On 20/12/2021 13:57, Robin Murphy wrote:
Do you have any thoughts on this patch? The decision is whether we
stick with a single iova domain structure or support this super
structure for iova domains which support the rcache. I did not try the
former - it would be do-able but I am not sure on ho
Hi John,
On 2021-12-20 08:49, John Garry wrote:
On 24/09/2021 11:01, John Garry wrote:
Only dma-iommu.c and vdpa actually use the "fast" mode of IOVA alloc and
free. As such, it's wasteful that all other IOVA domains hold the rcache
memories.
In addition, the current IOVA domain init implement
On 24/09/2021 11:01, John Garry wrote:
Only dma-iommu.c and vdpa actually use the "fast" mode of IOVA alloc and
free. As such, it's wasteful that all other IOVA domains hold the rcache
memories.
In addition, the current IOVA domain init implementation is poor
(init_iova_domain()), in that errors
Only dma-iommu.c and vdpa actually use the "fast" mode of IOVA alloc and
free. As such, it's wasteful that all other IOVA domains hold the rcache
memories.
In addition, the current IOVA domain init implementation is poor
(init_iova_domain()), in that errors are ignored and not passed to the
caller