Re: [PATCH 2/2] Documentation/vmcoreinfo: Add documentation for 'KERNELPACMASK'

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Hi,

On 3/19/20 7:21 PM, John Donnelly wrote:
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 ?

I did the corresponding change in crash tool. The link is mentioned in first patch of the series.

Thanks,
Amit Daniel




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