* Linus Torvalds <torva...@linux-foundation.org> wrote: > 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?
So I'm wondering, is there any strong reason why we couldn't use a double linked list and still do FIFO and remove that silly linear list walking hack? Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/