Re: Question on handling managed IRQs when hotplugging CPUs
From: John Garry
Date: Wed Feb 06 2019 - 04:22:01 EST
On 05/02/2019 18:23, Christoph Hellwig wrote:
On Tue, Feb 05, 2019 at 03:09:28PM +0000, John Garry wrote:
For SCSI devices, unfortunately not all IO sent to the HW originates from
blk-mq or any other single entity.
Where else would SCSI I/O originate from?
Please note that I was referring to other management IO, like SAS SMP,
TMFs, and other proprietary commands which the driver may generate for
the HBA - https://marc.info/?l=linux-scsi&m=154831889001973&w=2
discusses some of them also.