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 <catalin.marinas@xxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: James Morse <james.morse@xxxxxxx>
Cc: Dave Anderson <anderson@xxxxxxxxxx>
Signed-off-by: Amit Daniel Kachhap <amit.kachhap@xxxxxxx>
---
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 ?
--
Thank You,
John
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