linux-kernel - Re: [PATCH v4 0/6] allow ramoops to collect all kmesg

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Date:   Fri, 15 May 2020 15:13:24 -0400
From:   Pavel Tatashin <pasha.tatashin@...een.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Petr Mladek <pmladek@...e.com>, Anton Vorontsov <anton@...msg.org>,
        Colin Cross <ccross@...roid.com>,
        Tony Luck <tony.luck@...el.com>,
        Jonathan Corbet <corbet@....net>,
        Benson Leung <bleung@...omium.org>,
        Rob Herring <robh+dt@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>, devicetree@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v4 0/6] allow ramoops to collect all kmesg_dump events

On Fri, May 15, 2020 at 2:44 PM Kees Cook <keescook@...omium.org> wrote:
>
> Hello!
>
> I wanted to get the pstore tree nailed down, so here's the v4 of
> Pavel's series, tweaked for the feedback during v3 review.

Hi Kees,

Thank you, I was planning to send a new version of this series later
today. Let me quickly review it.

Pasha

>
> -Kees
>
> v4:
> - rebase on pstore tree
> - collapse shutdown types into a single dump reason
>   https://lore.kernel.org/lkml/CA+CK2bAPv5u1ih5y9t5FUnTyximtFCtDYXJCpuyjOyHNOkRdqw@mail.gmail.com/
> - fix dump_oops vs max_reason module params
>   https://lore.kernel.org/lkml/20200512233504.GA118720@sequoia/
> - typos
>   https://lore.kernel.org/lkml/4cdeaa2af2fe0d6cc2ca8ce3a37608340799df8a.camel@perches.com/
> - rename DT parsing routines ..._size -> ..._u32
>   https://lore.kernel.org/lkml/CA+CK2bCu8eFomiU+NeBjVn-o2dbuECxwRfssNjB3ys3caCbXeA@mail.gmail.com/
> v3: https://lore.kernel.org/lkml/20200506211523.15077-1-keescook@chromium.org/
> v2: https://lore.kernel.org/lkml/20200505154510.93506-1-pasha.tatashin@soleen.com
> v1: https://lore.kernel.org/lkml/20200502143555.543636-1-pasha.tatashin@soleen.com
>
> Kees Cook (3):
>   printk: Collapse shutdown types into a single dump reason
>   printk: Introduce kmsg_dump_reason_str()
>   pstore/ram: Introduce max_reason and convert dump_oops
>
> Pavel Tatashin (3):
>   printk: honor the max_reason field in kmsg_dumper
>   pstore/platform: Pass max_reason to kmesg dump
>   ramoops: Add max_reason optional field to ramoops DT node
>
>  Documentation/admin-guide/ramoops.rst         | 14 +++--
>  .../bindings/reserved-memory/ramoops.txt      | 13 ++++-
>  arch/powerpc/kernel/nvram_64.c                |  4 +-
>  drivers/platform/chrome/chromeos_pstore.c     |  2 +-
>  fs/pstore/platform.c                          | 26 ++-------
>  fs/pstore/ram.c                               | 58 +++++++++++++------
>  include/linux/kmsg_dump.h                     | 12 +++-
>  include/linux/pstore.h                        |  7 +++
>  include/linux/pstore_ram.h                    |  2 +-
>  kernel/printk/printk.c                        | 32 ++++++++--
>  kernel/reboot.c                               |  6 +-
>  11 files changed, 114 insertions(+), 62 deletions(-)
>
> --
> 2.20.1
>