On Wed, Mar 11, 2026 at 09:08:50PM +0200, Leon Romanovsky wrote: > From: Leon Romanovsky <[email protected]> > > The RDMA subsystem exposes DMA regions through the verbs interface, which > assumes a coherent system. Use the DMA_ATTR_REQUIRE_COHERENCE attribute to > ensure coherency and avoid taking the SWIOTLB path. > > In addition, a given region may be exported multiple times, which will trigger > warnings about cacheline overlaps. These warnings are suppressed when using > the new attribute. > Signed-off-by: Leon Romanovsky <[email protected]> > --- > drivers/infiniband/core/umem.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-)
Reviewed-by: Jason Gunthorpe <[email protected]> Jason
