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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 D138DC34026 for ; Tue, 18 Feb 2020 14:17:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B1E012176D for ; Tue, 18 Feb 2020 14:17:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726757AbgBRORa (ORCPT ); Tue, 18 Feb 2020 09:17:30 -0500 Received: from 6.mo7.mail-out.ovh.net ([188.165.39.218]:48638 "EHLO 6.mo7.mail-out.ovh.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726445AbgBRORa (ORCPT ); Tue, 18 Feb 2020 09:17:30 -0500 X-Greylist: delayed 3599 seconds by postgrey-1.27 at vger.kernel.org; Tue, 18 Feb 2020 09:17:29 EST Received: from player779.ha.ovh.net (unknown [10.110.115.5]) by mo7.mail-out.ovh.net (Postfix) with ESMTP id 401E415297D for ; Tue, 18 Feb 2020 14:00:37 +0100 (CET) Received: from sk2.org (cre33-1_migr-88-122-126-116.fbx.proxad.net [88.122.126.116]) (Authenticated sender: steve@sk2.org) by player779.ha.ovh.net (Postfix) with ESMTPSA id B4C08F777501; Tue, 18 Feb 2020 13:00:31 +0000 (UTC) From: Stephen Kitt To: Jonathan Corbet , Mauro Carvalho Chehab , linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Stephen Kitt Subject: [PATCH v2 5/8] docs: document stop-a in sysctl/kernel.rst Date: Tue, 18 Feb 2020 13:59:20 +0100 Message-Id: <20200218125923.685-6-steve@sk2.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200218125923.685-1-steve@sk2.org> References: <20200218125923.685-1-steve@sk2.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Ovh-Tracer-Id: 16137804843222060421 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedugedrjeekgdegjecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhvffufffkofgjfhgggfestdekredtredttdenucfhrhhomhepufhtvghphhgvnhcumfhithhtuceoshhtvghvvgesshhkvddrohhrgheqnecukfhppedtrddtrddtrddtpdekkedruddvvddruddviedrudduieenucevlhhushhtvghrufhiiigvpedunecurfgrrhgrmhepmhhouggvpehsmhhtphdqohhuthdphhgvlhhopehplhgrhigvrhejjeelrdhhrgdrohhvhhdrnhgvthdpihhnvghtpedtrddtrddtrddtpdhmrghilhhfrhhomhepshhtvghvvgesshhkvddrohhrghdprhgtphhtthhopehlihhnuhigqdguohgtsehvghgvrhdrkhgvrhhnvghlrdhorhhg Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org This describes the SPARC-specific stop-a sysctl entry, which was previously listed in kernel.rst but not documented. Base on the implementation in arch/sparc/kernel/setup_{32,64}.c and kernel/panic.c. Signed-off-by: Stephen Kitt --- Documentation/admin-guide/sysctl/kernel.rst | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst index 76ff10f6f63a..795d8e695f50 100644 --- a/Documentation/admin-guide/sysctl/kernel.rst +++ b/Documentation/admin-guide/sysctl/kernel.rst @@ -1068,6 +1068,16 @@ compilation sees a 1% slowdown, other systems and workloads may vary. stop-a (SPARC only) =================== +Controls Stop-A: + += ==================================== +0 Stop-A has no effect. +1 Stop-A breaks to the PROM (default). += ==================================== + +Stop-A is always enabled on a panic, so that the user can return to +the boot PROM. + sysrq ===== -- 2.20.1