lkml.org 
[lkml]   [2023]   [Mar]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v1 02/14] iommufd: Add nesting related data structures for ARM SMMUv3
On Thu, Mar 09, 2023 at 08:50:52PM -0800, Nicolin Chen wrote:
> On Thu, Mar 09, 2023 at 10:48:50AM -0400, Jason Gunthorpe wrote:
>
> > Nicolin, I think we should tweak the uAPI here so that the
> > invalidation opaque data has a format tagged on its own, instead of
> > re-using the HWPT tag. Ie you can have a ARM SMMUv3 invalidate type
> > tag and also a virtio-viommu invalidate type tag.
>
> The invalidation tage is shared with the hwpt allocation. Does
> it mean that virtio-iommu won't have it's own allocation tag?

We probably shouldn't assume it will

Jason

\
 
 \ /
  Last update: 2023-03-27 00:53    [W:0.286 / U:0.340 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site