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=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 11848C4332B for ; Thu, 19 Mar 2020 11:15:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E223A20739 for ; Thu, 19 Mar 2020 11:15:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726979AbgCSLP1 (ORCPT ); Thu, 19 Mar 2020 07:15:27 -0400 Received: from foss.arm.com ([217.140.110.172]:33512 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725601AbgCSLP1 (ORCPT ); Thu, 19 Mar 2020 07:15:27 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id CAD5B1045; Thu, 19 Mar 2020 04:15:26 -0700 (PDT) Received: from a075553-lin.blr.arm.com (unknown [10.162.16.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 96D6D3FA4D; Thu, 19 Mar 2020 00:39:36 -0700 (PDT) From: Amit Daniel Kachhap To: linux-arm-kernel@lists.infradead.org Cc: kexec@lists.infradead.org, linux-kernel@vger.kernel.org, Bhupesh Sharma , Vincenzo Frascino , Mark Rutland , Catalin Marinas , Will Deacon , Amit Daniel Kachhap , James Morse , Dave Anderson Subject: [PATCH 2/2] Documentation/vmcoreinfo: Add documentation for 'KERNELPACMASK' Date: Thu, 19 Mar 2020 13:09:11 +0530 Message-Id: <1584603551-23845-2-git-send-email-amit.kachhap@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1584603551-23845-1-git-send-email-amit.kachhap@arm.com> References: <1584603551-23845-1-git-send-email-amit.kachhap@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add documentation for KERNELPACMASK variable being added to vmcoreinfo. It indicates the PAC bits mask information of signed kernel pointers if ARMv8.3-A Pointer Authentication feature is present. Cc: Catalin Marinas Cc: Will Deacon Cc: Mark Rutland Cc: James Morse Cc: Dave Anderson Signed-off-by: Amit Daniel Kachhap --- Documentation/admin-guide/kdump/vmcoreinfo.rst | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/admin-guide/kdump/vmcoreinfo.rst b/Documentation/admin-guide/kdump/vmcoreinfo.rst index 007a6b8..5cc3ee6 100644 --- a/Documentation/admin-guide/kdump/vmcoreinfo.rst +++ b/Documentation/admin-guide/kdump/vmcoreinfo.rst @@ -393,6 +393,12 @@ KERNELOFFSET The kernel randomization offset. Used to compute the page offset. If KASLR is disabled, this value is zero. +KERNELPACMASK +------------- + +Indicates the PAC bits mask information if Pointer Authentication is +enabled and address authentication feature is present. + arm === -- 2.7.4