Re: [PATCH v3 2/6] pstore/platform: Pass max_reason to kmesg dump

Kees Cook
2020-05-06T22:40:27Z

On Wed, May 06, 2020 at 02:25:41PM -0700, Joe Perches wrote:
> On Wed, 2020-05-06 at 14:15 -0700, Kees Cook wrote:
> > From: Pavel Tatashin <pasha.tatashin@soleen.com>
> >
> > Add a new member to struct pstore_info for passing information about
> > kmesg dump maximum reason. This allows a finer control of what kmesg
> > dumps are sent to pstore storage backends.
>
> trivia:
>
> > diff --git a/include/linux/pstore.h b/include/linux/pstore.h
> []
> > @@ -96,6 +96,12 @@ struct pstore_record {
> > *
> > * @read_mutex: serializes @open, @read, @close, and @erase callbacks
> > * @flags: bitfield of frontends the backend can accept writes for
> > + * @max_reason: Used when PSTORE_FLAGS_DMESG is set. Contains the
> > + * kmsg_dump_reason enum value. KMSG_DUMP_UNDEF means
> > + * "use existing kmsg_dump() filtering, based on the
> > + * printk.always_kmsg_dump boot param" (which is either
> > + * KMSG_DUMP_OOPS when false, or KMSG_DUMP_MAX when
> > + * tree); see printk.always_kmsg_dump for more details.
>
> s/tree/true/

Eek, thanks. I'll fix my typo. :)

--
Kees Cook