Re: [PATCH v4 0/6] allow ramoops to collect all kmesg_dump events

From: Pavel Tatashin
Date: Fri May 15 2020 - 15:14:12 EST


On Fri, May 15, 2020 at 2:44 PM Kees Cook <keescook@xxxxxxxxxxxx> 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@xxxxxxxxxxxxxx/
> - fix dump_oops vs max_reason module params
> 20200512233504.GA118720@sequoia/">https://lore.kernel.org/lkml/20200512233504.GA118720@sequoia/
> - typos
> https://lore.kernel.org/lkml/4cdeaa2af2fe0d6cc2ca8ce3a37608340799df8a.camel@xxxxxxxxxxx/
> - rename DT parsing routines ..._size -> ..._u32
> https://lore.kernel.org/lkml/CA+CK2bCu8eFomiU+NeBjVn-o2dbuECxwRfssNjB3ys3caCbXeA@xxxxxxxxxxxxxx/
> v3: https://lore.kernel.org/lkml/20200506211523.15077-1-keescook@xxxxxxxxxxxx/
> v2: https://lore.kernel.org/lkml/20200505154510.93506-1-pasha.tatashin@xxxxxxxxxx
> v1: https://lore.kernel.org/lkml/20200502143555.543636-1-pasha.tatashin@xxxxxxxxxx
>
> 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
>