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From 84492ad94c0abfa9eeb7b0d98964438fdccf6409 Mon Sep 17 00:00:00 2001
From: "Le.Ma" <Le.Ma@amd.com>
Date: Wed, 20 Sep 2017 16:59:01 +0800
Subject: [PATCH 1810/4131] drm/amdgpu: [KFD] Fix for using new MMU lock
Unlock is moved into amdgpu_mn_invalidate_range_end()
Change-Id: I48034c3f4a93e6514c0997458c55eab1a212c472
Signed-off-by: Le.Ma <Le.Ma@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
index e21172ee..c870664 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
@@ -264,7 +264,7 @@ static void amdgpu_mn_invalidate_range_start_hsa(struct mmu_notifier *mn,
/* notification is exclusive, but interval is inclusive */
end -= 1;
- mutex_lock(&rmn->lock);
+ amdgpu_mn_read_lock(rmn);
it = interval_tree_iter_first(&rmn->objects, start, end);
while (it) {
@@ -282,8 +282,6 @@ static void amdgpu_mn_invalidate_range_start_hsa(struct mmu_notifier *mn,
amdgpu_amdkfd_evict_userptr(mem, mm);
}
}
-
- mutex_unlock(&rmn->lock);
}
static const struct mmu_notifier_ops amdgpu_mn_ops[] = {
--
2.7.4
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