From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: From: Amit Daniel Kachhap Subject: [PATCH v3 2/2] Documentation/vmcoreinfo: Add documentation for 'KERNELPACMASK' Date: Mon, 11 May 2020 18:31:56 +0530 Message-Id: <1589202116-18265-2-git-send-email-amit.kachhap@arm.com> In-Reply-To: <1589202116-18265-1-git-send-email-amit.kachhap@arm.com> References: <1589202116-18265-1-git-send-email-amit.kachhap@arm.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: linux-arm-kernel@lists.infradead.org Cc: Mark Rutland , Baoquan He , Catalin Marinas , Bhupesh Sharma , Dave Young , kexec@lists.infradead.org, linux-kernel@vger.kernel.org, James Morse , Amit Daniel Kachhap , Vincenzo Frascino , Will Deacon Add documentation for KERNELPACMASK variable being added to the 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: Dave Young Cc: Baoquan He 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..e4ee8b2 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 +------------- + +The mask to extract the Pointer Authentication Code from a kernel virtual +address. + arm === -- 2.7.4 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec