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Author SHA1 Message Date
Elena Reshetova 387ad9674b kernel: convert cgroup_namespace.count from atomic_t to refcount_t 
refcount_t type and corresponding API should be
used instead of atomic_t when the variable is used as
a reference counter. This allows to avoid accidental
refcounter overflows that might lead to use-after-free
situations.

Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Windsor <dwindsor@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
 2017-03-06 14:55:22 -05:00
Ingo Molnar 56cd697366 sched/headers: Move the task_lock()/unlock() APIs to <linux/sched/task.h> 
The task_lock()/task_unlock() APIs are not realated to core scheduling,
they are task lifetime APIs, i.e. they belong into <linux/sched/task.h>.

Move them.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2017-03-03 01:45:22 +01:00
Tejun Heo dcfe149b9f cgroup: move namespace code to kernel/cgroup/namespace.c 
get/put_css_set() get exposed in cgroup-internal.h in the process.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Acked-by: Zefan Li <lizefan@huawei.com>
 2016-12-27 14:49:09 -05:00