mmap locking API: use coccinelle to convert mmap_sem rwsem call sites

[mirror_ubuntu-kernels.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_ttm.c

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 9cbecd5ba814be0bc5a499dd1bcb54d16374bdd0..e59c01a83dace3ffcd6f290b7c627a25ffbba25b 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -910,7 +910,7 @@ int amdgpu_ttm_tt_get_user_pages(struct amdgpu_bo *bo, struct page **pages)
                goto out_free_ranges;
        }
 
-       down_read(&mm->mmap_sem);
+       mmap_read_lock(mm);
        vma = find_vma(mm, start);
        if (unlikely(!vma || start < vma->vm_start)) {
                r = -EFAULT;
@@ -921,15 +921,15 @@ int amdgpu_ttm_tt_get_user_pages(struct amdgpu_bo *bo, struct page **pages)
                r = -EPERM;
                goto out_unlock;
        }
-       up_read(&mm->mmap_sem);
+       mmap_read_unlock(mm);
        timeout = jiffies + msecs_to_jiffies(HMM_RANGE_DEFAULT_TIMEOUT);
 
 retry:
        range->notifier_seq = mmu_interval_read_begin(&bo->notifier);
 
-       down_read(&mm->mmap_sem);
+       mmap_read_lock(mm);
        r = hmm_range_fault(range);
-       up_read(&mm->mmap_sem);
+       mmap_read_unlock(mm);
        if (unlikely(r)) {
                /*
                 * FIXME: This timeout should encompass the retry from
@@ -954,7 +954,7 @@ retry:
        return 0;
 
 out_unlock:
-       up_read(&mm->mmap_sem);
+       mmap_read_unlock(mm);
 out_free_pfns:
        kvfree(range->hmm_pfns);
 out_free_ranges: