Messages in this thread | | | From | "Adam J. Richter" <> | Date | Fri, 10 Jan 2003 01:38:03 -0800 | Subject | Re: Another idea for simplifying locking in kernel/module.c |
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On Thu, 09 Jan 2003, Max Krasnyansky wrote: >At 12:53 AM 1/7/2003 -0800, Adam J. Richter wrote: >>I wrote: >>> Here is a way to replace all of the specialized "stop CPU" >>>locking code in kernel/module.c with an rw_semaphore by using >>>down_read_trylock in try_module_get() and down_write when beginning to >>>unload the module. >>> >>> The following UNTESTED patch, a net deletion of 136 lines, >> >> I am running that patch now on two computers. It seems to >>be OK. >> >> Rusty, I'd be interested in knowing what you think of the >>patch (likewise for other lkml readers).
>We have to be able to call try_module_get() from interrupt context.
Where? Why? Please show me one or more examples.
Adam J. Richter __ ______________ 575 Oroville Road adam@yggdrasil.com \ / Milpitas, California 95035 +1 408 309-6081 | g g d r a s i l United States of America "Free Software For The Rest Of Us." - 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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