Re: [PATCH v3 11/18] dmaengine: idxd: ims setup for the vdcm

From: Jason Gunthorpe
Date: Fri Oct 09 2020 - 07:57:44 EST


On Thu, Oct 08, 2020 at 06:22:31PM -0700, Raj, Ashok wrote:

> Not randomly put there Jason :-).. There is a good reason for it.

Sure the PASID value being associated with the IRQ make sense, but
combining that register with the interrupt mask is just a compltely
random thing to do.

If this HW was using MSI-X PASID would have been given its own
register.

Jason