drm/amdgpu: update to new mmu_notifier semantic

Calls to mmu_notifier_invalidate_page() were replaced by calls to
mmu_notifier_invalidate_range() and are now bracketed by calls to
mmu_notifier_invalidate_range_start()/end()

Remove now useless invalidate_page callback.

Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
index 6558a3ed57a7f6a1127f81aa0e1b5a861aa21b8d..e1cde6b80027fe1cad56b6169c38aadac1974e3e 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
@@ -146,36 +146,6 @@ static void amdgpu_mn_invalidate_node(struct amdgpu_mn_node *node,
        }
 }
 
-/**
- * amdgpu_mn_invalidate_page - callback to notify about mm change
- *
- * @mn: our notifier
- * @mn: the mm this callback is about
- * @address: address of invalidate page
- *
- * Invalidation of a single page. Blocks for all BOs mapping it
- * and unmap them by move them into system domain again.
- */
-static void amdgpu_mn_invalidate_page(struct mmu_notifier *mn,
-                                     struct mm_struct *mm,
-                                     unsigned long address)
-{
-       struct amdgpu_mn *rmn = container_of(mn, struct amdgpu_mn, mn);
-       struct interval_tree_node *it;
-
-       mutex_lock(&rmn->lock);
-
-       it = interval_tree_iter_first(&rmn->objects, address, address);
-       if (it) {
-               struct amdgpu_mn_node *node;
-
-               node = container_of(it, struct amdgpu_mn_node, it);
-               amdgpu_mn_invalidate_node(node, address, address);
-       }
-
-       mutex_unlock(&rmn->lock);
-}
-
 /**
  * amdgpu_mn_invalidate_range_start - callback to notify about mm change
  *
@@ -215,7 +185,6 @@ static void amdgpu_mn_invalidate_range_start(struct mmu_notifier *mn,
 
 static const struct mmu_notifier_ops amdgpu_mn_ops = {
        .release = amdgpu_mn_release,
-       .invalidate_page = amdgpu_mn_invalidate_page,
        .invalidate_range_start = amdgpu_mn_invalidate_range_start,
 };