Messages in this thread | | | From | Rusty Russell <> | Subject | Re: Another idea for simplifying locking in kernel/module.c | Date | Sat, 11 Jan 2003 14:53:23 +1100 |
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In message <200301101116.DAA03752@baldur.yggdrasil.com> you write: > I wrote: > >On Thu, 09 Jan 2003, Max Krasnyansky wrote: > >>We have to be able to call try_module_get() from interrupt context. > > > Where? Why? Please show me one or more examples. > > Come to think of it, I don't think you even have to answer > that question. You should be able to use my try_module_get() from > interrupt context. It never blocks.
Yes, your try_module_get just gets spurious failures on SMP, as well as thrashing the cacheline (why bother with one counter per CPU then?).
I guess I just don't understand your solution?
Sorry, Rusty. -- Anyone who quotes me in their sig is an idiot. -- Rusty Russell. - 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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