On Fri, Nov 22, 2019 at 04:54:08PM -0800, Ralph Campbell wrote:
> Actually, I think you can remove the "need_wake" variable since it is
> unconditionally set to "true".
Oh, yes, thank you. An earlier revision had a different control flow
> Also, the comment in__mmu_interval_notifier_insert()
On 11/13/19 8:46 AM, Jason Gunthorpe wrote:
On Wed, Nov 13, 2019 at 05:59:52AM -0800, Christoph Hellwig wrote:
+int mmu_interval_notifier_insert(struct mmu_interval_notifier *mni,
+ struct mm_struct *mm, unsigned long start,
+
On Wed, Nov 13, 2019 at 05:59:52AM -0800, Christoph Hellwig wrote:
> > +int mmu_interval_notifier_insert(struct mmu_interval_notifier *mni,
> > + struct mm_struct *mm, unsigned long start,
> > + unsigned long length,
> > +
From: Jason Gunthorpe
Of the 13 users of mmu_notifiers, 8 of them use only
invalidate_range_start/end() and immediately intersect the
mmu_notifier_range with some kind of internal list of VAs. 4 use an
interval tree (i915_gem, radeon_mn, umem_odp, hfi1). 4 use a linked list
of some kind
