diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_userptr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_userptr.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c index 33776b3f3fa5..c31a6744daee 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c @@ -200,10 +200,10 @@ i915_mmu_notifier_find(struct i915_mm_struct *mm) if (IS_ERR(mn)) err = PTR_ERR(mn); - down_write(&mm->mm->mmap_sem); + mmap_write_lock(mm->mm); mutex_lock(&mm->i915->mm_lock); if (mm->mn == NULL && !err) { - /* Protected by mmap_sem (write-lock) */ + /* Protected by mmap_lock (write-lock) */ err = __mmu_notifier_register(&mn->mn, mm->mm); if (!err) { /* Protected by mm_lock */ @@ -217,7 +217,7 @@ i915_mmu_notifier_find(struct i915_mm_struct *mm) err = 0; } mutex_unlock(&mm->i915->mm_lock); - up_write(&mm->mm->mmap_sem); + mmap_write_unlock(mm->mm); if (mn && !IS_ERR(mn)) kfree(mn); @@ -468,7 +468,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work) if (mmget_not_zero(mm)) { while (pinned < npages) { if (!locked) { - down_read(&mm->mmap_sem); + mmap_read_lock(mm); locked = 1; } ret = pin_user_pages_remote @@ -483,7 +483,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work) pinned += ret; } if (locked) - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); mmput(mm); } } @@ -522,8 +522,8 @@ __i915_gem_userptr_get_pages_schedule(struct drm_i915_gem_object *obj) /* Spawn a worker so that we can acquire the * user pages without holding our mutex. Access - * to the user pages requires mmap_sem, and we have - * a strict lock ordering of mmap_sem, struct_mutex - + * to the user pages requires mmap_lock, and we have + * a strict lock ordering of mmap_lock, struct_mutex - * we already hold struct_mutex here and so cannot * call gup without encountering a lock inversion. * |