diff options
| author | Huang Ying <ying.huang@intel.com> | 2024-06-18 10:46:39 +0200 |
|---|---|---|
| committer | Dave Jiang <dave.jiang@intel.com> | 2024-07-02 21:52:26 +0200 |
| commit | f3d70720e92c24c22e0e63c2588636edba33eb1a (patch) | |
| tree | 52d5597bfb51f14c173f75a5217375c99a0dd997 | |
| parent | cxl/region: Support to calculate memory tier abstract distance (diff) | |
| download | linux-f3d70720e92c24c22e0e63c2588636edba33eb1a.tar.xz linux-f3d70720e92c24c22e0e63c2588636edba33eb1a.zip | |
cxl/region: Simplify cxl_region_nid()
The node ID of the region can be gotten via resource start address
directly. This simplifies the implementation of cxl_region_nid().
Signed-off-by: Huang Ying <ying.huang@intel.com>
Suggested-by: Alison Schofield <alison.schofield@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Bharata B Rao <bharata@amd.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://patch.msgid.link/20240618084639.1419629-4-ying.huang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
| -rw-r--r-- | drivers/cxl/core/region.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c index dc15ceba7ab7..32473fddce03 100644 --- a/drivers/cxl/core/region.c +++ b/drivers/cxl/core/region.c @@ -2309,15 +2309,13 @@ static bool cxl_region_update_coordinates(struct cxl_region *cxlr, int nid) static int cxl_region_nid(struct cxl_region *cxlr) { struct cxl_region_params *p = &cxlr->params; - struct cxl_endpoint_decoder *cxled; - struct cxl_decoder *cxld; + struct resource *res; guard(rwsem_read)(&cxl_region_rwsem); - cxled = p->targets[0]; - if (!cxled) + res = p->res; + if (!res) return NUMA_NO_NODE; - cxld = &cxled->cxld; - return phys_to_target_node(cxld->hpa_range.start); + return phys_to_target_node(res->start); } static int cxl_region_perf_attrs_callback(struct notifier_block *nb, |