On Fri, Aug 28, 2015 at 7:42 PM, Eric Dumazet <eric.duma...@gmail.com> wrote:
>
> We could add yet another cond_resched() in the reverse loop, or we
> can simply remove the reversal, as I do not think anything
> would depend on order of task_work_add() submitted works.
So I think this should be ok, with things like file closing not really
caring about ordering as far as I can tell.
However, has anybody gone through all the task-work users? I looked
quickly at the task_work_add() cases, and didn't see anything that
looked like it would care, but others should look too. In the vfs,
theres' the delayed fput and mnt freeing, and there's a keyring
installation one.
The threaded irq handlers use it as that exit-time hack, which
certainly shouldn't care, and there's some uprobe thing.
Can anybody see anything fishy?
Linus
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