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    SubjectRe: [PATCH 1/5] sched: Convert thread_group_cputime() to use for_each_thread()
    On Wed, Apr 09, 2014 at 06:11:18PM +0200, Frederic Weisbecker wrote:
    > do_each_thread/while_each_thread iterators are deprecated by
    > for_each_thread/for_each_process_thread() APIs.
    >
    > Lets convert the callers in the cputime code accounting. The ultimate
    > goal is to remove the struct task_struct::thread_group field and
    > the corresponding do_each_thread/while_each_thread iterators that are
    > RCU unsafe.
    >
    > It also makes thread_group_cputime() eventually RCU-safe.

    this fails to explain how the current code is broken.


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