On Thu, Jul 13, 2017 at 03:57:31PM +0200, Jiri Slaby wrote: > Hmm, not that easy: > [ +0.011001] BUG: key ffff8807573ed758 not in .data! > [ +0.000103] DEBUG_LOCKS_WARN_ON(1) > [ +0.000012] ------------[ cut here ]------------ > [ +0.000147] WARNING: CPU: 1 PID: 282 at > ../kernel/locking/lockdep.c:3156 lockdep_init_map+0x4db/0x5e0 > > diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c > > index 6efdba4993fc..3e4dc782812d 100644 > > --- a/drivers/gpu/drm/drm_drv.c > > +++ b/drivers/gpu/drm/drm_drv.c > > @@ -505,7 +505,9 @@ int drm_dev_init(struct drm_device *dev, > > > > spin_lock_init(&dev->buf_lock); > > spin_lock_init(&dev->event_lock); > > - mutex_init(&dev->struct_mutex); > > + __mutex_init(&dev->struct_mutex, > > + "struct_mutex", > > + &dev->struct_mutex_class); > > mutex_init(&dev->filelist_mutex); > > mutex_init(&dev->ctxlist_mutex); > > mutex_init(&dev->master_mutex); Right, its complaining about @dev being dynamically allocated. Keys must be from static storage in order to guarantee they're not re-used for something different. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
