search for: ioctls_need_rwsem

..., 0 deletions(-) diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 6116e3b..c54e9f8 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -464,6 +464,9 @@ long drm_ioctl(struct file *filp, } else memset(kdata, 0, usize); + if (dev->driver->ioctls_need_rwsem) + down_read(&dev->ioctls_rwsem); + if (ioctl->flags & DRM_UNLOCKED) retcode = func(dev, kdata, file_priv); else { @@ -472,6 +475,9 @@ long drm_ioctl(struct file *filp, mutex_unlock(&drm_global_mutex); } + if (dev->driver->ioctls_need_rwsem) + up_read...

...t_in_progress(dev)); if (ret) { NV_ERROR(dev, "... engine %d failed: %d\n", e, ret); goto out_abort; @@ -483,6 +483,7 @@ static struct drm_driver driver = { .disable_vblank = nouveau_vblank_disable, .reclaim_buffers = drm_core_reclaim_buffers, .ioctls = nouveau_ioctls, + .ioctls_need_rwsem = true, .fops = &nouveau_driver_fops, .gem_init_object = nouveau_gem_object_new, .gem_free_object = nouveau_gem_object_del, diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index d120baf..01500e1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h...