On Sun, 23 Jan 2022 16:29:26 -0800 Dan Williams <dan.j.williams@xxxxxxxxx> wrote: > Just like /proc/iomem, CXL physical address information is reserved for > root only. > > Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> Seems sensible. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> > --- > drivers/cxl/core/port.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c > index 3f9b98ecd18b..c5e74c6f04e8 100644 > --- a/drivers/cxl/core/port.c > +++ b/drivers/cxl/core/port.c > @@ -49,7 +49,7 @@ static ssize_t start_show(struct device *dev, struct device_attribute *attr, > > return sysfs_emit(buf, "%#llx\n", cxld->range.start); > } > -static DEVICE_ATTR_RO(start); > +static DEVICE_ATTR_ADMIN_RO(start); > > static ssize_t size_show(struct device *dev, struct device_attribute *attr, > char *buf) >