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 14B62C3B1AB for ; Fri, 14 Feb 2020 17:23:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D9D3C24673 for ; Fri, 14 Feb 2020 17:23:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581701038; bh=4TMk3oPXzDqusW1Vw1/tbsbx3c4Xl54P2d6RaQrX17s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=G5es0NBNjFtWh7y2HniMWzbpwurGJg4Q3sYEWh/cD9dmYXoZiU4i5+T1j6H1+tUD0 LhP4ZHkGYq5EiFQwIK1DDFbZ+fMn2XQjFUfNQt2duJPF4fA8FeNF4gz3hw9OFg0WVb ldYoGd6RVcSsIolm0pqMLUSq+djrYFSff+3B8+6g= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391241AbgBNQJU (ORCPT ); Fri, 14 Feb 2020 11:09:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:33406 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391223AbgBNQJL (ORCPT ); Fri, 14 Feb 2020 11:09:11 -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 EE96D2468C; Fri, 14 Feb 2020 16:09:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581696550; bh=4TMk3oPXzDqusW1Vw1/tbsbx3c4Xl54P2d6RaQrX17s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1TH7yPdhZdL2dgt9AVFya0MTwiq/ctnmrdym3MwlVr9oy/KVZyrElnvxJ/O5A19eC v8z76M0NHpfBGlfsf+P6R2rMcLCtxf1UTGrjBTB3nF8kONxPnUgD7GzL2uP34n+vHB hKJol7vmFvYJ8kPfBaiemtSgMdjVouP0EXqhWNMU= 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 5.4 343/459] sched/core: Fix size of rq::uclamp initialization Date: Fri, 14 Feb 2020 10:59:53 -0500 Message-Id: <20200214160149.11681-343-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214160149.11681-1-sashal@kernel.org> References: <20200214160149.11681-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 00743684a549a..9540b7e076e64 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1252,7 +1252,8 @@ 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