diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2022-01-23 16:29:26 -0800 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2022-02-08 22:57:28 -0800 |
| commit | c3bca8d4bb3ff77b8784cdc794eb1f8f89b10fb5 (patch) | |
| tree | 6789b2ff50122eb6bafe60f917119b6dfb208235 /drivers/cxl/core | |
| parent | 0ff0af18216436d0151af4e410400c7a19ca9437 (diff) | |
| download | linux-c3bca8d4bb3ff77b8784cdc794eb1f8f89b10fb5.tar.bz2 | |
cxl/decoder: Hide physical address information from non-root
Just like /proc/iomem, CXL physical address information is reserved for
root only.
Reviewed-by: Ben Widawsky <ben.widawsky@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/164298416650.3018233.450720006145238709.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/cxl/core')
| -rw-r--r-- | drivers/cxl/core/port.c | 2 |
1 files changed, 1 insertions, 1 deletions
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) |