… > +++ b/drivers/cxl/core/extent.c > @@ -271,20 +271,67 @@ static void calc_hpa_range(struct cxl_endpoint_decoder > *cxled, > hpa_range->end = hpa_range->start + range_len(dpa_range) - 1; > } > > +static int cxlr_notify_extent(struct cxl_region *cxlr, enum dc_event event, > + struct region_extent *region_extent) > +{ … > + device_lock(dev); > + if (dev->driver) { … > + } > + device_unlock(dev); > + return rc; > +} …
Under which circumstances would you become interested to apply a statement like “guard(device)(dev);”? https://elixir.bootlin.com/linux/v6.11-rc3/source/include/linux/device.h#L1027 Regards, Markus