Commit c0fc00ec authored May 11, 2020 by Amit Daniel Kachhap Committed by Will Deacon May 11, 2020

Documentation/vmcoreinfo: Add documentation for 'KERNELPACMASK'

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.

Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: Baoquan He <bhe@redhat.com>
Link: https://lore.kernel.org/r/1589202116-18265-2-git-send-email-amit.kachhap@arm.com

Signed-off-by: Will Deacon <will@kernel.org>

parent 203b1152

Documentation/admin-guide/kdump/vmcoreinfo.rst

+6 −0

Original line number	Diff line number	Diff line
		@@ -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
		===