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=-9.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 5EB3BFA372D for ; Wed, 16 Oct 2019 20:00:41 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 1EA4E21928 for ; Wed, 16 Oct 2019 20:00:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=soleen.com header.i=@soleen.com header.b="D6xYwFac" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1EA4E21928 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=soleen.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id AD7F48E0006; Wed, 16 Oct 2019 16:00:40 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id AAF778E0001; Wed, 16 Oct 2019 16:00:40 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8B4B68E0006; Wed, 16 Oct 2019 16:00:40 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0058.hostedemail.com [216.40.44.58]) by kanga.kvack.org (Postfix) with ESMTP id 6B08C8E0001 for ; Wed, 16 Oct 2019 16:00:40 -0400 (EDT) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with SMTP id 1255A83AB501 for ; Wed, 16 Oct 2019 20:00:40 +0000 (UTC) X-FDA: 76050715440.08.pets42_5c2d92393e09 X-HE-Tag: pets42_5c2d92393e09 X-Filterd-Recvd-Size: 4497 Received: from mail-qk1-f193.google.com (mail-qk1-f193.google.com [209.85.222.193]) by imf35.hostedemail.com (Postfix) with ESMTP for ; Wed, 16 Oct 2019 20:00:39 +0000 (UTC) Received: by mail-qk1-f193.google.com with SMTP id x134so24009224qkb.0 for ; Wed, 16 Oct 2019 13:00:39 -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=7bTbY9wWGaJLNQvZeFd+1QuaD6S0qAHt0InnROLT/Os=; b=D6xYwFacfqrSDzdKiZLP/TzT9Pqm/HyN3qCUyAhl++JnfcJj1zNrvqFXj80G7H0YAD 0oC7ITgJ1jpBh7bsno8amd9UDUDHZErELokqD3GaD1kg4LXtwLv8dPsn78AHP6ZqKH39 E8M8n9Kv/DO9i8z90OKfTCngljmk0SNTy9xLhlawUp/NcuhYiPwsq6O7qxMXWh3quoUI Wd3TUbPEqiUxf2/4gs4CixenvdexjxXEEDtAz27okuFTHV9DnryTqfEq528hdjMcsw+b Omy3Z+4qDZeopuxmjCIHzRvgaTIHLFvL3pr1YdfXc+Z0AclbWLrPwyI7DwzdMFju98+p vf7g== 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=7bTbY9wWGaJLNQvZeFd+1QuaD6S0qAHt0InnROLT/Os=; b=Km33ZBXe239qfF/WM2VgAHz2ktAdb2XAtpUgRCfz8XM3Px5Fu4MpVtR7t+bsEuZ2ja 7uN0e9MFOcjdpcdp3tQGilDB8GI0ppwSRSKwqqazX9nrmKdiucfJoV9Nr+zJlaZ6CMLc u7BjZGM7YE9HFCnZuzE+mzSIYShMZ9en7oOSsz8SWAZzUZMFaYzahW647p4jHFmGI7Yd kgoOpdjkOMRUHLeHbhGjCPK/72pwrdsOoUAc+D5h4dlVFw4+Sty8t2wSStYDBWzEgBry y46naFwf1Q+rf9digYrHYrpQ3DqaeDybdwIue1uaijkRvBBo1T1LtxUvbm2AaBVhNtGO xJNg== X-Gm-Message-State: APjAAAUN9QIs4hmxVHNgKEurTrelmr5Gk1i1wrFYAbjYBhqEjLeAtr8W hXuYkkWV8/VEsCojnFioG3qztA== X-Google-Smtp-Source: APXvYqw/em1XYN8TtYqp0Zy3p+LEV2iCbYfwJbzFt0I3YCF5Whypfh4NQtzdx8ssjs/HvNqnpuzRmg== X-Received: by 2002:a37:9b81:: with SMTP id d123mr5380291qke.410.1571256038811; Wed, 16 Oct 2019 13:00:38 -0700 (PDT) Received: from localhost.localdomain (c-73-69-118-222.hsd1.nh.comcast.net. [73.69.118.222]) by smtp.gmail.com with ESMTPSA id c204sm13342030qkb.90.2019.10.16.13.00.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Oct 2019 13:00:38 -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, steve.capper@arm.com, rfontana@redhat.com, tglx@linutronix.de Subject: [PATCH v7 01/25] kexec: quiet down kexec reboot Date: Wed, 16 Oct 2019 16:00:10 -0400 Message-Id: <20191016200034.1342308-2-pasha.tatashin@soleen.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191016200034.1342308-1-pasha.tatashin@soleen.com> References: <20191016200034.1342308-1-pasha.tatashin@soleen.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Here is a regular kexec command sequence and output: =3D=3D=3D=3D=3D $ kexec --reuse-cmdline -i --load Image $ kexec -e [ 161.342002] kexec_core: Starting new kernel Welcome to Buildroot buildroot login: =3D=3D=3D=3D=3D 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 15d70a90b50d..f7ae04b8de6f 100644 --- a/kernel/kexec_core.c +++ b/kernel/kexec_core.c @@ -1171,7 +1171,7 @@ 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(); } =20 --=20 2.23.0