From patchwork Mon Feb 10 06:55:30 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kazuhiro Hayashi X-Patchwork-Id: 13967356 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 aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id BF49EC021A8 for ; Mon, 10 Feb 2025 06:56:45 +0000 (UTC) Received: from mo-csw.securemx.jp (mo-csw.securemx.jp [210.130.202.134]) by mx.groups.io with SMTP id smtpd.web11.45197.1739170601346245481 for ; Sun, 09 Feb 2025 22:56:41 -0800 Authentication-Results: mx.groups.io; dkim=pass header.i=kazuhiro3.hayashi@toshiba.co.jp header.s=key2.smx header.b=PCDxFuqW; spf=pass (domain: toshiba.co.jp, ip: 210.130.202.134, mailfrom: kazuhiro3.hayashi@toshiba.co.jp) DKIM-Signature: v=1;a=rsa-sha256;c=relaxed/simple;d=toshiba.co.jp;h=From:To:Cc :Subject:Date:Message-Id:In-Reply-To:References;i= kazuhiro3.hayashi@toshiba.co.jp;s=key2.smx;t=1739170571;x=1740380171;bh=LacjT pN6fdSgOV/NnhQm9cOx14rxFw1BSnWAXKHY99I=;b=PCDxFuqWCez+GJb9W3bm1Ld9MckiRtHX/n1 fa6oq339F+WSzPFy5sDQDE41zPod8eIh2LfYuTlqQxMu+GHqZxDmBkrVEoRxCcQMcv61DxZWR9ZL5 /IqWgcMF+JeZHWQ4+477b8/Y9f/ZIBQphYeZ68KCVPAhzxb5y47gPueGEWe6SLOWB4CNZ87a5ctO6 vSRAwSr0/SqdbhBg8sHD7UuhytHZrV9+L0T2PHewsyD/de0t+GtGoOPhokdGlIDvQ4VsO1aicGzXX og5SB8vlK0n+d2VVHZvo+QZqXIfAK1dVIw8PRD6Yk6NDjx9CjXDpxjwIJEbydacJan2DdhJS/n6w= =; Received: by mo-csw.securemx.jp (mx-mo-csw1800) id 51A6uA5C789405; Mon, 10 Feb 2025 15:56:10 +0900 X-Iguazu-Qid: 2yAbpfLvFIKSbpKASb X-Iguazu-QSIG: v=2; s=0; t=1739170568; q=2yAbpfLvFIKSbpKASb; m=Reug4TbvHHwhrFEIwyFoQhcztFgDCGfAzKkgoFM+1PQ= Received: from imx12-a.toshiba.co.jp ([38.106.60.135]) by relay.securemx.jp (mx-mr1800) id 51A6u6OO977772 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Mon, 10 Feb 2025 15:56:06 +0900 From: Kazuhiro Hayashi To: linux-kernel@vger.kernel.org, linux-rt-devel@lists.linux.dev, cip-dev@lists.cip-project.org Cc: bigeasy@linutronix.de, tglx@linutronix.de, rostedt@goodmis.org, linux-rt-users@vger.kernel.org, pavel@denx.de Subject: [PATCH 4.4 v1 02/17] arm: Adjust system_state check Date: Mon, 10 Feb 2025 15:55:30 +0900 X-TSB-HOP2: ON Message-Id: <1739170545-25011-3-git-send-email-kazuhiro3.hayashi@toshiba.co.jp> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1739170545-25011-1-git-send-email-kazuhiro3.hayashi@toshiba.co.jp> References: <1739170545-25011-1-git-send-email-kazuhiro3.hayashi@toshiba.co.jp> List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Mon, 10 Feb 2025 06:56:45 -0000 X-Groupsio-URL: https://lists.cip-project.org/g/cip-dev/message/17780 From: Thomas Gleixner commit 5976a66913a8bf42465d96776fd37fb5631edc19 upstream. To enable smp_processor_id() and might_sleep() debug checks earlier, it's required to add system states between SYSTEM_BOOTING and SYSTEM_RUNNING. Adjust the system_state check in ipi_cpu_stop() to handle the extra states. Signed-off-by: Thomas Gleixner Signed-off-by: Peter Zijlstra (Intel) Cc: Greg Kroah-Hartman Cc: Linus Torvalds Cc: Mark Rutland Cc: Peter Zijlstra Cc: Russell King Cc: Steven Rostedt Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/20170516184735.020718977@linutronix.de Signed-off-by: Ingo Molnar Signed-off-by: Kazuhiro Hayashi --- arch/arm/kernel/smp.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index ffa533a4ef57..7b32330185bc 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -587,8 +587,7 @@ static DEFINE_RAW_SPINLOCK(stop_lock); */ static void ipi_cpu_stop(unsigned int cpu) { - if (system_state == SYSTEM_BOOTING || - system_state == SYSTEM_RUNNING) { + if (system_state <= SYSTEM_RUNNING) { raw_spin_lock(&stop_lock); pr_crit("CPU%u: stopping\n", cpu); dump_stack();