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.marinas@xxxxxxx> > Cc: Will Deacon <will@xxxxxxxxxx> > Cc: Mark Rutland <mark.rutland@xxxxxxx> > Cc: Dave Young <dyoung@xxxxxxxxxx> > Cc: Baoquan He <bhe@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. This is a bit cryptic. How about: The mask to extract the Pointer Authentication Code from a kernel virtual address. Will _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
