Thread (5 messages) 5 messages, 3 authors, 2022-06-14

Re: [PATCH 09/10] scsi/ibmvscsi: Replace srp tasklet with work

From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: 2022-06-09 15:02:54
Also in: linux-scsi

On 2022-05-30 16:15:11 [-0700], Davidlohr Bueso wrote:
Tasklets have long been deprecated as being too heavy on the system
by running in irq context - and this is not a performance critical
path. If a higher priority process wants to run, it must wait for
the tasklet to finish before doing so.

Process srps asynchronously in process context in a dedicated
single threaded workqueue.
I would suggest threaded interrupts instead. The pattern here is the
same as in the previous driver except here is less locking.

Sebastian
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