diff options
Diffstat (limited to 'drivers/cxl/core/port.c')
| -rw-r--r-- | drivers/cxl/core/port.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c index 7ca01a834e18..5ba606c6e03f 100644 --- a/drivers/cxl/core/port.c +++ b/drivers/cxl/core/port.c @@ -28,6 +28,12 @@ * instantiated by the core. */ +/* + * All changes to the interleave configuration occur with this lock held + * for write. + */ +DECLARE_RWSEM(cxl_region_rwsem); + static DEFINE_IDA(cxl_port_ida); static DEFINE_XARRAY(cxl_root_buses); |