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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Peng Fan sys_ctr_base and cmpcr will not be updated after init, so mark as __ro_after_init. Cc: Kees Cook Signed-off-by: Peng Fan Reviewed-by: Kees Cook --- drivers/clocksource/timer-imx-sysctr.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/clocksource/timer-imx-sysctr.c b/drivers/clocksource/timer-imx-sysctr.c index 18b90fc56bfc..2b309af11266 100644 --- a/drivers/clocksource/timer-imx-sysctr.c +++ b/drivers/clocksource/timer-imx-sysctr.c @@ -20,8 +20,8 @@ #define SYS_CTR_CLK_DIV 0x3 -static void __iomem *sys_ctr_base; -static u32 cmpcr; +static void __iomem *sys_ctr_base __ro_after_init; +static u32 cmpcr __ro_after_init; static void sysctr_timer_enable(bool enable) { From patchwork Wed Dec 1 12:50:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Peng Fan (OSS)" X-Patchwork-Id: 12694315 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 967EFC433EF for ; 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Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by DU2PR04MB9018.eurprd04.prod.outlook.com (2603:10a6:10:2d9::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4734.23; Wed, 1 Dec 2021 12:51:30 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::82e:6ad2:dd1d:df43]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::82e:6ad2:dd1d:df43%9]) with mapi id 15.20.4713.027; Wed, 1 Dec 2021 12:51:30 +0000 From: "Peng Fan (OSS)" To: daniel.lezcano@linaro.org, tglx@linutronix.de, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, van.freenix@gmail.com, Peng Fan Subject: [PATCH 2/2] clocksource: timer-imx-sysctr: set cpumask to cpu_possible_mask Date: Wed, 1 Dec 2021 20:50:30 +0800 Message-Id: <20211201125030.2307746-2-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211201125030.2307746-1-peng.fan@oss.nxp.com> References: <20211201125030.2307746-1-peng.fan@oss.nxp.com> X-ClientProxiedBy: SG3P274CA0022.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:be::34) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG3P274CA0022.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:be::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4755.11 via Frontend Transport; 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But the system counter timer is not tied to CPU0, so use cpu_possible_mask here. Signed-off-by: Peng Fan --- drivers/clocksource/timer-imx-sysctr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clocksource/timer-imx-sysctr.c b/drivers/clocksource/timer-imx-sysctr.c index 2b309af11266..55a8e198d2a1 100644 --- a/drivers/clocksource/timer-imx-sysctr.c +++ b/drivers/clocksource/timer-imx-sysctr.c @@ -119,7 +119,7 @@ static struct timer_of to_sysctr = { static void __init sysctr_clockevent_init(void) { - to_sysctr.clkevt.cpumask = cpumask_of(0); + to_sysctr.clkevt.cpumask = cpu_possible_mask; clockevents_config_and_register(&to_sysctr.clkevt, timer_of_rate(&to_sysctr),