On Fri, May 01, 2020 at 03:31:51PM -0700, Dey, Megha wrote: > > > This has been my concern reviewing the implementation. IMS needs more > > > than one in-tree user to validate degrees of freedom in the api. I had > > > been missing a second "in-tree user" to validate the scope of the > > > flexibility that was needed. > > > > IMS is too narrowly specified. > > > > All platforms that support MSI today can support IMS. It is simply a > > way for the platform to give the driver an addr/data pair that triggers > > an interrupt when a posted write is performed to that pair. > > > > Well, yes and no. IMS requires interrupt remapping in addition to the > dynamic nature of IRQ allocation. You've mentioned remapping a few times, but I really can't understand why it has anything to do with platform_msi or IMS.. Jason
