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SubjectRe: Another idea for simplifying locking in kernel/module.c
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.


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