This patchset adds a binder feature that allows userspace to subscribe
to frozen state changes. See patch 1/2 for more details on why this is
needed. Patch 1/2 contains the core implementation. Patch 2/2 contains
a binderfs change so userspace can query whether this feature is
supported.


Yu-Ting Tseng (2):
  binder: frozen notification
  binder: frozen notification binder_features flag

 drivers/android/binder.c                      | 284 +++++++++++++++++-
 drivers/android/binder_internal.h             |  21 +-
 drivers/android/binderfs.c                    |   8 +
 include/uapi/linux/android/binder.h           |  36 +++
 .../filesystems/binderfs/binderfs_test.c      |   1 +
 5 files changed, 346 insertions(+), 4 deletions(-)


base-commit: 14d7c92f8df9c0964ae6f8b813c1b3ac38120825
-- 
2.45.2.803.g4e1b14247a-goog