[PATCH 07/10] um: Should hold tasklist_lock while traversing processes

Richard Weinberger richard at nod.at
Sat Mar 24 22:12:40 EST 2012

Am 24.03.2012 11:30, schrieb Anton Vorontsov:
> Traversing the tasks requires holding tasklist_lock, otherwise it
> is unsafe.
> p.s. However, I'm not sure that calling os_kill_ptraced_process()
> in the atomic context is correct. It seem to work, but please
> take a closer look.

os_kill_ptraced_process() calls a host function.
From UML's point of view nothing sleeps, so this is fine.

Acked-by: Richard Weinberger <richard at nod.at>


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