[GIT PULL] pstore updates for v4.10-rc1

[Kees Cook <keescook@chromium.org>]

Hi,

As requested, here's an early pull request for v4.10. :) Please pull these
pstore changes for v4.10-rc1.

Thanks!

-Kees

The following changes since commit 07d9a380680d1c0eb51ef87ff2eab5c994949e69:

  Linux 4.9-rc2 (2016-10-23 17:10:14 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git tags/pstore-v4.10-rc1

for you to fetch changes up to fc46d4e453f50d2b376267f180cae250b54f9fb4:

  ramoops: add pdata NULL check to ramoops_probe (2016-11-15 16:34:32 -0800)

----------------------------------------------------------------
Improvements and fixes to pstore subsystem:

- Add additional checks for bad platform data

- Remove bounce buffer in console writer

- Protect read/unlink race with a mutex

- Correctly give up during dump locking failures

- Increase ftrace bandwidth by splitting ftrace buffers per CPU

----------------------------------------------------------------
Joel Fernandes (8):
      pstore: Make spinlock per zone instead of global
      pstore: Warn on PSTORE_TYPE_PMSG using deprecated function
      pstore: Allow prz to control need for locking
      ramoops: Split ftrace buffer space into per-CPU zones
      pstore: Add ftrace timestamp counter
      pstore: Merge per-CPU ftrace records into one
      ftrace: Provide API to use global filtering for ftrace ops
      pstore: Use global ftrace filters for function trace filtering

Kees Cook (4):
      pstore: Make ramoops_init_przs generic for other prz arrays
      pstore: improve error report for failed setup
      pstore: Clarify context field przs as dprzs
      ramoops: add pdata NULL check to ramoops_probe

Li Pengcheng (1):
      pstore: Actually give up during locking failure

Namhyung Kim (2):
      pstore: Protect unlink with read_mutex
      pstore: Convert console write to use ->write_buf

 .../bindings/reserved-memory/ramoops.txt           |   3 +
 fs/pstore/ftrace.c                                 |  11 +-
 fs/pstore/inode.c                                  |  15 +-
 fs/pstore/internal.h                               |  34 ---
 fs/pstore/platform.c                               |   5 +-
 fs/pstore/ram.c                                    | 327 ++++++++++++++++-----
 fs/pstore/ram_core.c                               |  27 +-
 include/linux/ftrace.h                             |   2 +
 include/linux/pstore.h                             |  76 +++++
 include/linux/pstore_ram.h                         |  14 +-
 kernel/trace/ftrace.c                              |  17 ++
 11 files changed, 404 insertions(+), 127 deletions(-)

-- 
Kees Cook
Nexus Security