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

[Amit Kachhap]

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>
> > ---
> > Â Documentation/admin-guide/kdump/vmcoreinfo.rst | 6 ++++++
> > Â 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
> > Â The kernel randomization offset. Used to compute the page offset. If
> > Â 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.
> > +
> > Â arm
> > Â ===
>
>
> 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
>