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2fa87831-8974-4c84-acca-08df3c334ee6 X-MS-Exchange-CrossTenant-AuthSource: DS4PPF0BAC23327.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Nov 2026 18:25:17.6345 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: u8N1YlXpwtpU07qBDdgK2j/xm/X+0ypvnfjVFM/K69++uZ5FFZsm+1vf/GY+08URBQYXa6y1dK+/D3OBjbHXbhobgpN+HUun4Q36mZPzU0k= X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR11MB6290 X-OriginatorOrg: intel.com On Fri, Nov 06, 2026 at 02:15:47PM +0800, Li Ming wrote: > > 在 2026/11/5 11:28, Alison Schofield 写道: > > Both user-created and autodiscovered regions perform the same three > > operations when all targets are attached: calculate performance data, > > account for shared upstream bandwidth, and update the visibility of the > > region access attributes. > > > > Consolidate these operations in cxl_region_perf_data_complete() to keep > > the completion paths consistent and preserve their ordering. > > > > No functional change. > > > > Signed-off-by: Alison Schofield > > --- > > drivers/cxl/core/region.c | 15 +++++++++------ > > 1 file changed, 9 insertions(+), 6 deletions(-) > > > > diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c > > index 50cd483d710d..f9435e65c695 100644 > > --- a/drivers/cxl/core/region.c > > +++ b/drivers/cxl/core/region.c > > @@ -157,6 +157,13 @@ static void cxl_region_update_access_groups(struct cxl_region *cxlr) > > dev_dbg(&cxlr->dev, "Failed to update access1 group\n"); > > } > > +static void cxl_region_perf_data_complete(struct cxl_region *cxlr) > > +{ > > + cxl_region_perf_data_update(cxlr); > > + cxl_region_shared_upstream_bandwidth_update(cxlr); > > + cxl_region_update_access_groups(cxlr); > > +} > > + > > static ssize_t uuid_show(struct device *dev, struct device_attribute *attr, > > char *buf) > > { > > @@ -2182,9 +2189,7 @@ static int cxl_region_attach(struct cxl_region *cxlr, > > * then the region is already committed. > > */ > > p->state = CXL_CONFIG_COMMIT; > > - cxl_region_perf_data_update(cxlr); > > - cxl_region_shared_upstream_bandwidth_update(cxlr); > > - cxl_region_update_access_groups(cxlr); > > + cxl_region_perf_data_complete(cxlr); > > return 0; > > } > > @@ -2206,9 +2211,7 @@ static int cxl_region_attach(struct cxl_region *cxlr, > > if (rc) > > return rc; > > p->state = CXL_CONFIG_ACTIVE; > > - cxl_region_perf_data_update(cxlr); > > - cxl_region_shared_upstream_bandwidth_update(cxlr); > > - cxl_region_update_access_groups(cxlr); > > + cxl_region_perf_data_complete(cxlr); > > } > Is it possible to call cxl_region_perf_data_complete() inside > cxl_region_setup_targets()? So that we don't need to call it separately for > user-created and autodiscovered regions. Thanks for the reviews and feedback Ming - That would work, yet I prefer to keep the two calls explicit. That makes it clear when the region has reached its completed state and perf data is finalized. Note that cxl_region_setup_targets() configures port decoder targets, while cxl_region_perf_data_complete() handles performance data and sysfs visiblity. I think those operations are better kept separate. -- Alison > > cxled->cxld.interleave_ways = p->interleave_ways;