Received: by 2002:a25:d783:0:0:0:0:0 with SMTP id o125csp527990ybg; Thu, 19 Mar 2020 04:16:13 -0700 (PDT) X-Google-Smtp-Source: ADFU+vtgCw20PPnP/5Zuxy3NDOEzEqm/O19P7h5EsgNh6ci66ny+H9aiCfAxaSA2m3qihSFbh/Zb X-Received: by 2002:aca:4b56:: with SMTP id y83mr1964483oia.142.1584616572956; Thu, 19 Mar 2020 04:16:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1584616572; cv=none; d=google.com; s=arc-20160816; b=hdyFQsdTnImqHg3aylnj+t5tt7ruWjaRW1QisMMZKTDy4ofOSFzH9vmgGcedfm65W4 zDS7MPAZdkigSZo/yVrA9YTxzHjVssaT6OJwbH2Zvouz2qDW665u8fNAR2wiuE9z66ZU 7+ptiA2GWXDCeRRFkW2uUyuHmcPmBo7ers9sIaC6SWBjV8UDczE4MYQk6uHphgP5ZMvu 9c1imAGYzw7ksYKbBCKU2teO9ZTKY7xi9G04mKXfnF6xLBDBrcxX0nDeedLZr1nPGMMn pPvRArvlngVTjm4NgyFLTMxtEHobbESNrTl7Z6U2ILbBXFtBUwh0sJTDiTSoLlbRCxgT lvKQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from; bh=V+smeXla43GkCXfcFTQDyv/DzmDcmyIO34WDQuKv7XM=; b=XRE6U8wVJOjfFCK0mtHOAXxI9AuWcQYMgSm8XMdqRaMnmr8DgXtoGFvvVIThumTQwr x3PSEYnT8jI0XMYcN4DL2vLxNhi3LVcS4FEABmblYNRhdRJB4HJwE4XeAi/zKEY2VJJk mw8FIC59QnsHTIXBv24P0YNJj9W6pLV86f7UAv36psXzTxcRdNBwys+rYUM8LuX6oL2w Pmznh4Coem5ve8dq1s6I6d+vbfJRc/xMc4YIPWY6hMDRNHiTdxTMwGBvCsSuEnui8HpK vO9JyGcfNYuCwhF36h7NlGm5ll2cjpiDk2EknUVJw5FXQpVYgYIUDccpOCAThGgKPSMB q3Lg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 18si936922oin.182.2020.03.19.04.15.47; Thu, 19 Mar 2020 04:16:12 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726936AbgCSLP1 (ORCPT + 99 others); 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