Just like /proc/iomem, CXL physical address information is reserved for root only. Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> --- 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)
