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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 61DB5C2BA83 for ; Fri, 14 Feb 2020 17:56:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3CCBD206B6 for ; Fri, 14 Feb 2020 17:56:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581702973; bh=duc5y0S6rLDC3g52KVaZElIgsls7KBcBFUTg/OysPI8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=LT5ApLMKNMd4b8EZ3oAcvZXB7UIp21KWc95gGoj8Ykq4j5P58cMbtvmgD5J6VqqSV pREbDPdCoQPiiivaqnZydRj4G7QFNRiDHHvgZ6rErwIJNKKVLKg7XTV459R0e9TgTG OLBo8dZCUe3UVz0A+0Xg7WgrkoxuYHLoerJZR8dA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388233AbgBNP53 (ORCPT ); Fri, 14 Feb 2020 10:57:29 -0500 Received: from mail.kernel.org ([198.145.29.99]:40424 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387795AbgBNP52 (ORCPT ); Fri, 14 Feb 2020 10:57:28 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3680A206D7; Fri, 14 Feb 2020 15:57:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581695847; bh=duc5y0S6rLDC3g52KVaZElIgsls7KBcBFUTg/OysPI8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eE5ULFVJYCw6Y9fmzAkXN+uQe+/QukQoSt7kdfYkuqhaqMb91yzoV3+aCEc+j6lUF k7R+JZiMrVmnJ4NDmF3UL9xSjmXmG3sz8jHkf/RJe8o0KWesiZ32TJqO/BqZxyK/f1 V+uTFxVF8pUuKgZNB6LE9iAm/x6DEDTXvNgCa/hk= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Li Guanglei , Peter Zijlstra , Qais Yousef , Sasha Levin Subject: [PATCH AUTOSEL 5.5 397/542] sched/core: Fix size of rq::uclamp initialization Date: Fri, 14 Feb 2020 10:46:29 -0500 Message-Id: <20200214154854.6746-397-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214154854.6746-1-sashal@kernel.org> References: <20200214154854.6746-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Li Guanglei [ Upstream commit dcd6dffb0a75741471297724640733fa4e958d72 ] rq::uclamp is an array of struct uclamp_rq, make sure we clear the whole thing. Fixes: 69842cba9ace ("sched/uclamp: Add CPU's clamp buckets refcountinga") Signed-off-by: Li Guanglei Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Qais Yousef Link: https://lkml.kernel.org/r/1577259844-12677-1-git-send-email-guangleix.li@gmail.com Signed-off-by: Sasha Levin --- kernel/sched/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index bfe756dee129e..c60265a0d0c97 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1253,7 +1253,8 @@ static void __init init_uclamp(void) mutex_init(&uclamp_mutex); for_each_possible_cpu(cpu) { - memset(&cpu_rq(cpu)->uclamp, 0, sizeof(struct uclamp_rq)); + memset(&cpu_rq(cpu)->uclamp, 0, + sizeof(struct uclamp_rq)*UCLAMP_CNT); cpu_rq(cpu)->uclamp_flags = 0; } -- 2.20.1