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@xxxxxxxxxx> > > > > 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