Messages in this thread | | | Date | Thu, 7 Dec 2006 09:57:15 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] Export current_is_keventd() for libphy |
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On Thu, 07 Dec 2006 12:05:38 -0500 Jeff Garzik <jeff@garzik.org> wrote:
> Yes, I merged the code, but looking deeper at phy its clear I missed > some things. > > Looking into libphy's workqueue stuff, it has the following sequence: > > disable interrupts > schedule_work() > > ... time passes ... > ... workqueue routine is called ... > > enable interrupts > handle interrupt > > I really have to question if a workqueue was the best choice of > direction for such a sequence. You don't want to put off handling an > interrupt, with interrupts disabled, for a potentially unbounded amount > of time.
That'll lock the box on UP, or if the timer fires on the current CPU?
> Maybe the best course of action is to mark it with CONFIG_BROKEN until > it gets fixed.
hm, maybe. I wonder if as a short-term palliative we could remove the current_is_keventd() call and drop rtnl_lock. Or export current_is_keventd ;) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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