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Subject[PATCH v2 0/7] pid: Introduce helper task_is_in_root_ns()
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The kernel uses open code to check if a process is in root PID namespace
or not in several places.

Suggested by Suzuki, this patch set is to create a helper function
task_is_in_init_pid_ns() to replace open code.

This patch set has been applied on the mainline kernel and built for
Arm64 kernel with enabling all relevant modules.

Changes from v1:
* Renamed helper function from task_is_in_root_ns() to
task_is_in_init_pid_ns(). (Leon Romanovsky)
* Improved patches' commit logs for more neat.


Leo Yan (7):
pid: Introduce helper task_is_in_init_pid_ns()
coresight: etm3x: Use task_is_in_init_pid_ns()
coresight: etm4x: Use task_is_in_init_pid_ns()
connector/cn_proc: Use task_is_in_init_pid_ns()
coda: Use task_is_in_init_pid_ns()
audit: Use task_is_in_init_pid_ns()
taskstats: Use task_is_in_init_pid_ns()

drivers/connector/cn_proc.c | 2 +-
drivers/hwtracing/coresight/coresight-etm3x-sysfs.c | 8 ++++----
drivers/hwtracing/coresight/coresight-etm4x-sysfs.c | 8 ++++----
fs/coda/inode.c | 2 +-
fs/coda/psdev.c | 2 +-
include/linux/pid_namespace.h | 5 +++++
kernel/audit.c | 2 +-
kernel/taskstats.c | 2 +-
8 files changed, 18 insertions(+), 13 deletions(-)

--
2.25.1

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