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Thu, 14 May 2026 16:41:19 +0000 Date: Thu, 14 May 2026 09:41:16 -0700 From: Alison Schofield To: Tomasz Wolski CC: , , , , , , , , , , Subject: Re: [PATCH] dax/bus: Upgrade resource conflict message to dev_err() in alloc_dax_region() Message-ID: References: <20260514093208.13110-1-tomasz.wolski@fujitsu.com> Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260514093208.13110-1-tomasz.wolski@fujitsu.com> X-ClientProxiedBy: BY5PR16CA0026.namprd16.prod.outlook.com (2603:10b6:a03:1a0::39) To DS4PPF0BAC23327.namprd11.prod.outlook.com (2603:10b6:f:fc02::9) Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS4PPF0BAC23327:EE_|DM6PR11MB4689:EE_ X-MS-Office365-Filtering-Correlation-Id: cf315451-558d-480d-9ff3-08deb1d7a020 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|366016|376014|1800799024|56012099003|22082099003|18002099003|11063799003; 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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/ > Fixes: 34f80bb969cc ("dax: Track all dax_region allocations under a global resource tree") > Signed-off-by: Tomasz Wolski > --- > drivers/dax/bus.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c > index 68437c05e21d..cd963eeeef7b 100644 > --- a/drivers/dax/bus.c > +++ b/drivers/dax/bus.c > @@ -672,7 +672,7 @@ 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; Hi Tomasz, How about using request_resource_conflict() so that we can offer more description in the error message? -- Alison > } > -- > 2.47.3 >