From patchwork Mon Sep 23 20:34:11 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pasha Tatashin X-Patchwork-Id: 11157577 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EBFAE17EE for ; Mon, 23 Sep 2019 20:34:55 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C91BB20673 for ; Mon, 23 Sep 2019 20:34:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fT8qM5Mz"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=soleen.com header.i=@soleen.com header.b="g7DE7rX2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C91BB20673 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=soleen.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=6A0SD/5QBOe0BjG+avL/iXzdPANqEI1KO1svsvQDzfM=; b=fT8qM5MzDk/vkK Y2nINbPLxNgXom25yXhwR8r7JUzD6fsK2nktlsZVxMSsuOg6CgTsefgHYv+12tc3erzevtvWEhFVn lG1sqbwbobw5x2vU2dnzRKnkEFogPpPa6bflGr6+tkpdCvmyQQekEWokX2nVu073ims7YfiK1+NC2 FWtJbfaybi0VzZTDdsMjt0PB5RPv+8l2aMEVT67qavbWXwW9WMsdY8wiyiAzEtIyaWI5JgLZi/Cfe x82yElSbU5769S2Rvp8PESftOrxVb7OOUMnAsp78U8rHp+4TTrVQHFoImiweqgwTAdVYepuAkPgeX A5RVirbD96NkBArKUKZQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iCV2m-0002IP-Dx; Mon, 23 Sep 2019 20:34:48 +0000 Received: from mail-pf1-x441.google.com ([2607:f8b0:4864:20::441]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iCV2e-0002Cx-6W for linux-arm-kernel@lists.infradead.org; Mon, 23 Sep 2019 20:34:41 +0000 Received: by mail-pf1-x441.google.com with SMTP id q10so9863915pfl.0 for ; Mon, 23 Sep 2019 13:34:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=soleen.com; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=KZlSM1+HYlx5AabYJySSHWoh4S6JQNg+E/eloF1WuIo=; b=g7DE7rX2uCp8tfoUWCXCLl034/utkvLPBdVIKc8+powWUExFWSItdszP8Cm/yR3bQA INyWFFWB57bbdD2iHNW1/fZENA+1VBlqYaMxRwKUwsr13wORyC7Njz/SoqYlIMCXWndy +2lPVOCdcRmjy3opEnn14+U9nd/vOCxsE7gGnmOczmK8wF6uSKK9ePWHSOSG4IdNhWL4 i6B0jQ3c/Hc+3IQ4XVvxJF0T0VSgEARneLSQ8kgrBRVlnEy0OVPrm3FAAWvjOBu96um6 TJyjAuN1XqnAdwdM/bythEqz6HBUc9ctqw1AsAPVwpa9SaVxY5Z1wKyBAHCKwQ0/s4aD R+OA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=KZlSM1+HYlx5AabYJySSHWoh4S6JQNg+E/eloF1WuIo=; b=CIG9Rm0ln5kGkd1U46zfQtZ8rLIhlu2BM7SYdOsXQbL0ODJrnTXEA9bk/EGcAtWEOS iGiNLUSG7AvgfqVSydIIZ7TyqUkTDDWhYaKLTCQFyD0VRSWjX1nkRGBG8kvyA1l33v3h uFyJy78jwwwHJhjpqayDPXRexBoJpwAImZIUiA5ohRG7cno3TNfuNWmb/O5IbY2vPpEC lFWSjsDvuEXacnLTExQULGr5pl28ro2cbu8a9yIwS3OnwrQJEazhdfxk6f00ndg3x1QH ufCBI8tlIoxTMSeX9Ro+voZgh8UpBHSSVZwA0FjkloAo2inzUy9GZzoHdyakbNtv7cPO xZyw== X-Gm-Message-State: APjAAAWP/fJsnVS959zo7TEhfOLxZBhI59ZJ2Bxf7vTCUrwvLjnC7HR2 5EBbOgcoizJYFwu7mk1mR19H/A== X-Google-Smtp-Source: APXvYqy145da1OUiQVlRDiBy/OIzvCU32t+7Zhz/DSbXEWYlU+3nmVsNL564Bq6FlkTk3IW8uBpmsA== X-Received: by 2002:a63:c947:: with SMTP id y7mr1755459pgg.345.1569270879589; Mon, 23 Sep 2019 13:34:39 -0700 (PDT) Received: from xakep.corp.microsoft.com (c-73-69-118-222.hsd1.nh.comcast.net. [73.69.118.222]) by smtp.gmail.com with ESMTPSA id n29sm12798676pgm.4.2019.09.23.13.34.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Sep 2019 13:34:38 -0700 (PDT) From: Pavel Tatashin To: pasha.tatashin@soleen.com, jmorris@namei.org, sashal@kernel.org, ebiederm@xmission.com, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, corbet@lwn.net, catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, marc.zyngier@arm.com, james.morse@arm.com, vladimir.murzin@arm.com, matthias.bgg@gmail.com, bhsharma@redhat.com, linux-mm@kvack.org, mark.rutland@arm.com Subject: [PATCH v5 01/17] kexec: quiet down kexec reboot Date: Mon, 23 Sep 2019 16:34:11 -0400 Message-Id: <20190923203427.294286-2-pasha.tatashin@soleen.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190923203427.294286-1-pasha.tatashin@soleen.com> References: <20190923203427.294286-1-pasha.tatashin@soleen.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190923_133440_237590_E1DEC2A8 X-CRM114-Status: GOOD ( 10.47 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:441 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Here is a regular kexec command sequence and output: ===== $ kexec --reuse-cmdline -i --load Image $ kexec -e [ 161.342002] kexec_core: Starting new kernel Welcome to Buildroot buildroot login: ===== Even when "quiet" kernel parameter is specified, "kexec_core: Starting new kernel" is printed. This message has KERN_EMERG level, but there is no emergency, it is a normal kexec operation, so quiet it down to appropriate KERN_NOTICE. Machines that have slow console baud rate benefit from less output. Signed-off-by: Pavel Tatashin Reviewed-by: Simon Horman Acked-by: Dave Young --- kernel/kexec_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c index d5870723b8ad..2c5b72863b7b 100644 --- a/kernel/kexec_core.c +++ b/kernel/kexec_core.c @@ -1169,7 +1169,7 @@ int kernel_kexec(void) * CPU hotplug again; so re-enable it here. */ cpu_hotplug_enable(); - pr_emerg("Starting new kernel\n"); + pr_notice("Starting new kernel\n"); machine_shutdown(); }