Hi,
On 5/4/20 11:04 PM, Will Deacon wrote:
On Mon, Apr 27, 2020 at 11:55:02AM +0530, Amit Daniel Kachhap wrote:
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 <catalin.mari...@arm.com>
Cc: Will Deacon <w...@kernel.org>
Cc: Mark Rutland <mark.rutl...@arm.com>
Cc: Dave Young <dyo...@redhat.com>
Cc: Baoquan He <b...@redhat.com>
Signed-off-by: Amit Daniel Kachhap <amit.kach...@arm.com>
---
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.
This is a bit cryptic. How about:
The mask to extract the Pointer Authentication Code from a kernel virtual
address.
Ok sure. I will update like this in the v3 version.
Cheers,
Amit Daniel
Will
