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Sat, 29 Mar 2025 00:23:40 +0000 Date: Fri, 28 Mar 2025 17:23:37 -0700 From: Dan Williams To: "Paul E. McKenney" , Dan Williams CC: Dave Jiang , , , , , , , , , , Subject: Re: [BUG -next] ./usr/include/cxl/features.h:11:10: fatal error: uuid/uuid.h: No such file or directory Message-ID: <67e73d89dc6c4_201f029467@dwillia2-xfh.jf.intel.com.notmuch> References: <14bfcfa0-5999-49e4-854e-ff8810d6df3c@intel.com> <52a34c97-88d2-415e-a899-6583ae3ba620@paulmck-laptop> <30a7f782-4388-45b6-bb3c-a0faf85b7445@intel.com> <51e9823c-784c-4b91-99d4-0500aaf5cec0@paulmck-laptop> <67e7301dc8ad7_201f0294a5@dwillia2-xfh.jf.intel.com.notmuch> Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-ClientProxiedBy: MW2PR16CA0030.namprd16.prod.outlook.com (2603:10b6:907::43) To PH8PR11MB8107.namprd11.prod.outlook.com (2603:10b6:510:256::6) Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH8PR11MB8107:EE_|IA0PR11MB7955:EE_ X-MS-Office365-Filtering-Correlation-Id: c10c656d-6fd7-4cd3-bb3d-08dd6e57f4b1 X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|366016|7053199007|423244004; 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McKenney wrote: > On Fri, Mar 28, 2025 at 04:26:21PM -0700, Dan Williams wrote: > > Paul E. McKenney wrote: > > [..] > > > > > Making the above change got me this: > > > > > > > > > > usr/include/cxl/features.h:59:9: error: unknown type name ‘uuid_t’ > > > > I wasn't able to hit that with allmodconfig on x86 with a Fedora 41 build setup. What is the specific command lines you are using? > > > > > > make clean > > > make allmodconfig > > > make -j$N > > > > > > Though encapsulated as follows: > > > > > > tools/testing/selftests/rcutorture/bin/torture.sh --do-none --do-allmodconfig > > > > The problem is that uuid_t is not defined for uapi headers to reuse. > > Perhaps checkpatch should be checking for uuid_t in uapi headers going > > forward. > > And for whatever it is worth, "git bisect" converged here: > > 9b8e73cdb141 cxl: Move cxl feature command structs to user header That makes sense because that was the point at which the usage of uuid_t in those data structures became invalid. I am going to have a firm talking to whomever added their Reviewed-by to that... cue Michael Jackson's "I'm looking at the man in the mirror". > > For now the following builds for me, but it is a quite a mess to undo > > the assumption that that the hardware object definitions can not use > > uuid_t: > > Even better, this builds fine for me: > > Tested-by: Paul E. McKenney > > Thank you both! Thanks for the bisect Paul!