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=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 B8B68C4332D for ; Fri, 20 Mar 2020 10:26:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 97C8A20754 for ; Fri, 20 Mar 2020 10:26:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727047AbgCTK0T (ORCPT ); Fri, 20 Mar 2020 06:26:19 -0400 Received: from foss.arm.com ([217.140.110.172]:47118 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726527AbgCTK0S (ORCPT ); Fri, 20 Mar 2020 06:26:18 -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 D07DD31B; Fri, 20 Mar 2020 03:26:17 -0700 (PDT) Received: from [10.57.21.157] (unknown [10.57.21.157]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 3C1B83F305; Fri, 20 Mar 2020 03:26:13 -0700 (PDT) Subject: Re: [PATCH 2/2] Documentation/vmcoreinfo: Add documentation for 'KERNELPACMASK' To: John Donnelly , linux-arm-kernel@lists.infradead.org Cc: Mark Rutland , Catalin Marinas , Bhupesh Sharma , kexec@lists.infradead.org, linux-kernel@vger.kernel.org, James Morse , Dave Anderson , Vincenzo Frascino , Will Deacon References: <1584603551-23845-1-git-send-email-amit.kachhap@arm.com> <1584603551-23845-2-git-send-email-amit.kachhap@arm.com> <5235269c-e3c7-efff-6083-a05a39699735@Oracle.com> From: Amit Kachhap Message-ID: <3d8eb414-c70c-f97b-b2e0-376ebd99403c@arm.com> Date: Fri, 20 Mar 2020 15:56:11 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <5235269c-e3c7-efff-6083-a05a39699735@Oracle.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 3/19/20 7:21 PM, John Donnelly wrote: > On 3/19/20 2:39 AM, Amit Daniel Kachhap wrote: >> 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 >>   === >> >> > > > Hi, > > Does this require changes to the  makedumpfile or crash utilities ? I did the corresponding change in crash tool. The link is mentioned in first patch of the series. Thanks, Amit Daniel > > >