc081422..f5f2613c4292 100644 --- a/kernel/sched/psi.c +++ b/kernel/sched/psi.c @@ -1033,6 +1033,7 @@ void psi_cgroup_free(struct cgroup *cgroup) cancel_delayed_work_sync(&cgroup->psi->avgs_work); free_percpu(cgroup->psi->pcpu); + timer_shutdown_sync(&cgroup->psi->poll_timer); /* All triggers must be removed by now */ WARN_ONCE(cgroup->psi->poll_states, "psi: trigger leak\n"); kfree(cgroup->psi);