From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759915Ab3BYWOT (ORCPT ); Mon, 25 Feb 2013 17:14:19 -0500 Received: from terminus.zytor.com ([198.137.202.10]:34067 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759830Ab3BYWON (ORCPT ); Mon, 25 Feb 2013 17:14:13 -0500 Date: Mon, 25 Feb 2013 14:13:01 -0800 From: tip-bot for Konrad Rzeszutek Wilk Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, konrad.wilk@oracle.com, stable@vger.kernel.org, tglx@linutronix.de, hpa@linux.intel.com Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, konrad.wilk@oracle.com, tglx@linutronix.de, stable@vger.kernel.org, hpa@linux.intel.com In-Reply-To: <1361825650-14031-2-git-send-email-konrad.wilk@oracle.com> References: <1361825650-14031-2-git-send-email-konrad.wilk@oracle.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/urgent] doc, xen: Mention 'earlyprintk=xen' in the documentation. Git-Commit-ID: 2482a92e7d17187301d7313cfe5021b13393a0b4 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (terminus.zytor.com [127.0.0.1]); Mon, 25 Feb 2013 14:13:06 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 2482a92e7d17187301d7313cfe5021b13393a0b4 Gitweb: http://git.kernel.org/tip/2482a92e7d17187301d7313cfe5021b13393a0b4 Author: Konrad Rzeszutek Wilk AuthorDate: Mon, 25 Feb 2013 15:54:08 -0500 Committer: H. Peter Anvin CommitDate: Mon, 25 Feb 2013 13:41:18 -0800 doc, xen: Mention 'earlyprintk=xen' in the documentation. The earlyprintk for Xen PV guests utilizes a simple hypercall (console_io) to provide output to Xen emergency console. Note that the Xen hypervisor should be booted with 'loglevel=all' to output said information. Reported-by: H. Peter Anvin Signed-off-by: Konrad Rzeszutek Wilk Link: http://lkml.kernel.org/r/1361825650-14031-2-git-send-email-konrad.wilk@oracle.com Cc: Signed-off-by: H. Peter Anvin --- Documentation/kernel-parameters.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 6c72381..c4cc199 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -754,6 +754,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. earlyprintk= [X86,SH,BLACKFIN] earlyprintk=vga + earlyprintk=xen earlyprintk=serial[,ttySn[,baudrate]] earlyprintk=ttySn[,baudrate] earlyprintk=dbgp[debugController#] @@ -771,6 +772,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted. The VGA output is eventually overwritten by the real console. + The xen output can only be used by Xen PV guests. + ekgdboc= [X86,KGDB] Allow early kernel console debugging ekgdboc=kbd