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

[John Donnelly]

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