diff options
Diffstat (limited to 'drivers/cxl/core/memdev.c')
| -rw-r--r-- | drivers/cxl/core/memdev.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/cxl/core/memdev.c b/drivers/cxl/core/memdev.c index 8be01479d40b..185b6d27b698 100644 --- a/drivers/cxl/core/memdev.c +++ b/drivers/cxl/core/memdev.c @@ -136,13 +136,24 @@ static int cxl_get_poison_by_memdev(struct cxl_memdev *cxlmd) int cxl_trigger_poison_list(struct cxl_memdev *cxlmd) { + struct cxl_port *port; int rc; + port = dev_get_drvdata(&cxlmd->dev); + if (!port || !is_cxl_endpoint(port)) + return -EINVAL; + rc = down_read_interruptible(&cxl_dpa_rwsem); if (rc) return rc; - rc = cxl_get_poison_by_memdev(cxlmd); + if (port->commit_end == -1) { + /* No regions mapped to this memdev */ + rc = cxl_get_poison_by_memdev(cxlmd); + } else { + /* Regions mapped, collect poison by endpoint */ + rc = cxl_get_poison_by_endpoint(port); + } up_read(&cxl_dpa_rwsem); return rc; |