From patchwork Fri Oct 2 20:47:45 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeremy Linton X-Patchwork-Id: 7318871 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A6A829F302 for ; Fri, 2 Oct 2015 20:51:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C353F20875 for ; Fri, 2 Oct 2015 20:51:55 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E620520835 for ; Fri, 2 Oct 2015 20:51:54 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zi7HC-0002gO-Ce; Fri, 02 Oct 2015 20:49:58 +0000 Received: from eu-smtp-delivery-143.mimecast.com ([146.101.78.143]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zi7GA-0001lB-By for linux-arm-kernel@lists.infradead.org; Fri, 02 Oct 2015 20:48:55 +0000 Received: from cam-owa1.Emea.Arm.com (fw-tnat.cambridge.arm.com [217.140.96.140]) by eu-smtp-1.mimecast.com with ESMTP id uk-mta-7-S5SNRGuNSl-5C1h7PHAQfQ-1; Fri, 02 Oct 2015 21:48:32 +0100 Received: from mammon-v1.localdomain.localdomain ([10.1.2.79]) by cam-owa1.Emea.Arm.com with Microsoft SMTPSVC(6.0.3790.3959); Fri, 2 Oct 2015 21:48:32 +0100 From: Jeremy Linton To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 7/7] Document the use of the arm64 contpte/nonconpte flags. Date: Fri, 2 Oct 2015 15:47:45 -0500 Message-Id: <1443818865-19846-8-git-send-email-jeremy.linton@arm.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1443818865-19846-1-git-send-email-jeremy.linton@arm.com> References: <1443818865-19846-1-git-send-email-jeremy.linton@arm.com> X-OriginalArrivalTime: 02 Oct 2015 20:48:32.0193 (UTC) FILETIME=[B30E8310:01D0FD53] X-MC-Unique: S5SNRGuNSl-5C1h7PHAQfQ-1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151002_134854_896726_DE60504B X-CRM114-Status: UNSURE ( 6.22 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -5.2 (-----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: steve.capper@linaro.org, corbet@lwn.net, dwoods@ezchip.com, linux-doc@vger.kernel.org, will.deacon@arm.com, Jeremy Linton , catalin.marinas@arm.com, Shijie.Huang@arm.com, Dennis.Chen@arm.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP These flags allow the user to enable/disable the contiguous PTE detection and marking on the kernel command line for debugging purposes. Signed-off-by: Jeremy Linton --- Documentation/kernel-parameters.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 22a4b68..2766290 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -744,6 +744,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. seconds. Defaults to 10*60 = 10mins. A value of 0 disables the blank timer. + contpte [ARM64] Enable contiguous PTE marking for the kernel + linear range. This may be disabled with nocontpte. + Default: Enabled + coredump_filter= [KNL] Change the default value for /proc//coredump_filter.