drm/amdgpu: update to new mmu_notifier semantic (c90270a9) · Commits · 戴 / test

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>

drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c

+0 −31

Original line number	Diff line number	Diff line
		@@ -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,
		};

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