From: Tomasz Wolski Date: Thu, 28 May 2026 06:45:46 +0000 (+0200) Subject: dax/bus: Upgrade resource conflict message to dev_err() in alloc_dax_region() X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=cd1a8d788763bb6c0af3c53fbbd9abb555e18953;p=thirdparty%2Flinux.git dax/bus: Upgrade resource conflict message to dev_err() in alloc_dax_region() The dax_region resource conflict in alloc_dax_region() indicates a serious configuration problem — two subsystems (e.g. dax_hmem and dax_cxl) are attempting to register overlapping address ranges. This is not a transient or debug-level condition; it represents a genuine resource conflict that an administrator needs to be aware of. Promote the log level from dev_dbg() to dev_err() so that the conflict is visible by default without requiring dynamic debug to be enabled. Suggested-by: Dan Williams Link: https://lore.kernel.org/linux-cxl/69c1a8d1c0fa9_7ee3100a1@dwillia2-mobl4.notmuch/ Signed-off-by: Tomasz Wolski Reviewed-by: Alison Schofield Reviewed-by: Dave Jiang Reviewed-by: Richard Cheng Link: https://patch.msgid.link/20260528064546.23362-1-tomasz.wolski@fujitsu.com Signed-off-by: Alison Schofield --- diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c index ccfe65004888d..b809e1a264afa 100644 --- a/drivers/dax/bus.c +++ b/drivers/dax/bus.c @@ -670,7 +670,7 @@ struct dax_region *alloc_dax_region(struct device *parent, int region_id, rc = request_resource(&dax_regions, &dax_region->res); if (rc) { - dev_dbg(parent, "dax_region resource conflict for %pR\n", + dev_err(parent, "dax_region resource conflict for %pR\n", &dax_region->res); goto err_res; }