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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 93F7EC43381 for ; Fri, 8 Mar 2019 19:10:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 61841206DF for ; Fri, 8 Mar 2019 19:10:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="o41lkOl7"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="JtYN7lxR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726903AbfCHTK5 (ORCPT ); Fri, 8 Mar 2019 14:10:57 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:51256 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726294AbfCHTK5 (ORCPT ); Fri, 8 Mar 2019 14:10:57 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 1380660328; Fri, 8 Mar 2019 19:10:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1552072257; bh=KIuY/fnsBMdVj6LI3KgOrerVjV+pV+jtJWAGSUdkvcI=; h=From:To:Cc:Subject:Date:From; b=o41lkOl78Rt0k2la8UqwoxxgJC4RbN2BLn3yWa7JS4ysQhzSS+/1/NwZQTo2upMAT JEfIGUEzULvdSk7i+jPFQsaVf+mGLuGJF+AyrbaM3jZxTJPpdq9/bQVA9BgN3arTk0 l428Be7aDQsXSt0EGT/RYY5QCU80OWZLxkJ8j0Ic= Received: from neeraju-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: neeraju@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 44ED160328; Fri, 8 Mar 2019 19:10:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1552072256; bh=KIuY/fnsBMdVj6LI3KgOrerVjV+pV+jtJWAGSUdkvcI=; h=From:To:Cc:Subject:Date:From; b=JtYN7lxRbzqdsq5hkrqsf5qQFbnfOTm/Q9MyAtI78XlQBaHHdrkwwL6aCQXyONGap nmF38Q3/oV1utNOImJDnGoGvg10JDtxY7FaF8cHGDWnJ2DSbIywnQixwEoyZyBgucU jReDqLABqYI9oa4S7yptYpIdP+KYAJRJ0s6qNTpc= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 44ED160328 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=neeraju@codeaurora.org From: Neeraj Upadhyay To: paulmck@linux.vnet.ibm.com, josh@joshtriplett.org, rostedt@goodmis.org, mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com Cc: linux-kernel@vger.kernel.org, Neeraj Upadhyay Subject: [PATCH] rcu/rcutorture: Fix expected forward progress duration in oom notifier Date: Sat, 9 Mar 2019 00:40:45 +0530 Message-Id: <1552072245-31273-1-git-send-email-neeraju@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix a possible miscalculation in rcutorture_oom_notify(), for the expected forward progress duration of current forward progress test. Signed-off-by: Neeraj Upadhyay --- kernel/rcu/rcutorture.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index f14d1b1..5d09f79 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -1848,7 +1848,7 @@ static int rcutorture_oom_notify(struct notifier_block *self, WARN(1, "%s invoked upon OOM during forward-progress testing.\n", __func__); rcu_torture_fwd_cb_hist(); - rcu_fwd_progress_check(1 + (jiffies - READ_ONCE(rcu_fwd_startat) / 2)); + rcu_fwd_progress_check(1 + (jiffies - READ_ONCE(rcu_fwd_startat)) / 2); WRITE_ONCE(rcu_fwd_emergency_stop, true); smp_mb(); /* Emergency stop before free and wait to avoid hangs. */ pr_info("%s: Freed %lu RCU callbacks.\n", -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation