| From: |
| Yuanhe Shu <xiangzao-AT-linux.alibaba.com> |
| To: |
| keescook-AT-chromium.org, tony.luck-AT-intel.com, gpiccoli-AT-igalia.com, shuah-AT-kernel.org, corbet-AT-lwn.net |
| Subject: |
| [PATCH v4 0/4] pstore: add multi-backend suuport |
| Date: |
| Fri, 08 Mar 2024 11:16:52 +0800 |
| Message-ID: |
| <20240308031656.9672-1-xiangzao@linux.alibaba.com> |
| Cc: |
| xlpang-AT-linux.alibaba.com, linux-kernel-AT-vger.kernel.org, xiangzao-AT-linux.alibaba.com, yixingrui-AT-linux.alibaba.com, linux-doc-AT-vger.kernel.org, linux-hardening-AT-vger.kernel.org, linux-kselftest-AT-vger.kernel.org |
| Archive-link: |
| Article |
This is the 4th version of the patch set. In this patchset we aim to add
pstore multi-backend support then user can register more than one pstore
backend.
Changes in v4:
- Replace all rcu_read_lock with mutex
- Move bif_oops_buf, max_compressed_size and pstore_dumper into
pstore_info_list
- add a helper to do "is this name in the list" and a helper to do
"is this backend loaded"
- make comments in pstore_(un)register clearer
- return the max_seen ret or the first negative err in write_pmsg()
- add a /sys/module entry for the list of backends, comma separated
- Link to v3: https://lore.kernel.org/all/20230928024244.257687-1-xiang...
Changes in v3:
- Fix ftrace.c build error
- Link to v2: https://lore.kernel.org/all/20240205122852.7069-1-xiangza...
Changes in v2:
- pstore.backend no longer acts as "registered backend", but
"backends eligible for registration".
- drop subdir since it will break user space
- drop tty frontend since I haven't yet devised a satisfactory
implementation strategy
- Link to v1: https://lore.kernel.org/all/20230928024244.257687-1-xiang...
Yuanhe Shu (4):
pstore: add multi-backend support
pstore: add a /sys/module entry for loaded backends
Documentation: adjust pstore backend related document
tools/testing: adjust pstore backend related selftest
Documentation/ABI/testing/pstore | 8 +-
.../admin-guide/kernel-parameters.txt | 4 +-
fs/pstore/ftrace.c | 27 +-
fs/pstore/inode.c | 57 +++-
fs/pstore/internal.h | 5 +-
fs/pstore/platform.c | 274 ++++++++++++------
fs/pstore/pmsg.c | 27 +-
include/linux/pstore.h | 23 ++
tools/testing/selftests/pstore/common_tests | 8 +-
.../selftests/pstore/pstore_post_reboot_tests | 67 +++--
tools/testing/selftests/pstore/pstore_tests | 2 +-
11 files changed, 358 insertions(+), 144 deletions(-)
--
2.39.3
