Re: [PATCH] elf_fdpic_core_dump: don't take tasklist_lock

[David Howells]

Oleg Nesterov <oleg@xxxxxxxxxx> wrote:

> do_each_thread() is rcu-safe, and all tasks which use this ->mm must
> sleep in wait_for_completion(&mm->core_done) at this point, so we can
> use RCU locks.

Looks reasonable.

Acked-By: David Howells <dhowells@xxxxxxxxxx>
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