From: Joe Perches <joe@perches.com>
To: Kees Cook <keescook@chromium.org>,
Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: Anton Vorontsov <anton@enomsg.org>,
Colin Cross <ccross@android.com>, Tony Luck <tony.luck@intel.com>,
Jonathan Corbet <corbet@lwn.net>,
Rob Herring <robh+dt@kernel.org>,
Benson Leung <bleung@chromium.org>,
Enric Balletbo i Serra <enric.balletbo@collabora.com>,
Petr Mladek <pmladek@suse.com>,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
jmorris@namei.org, sashal@kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v3 2/6] pstore/platform: Pass max_reason to kmesg dump
Date: Wed, 06 May 2020 14:25:41 -0700 [thread overview]
Message-ID: <4cdeaa2af2fe0d6cc2ca8ce3a37608340799df8a.camel@perches.com> (raw)
In-Reply-To: <20200506211523.15077-3-keescook@chromium.org>
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/
next prev parent reply other threads:[~2020-05-06 21:25 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-06 21:15 [PATCH v3 0/6] allow ramoops to collect all kmesg_dump events Kees Cook
2020-05-06 21:15 ` [PATCH v3 1/6] printk: honor the max_reason field in kmsg_dumper Kees Cook
2020-05-06 21:15 ` [PATCH v3 2/6] pstore/platform: Pass max_reason to kmesg dump Kees Cook
2020-05-06 21:25 ` Joe Perches [this message]
2020-05-06 22:40 ` Kees Cook
2020-05-06 21:15 ` [PATCH v3 3/6] pstore/ram: Refactor DT size parsing Kees Cook
2020-05-07 12:57 ` Pavel Tatashin
2020-05-07 18:04 ` Kees Cook
2020-05-06 21:15 ` [PATCH v3 4/6] pstore/ram: Introduce max_reason and convert dump_oops Kees Cook
2020-05-06 21:17 ` Kees Cook
2020-05-12 23:35 ` Tyler Hicks
2020-05-12 23:57 ` Kees Cook
2020-05-16 2:43 ` Kees Cook
2020-05-06 21:15 ` [PATCH v3 5/6] ramoops: Add max_reason optional field to ramoops DT node Kees Cook
2020-05-06 21:15 ` [PATCH v3 6/6] pstore/ram: Adjust module param permissions to reflect reality Kees Cook
2020-05-12 13:16 ` [PATCH v3 0/6] allow ramoops to collect all kmesg_dump events Petr Mladek
2020-05-12 14:03 ` Pavel Tatashin
2020-05-12 15:52 ` Petr Mladek
2020-05-12 16:03 ` Steven Rostedt
2020-05-12 16:49 ` Pavel Tatashin
2020-05-12 18:53 ` Kees Cook
2020-05-12 18:45 ` Kees Cook
2020-05-13 7:34 ` Petr Mladek
2020-05-13 7:47 ` Kees Cook
2020-05-13 14:35 ` Pavel Tatashin
2020-05-13 20:15 ` Kees Cook
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4cdeaa2af2fe0d6cc2ca8ce3a37608340799df8a.camel@perches.com \
--to=joe@perches.com \
--cc=anton@enomsg.org \
--cc=bleung@chromium.org \
--cc=ccross@android.com \
--cc=corbet@lwn.net \
--cc=devicetree@vger.kernel.org \
--cc=enric.balletbo@collabora.com \
--cc=jmorris@namei.org \
--cc=keescook@chromium.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=pasha.tatashin@soleen.com \
--cc=pmladek@suse.com \
--cc=robh+dt@kernel.org \
--cc=rostedt@goodmis.org \
--cc=sashal@kernel.org \
--cc=sergey.senozhatsky@gmail.com \
--cc=tony.luck@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).