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 4E758C43381 for ; Mon, 11 Mar 2019 09:46:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1FBDA2084D for ; Mon, 11 Mar 2019 09:46:26 +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="SQtkWwru"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="oQ29EOGP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727109AbfCKJq0 (ORCPT ); Mon, 11 Mar 2019 05:46:26 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:34278 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726897AbfCKJqZ (ORCPT ); Mon, 11 Mar 2019 05:46:25 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id F387161AAC; Mon, 11 Mar 2019 09:46:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1552297585; bh=JxSVU/SSe8lP2Aj/IFNvDfKxJZKSr+VYBcHiCZhUSOs=; h=From:To:Cc:Subject:Date:From; b=SQtkWwru4nSdTI19q1HFRRaC1U1c3b2zf8QOlAJoLWQy7ANluiZFwXeC+jldu2Xrz VgixjlureK9zA2CWeQWBf7yCFXQKgZ7yJvtZojfLZDmp7OJzu89r4VqMciRVpEzZE3 kG2EIFwNhmt10B41Zi2mRW2eXO7PFLcHd+vZmSw4= 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 C26DE61340; Mon, 11 Mar 2019 09:46:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1552297582; bh=JxSVU/SSe8lP2Aj/IFNvDfKxJZKSr+VYBcHiCZhUSOs=; h=From:To:Cc:Subject:Date:From; b=oQ29EOGPaNeCsmQMJ0buvvI7xElq0RMBLUS9Hivj6LovCd0Drwtt/NyxL+2afDkSE lnFgencAm687lqowRpWPx8SxRxyYYSCUmSZIpx2XbArv6Nizy8tZsRgjj77KbdZ2En 7TZsNmgmoEXWvwpBlDO8MEQKoDwvAHlXz2FiVHzM= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org C26DE61340 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: rcu@vger.kernel.org, Neeraj Upadhyay Subject: [PATCH] rcu/tree: Default jiffies_to_sched_qs to jiffies_till_sched_qs Date: Mon, 11 Mar 2019 15:16:11 +0530 Message-Id: <1552297571-5617-1-git-send-email-neeraju@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: rcu-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: rcu@vger.kernel.org Current code does not call adjust_jiffies_till_sched_qs(), if jiffies_till_sched_qs is specified. For the case, where jiffies_till_first_fqs and jiffies_till_next_fqs are default, jiffies_to_sched_qs won't be a correct adjustment of jiffies_till_sched_qs. Signed-off-by: Neeraj Upadhyay --- kernel/rcu/tree.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index ddd5c74..10aeb89 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -3259,8 +3259,7 @@ static void __init rcu_init_geometry(void) jiffies_till_first_fqs = d; if (jiffies_till_next_fqs == ULONG_MAX) jiffies_till_next_fqs = d; - if (jiffies_till_sched_qs == ULONG_MAX) - adjust_jiffies_till_sched_qs(); + adjust_jiffies_till_sched_qs(); /* If the compile-time values are accurate, just leave. */ if (rcu_fanout_leaf == RCU_FANOUT_LEAF && -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation