Re: [PATCH v4 0/6] mm/migrate: avoid device private invalidations

2020-07-28 Thread Jason Gunthorpe
On Thu, Jul 23, 2020 at 03:29:58PM -0700, Ralph Campbell wrote: > The goal for this series is to avoid device private memory TLB > invalidations when migrating a range of addresses from system > memory to device private memory and some of those pages have already > been migrated. The approach

[PATCH v4 0/6] mm/migrate: avoid device private invalidations

2020-07-23 Thread Ralph Campbell
The goal for this series is to avoid device private memory TLB invalidations when migrating a range of addresses from system memory to device private memory and some of those pages have already been migrated. The approach taken is to introduce a new mmu notifier invalidation event type and use