Re: [PATCH v11 01/12] iova: Export alloc_iova_fast() and free_iova_fast()

From: Will Deacon
Date: Wed Aug 25 2021 - 05:55:53 EST


On Tue, Aug 24, 2021 at 02:08:33PM -0400, Michael S. Tsirkin wrote:
> On Wed, Aug 18, 2021 at 08:06:31PM +0800, Xie Yongji wrote:
> > Export alloc_iova_fast() and free_iova_fast() so that
> > some modules can make use of the per-CPU cache to get
> > rid of rbtree spinlock in alloc_iova() and free_iova()
> > during IOVA allocation.
> >
> > Signed-off-by: Xie Yongji <xieyongji@xxxxxxxxxxxxx>
>
>
> This needs ack from iommu maintainers. Guys?

Looks fine to me:

Acked-by: Will Deacon <will@xxxxxxxxxx>

Will