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SubjectRe: [PATCH] Use workqueue for call_usermodehelper
Chris Wright wrote:
> * Rusty Russell (rusty@rustcorp.com.au) wrote:
>
>>[ Vatsa, this should solve your NUMA+HOTPLUG_CPU deadlock too, I think ]
>>
>>This uses the create_singlethread_workqueue() function presented in the
>>last patch, although it could just as easily use create_workqueue().
>
>
> Nice, this seems like it should fixup the problem Brian was seeing too,
> and maintain return code from kernel_thread(), etc. instead of the async
> option. Brian, did you give these changes a whirl? (they're in latest
> -mm tree)

I tried out the fix on my system and it seemed to work fine. However, I
am having trouble recreating the deadlock with old code now that my
system has been reconfigured...

-Brian


--
Brian King
eServer Storage I/O
IBM Linux Technology Center

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