* Oleg Nesterov <[EMAIL PROTECTED]> wrote:
> But we don't need tasklist_lock at all, we can use
> rcu_read_lock/unlock. Q: don't we need task_rq_lock() to read
> ->cpus_allowed "atomically" ?
right now ->cpus_allowed is protected by tasklist_lock. We cannot do RCU
here because ->cpus_allowed modifications are not RCUified.
Ingo
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