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

From: Kees Cook
Date: Fri May 15 2020 - 14:44:54 EST


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.

-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(-)

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2.20.1