Strange logic in r336438

Hans Petter Selasky hps at selasky.org
Fri Jan 17 09:46:16 UTC 2020


On 2020-01-17 00:31, Eric van Gyzen wrote:
> I was just reviewing r336438:
> 
> https://svnweb.freebsd.org/base?view=revision&revision=336438
> 
> In bxe_interrupt_detach(), the nested loops over sc->num_queues don't 
> look right.  We drain the taskqueues for queue 0, but then free the 
> taskqueues for queues 1-N without draining them.  Should the second loop 
> come _after_ the first loop, instead of _in_ it?
> 

Hi,

taskqueue_free() will do some kind of last minute draining, if you look 
at the implementation.

However if you want to ensure all tasks are completed, taskqueue_drain() 
before free() is preferred.

--HPS



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