diff mbox series

[v4,2/5] mmu_notifiers: Fixup comment in mmu_interval_read_begin()

Message ID e7a09081b3ac82a03c189409f1262fc2df91071e.1690292440.git-series.apopple@nvidia.com (mailing list archive)
State New, archived
Headers show
Series Invalidate secondary IOMMU TLB on permission upgrade | expand

Commit Message

Alistair Popple July 25, 2023, 1:42 p.m. UTC 
The comment in mmu_interval_read_begin() refers to a function that
doesn't exist and uses the wrong call-back name. The op for mmu
interval notifiers is mmu_interval_notifier_ops->invalidate() so fix
the comment up to reflect that.

Signed-off-by: Alistair Popple <apopple@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
---
 mm/mmu_notifier.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
index 50c0dde..b7ad155 100644
--- a/mm/mmu_notifier.c
+++ b/mm/mmu_notifier.c
@@ -199,7 +199,7 @@  mmu_interval_read_begin(struct mmu_interval_notifier *interval_sub)
 	 * invalidate_start/end and is colliding.
 	 *
 	 * The locking looks broadly like this:
-	 *   mn_tree_invalidate_start():          mmu_interval_read_begin():
+	 *   mn_itree_inv_start():                 mmu_interval_read_begin():
 	 *                                         spin_lock
 	 *                                          seq = READ_ONCE(interval_sub->invalidate_seq);
 	 *                                          seq == subs->invalidate_seq
@@ -207,7 +207,7 @@  mmu_interval_read_begin(struct mmu_interval_notifier *interval_sub)
 	 *    spin_lock
 	 *     seq = ++subscriptions->invalidate_seq
 	 *    spin_unlock
-	 *     op->invalidate_range():
+	 *     op->invalidate():
 	 *       user_lock
 	 *        mmu_interval_set_seq()
 	 *         interval_sub->invalidate_seq = seq