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Thunderbird/102.10.0 Subject: Re: [BUG resend next-20230818] error: 'prepare_elf_headers' defined but not used Content-Language: en-US To: paulmck@kernel.org, linux-kernel@vger.kernel.org, linux-next@vger.kernel.org Cc: sfr@canb.auug.org.au, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, sourabhjain@linux.ibm.com, hbathini@linux.ibm.com, bhe@redhat.com References: <08fc20ef-854d-404a-b2f2-75941eeeccf8@paulmck-laptop> <4a991983-da2e-4fcd-965c-5b65de6700da@paulmck-laptop> From: Eric DeVolder In-Reply-To: <4a991983-da2e-4fcd-965c-5b65de6700da@paulmck-laptop> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: LO2P123CA0102.GBRP123.PROD.OUTLOOK.COM (2603:10a6:600:139::17) To CO1PR10MB4531.namprd10.prod.outlook.com (2603:10b6:303:6c::22) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PR10MB4531:EE_|IA1PR10MB7537:EE_ 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X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR10MB7537 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-08-19_13,2023-08-18_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 mlxscore=0 phishscore=0 spamscore=0 malwarescore=0 mlxlogscore=999 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2308190125 X-Proofpoint-ORIG-GUID: cTq5SvLBVfCmX5dPX5nPu-LAlhr_rslq X-Proofpoint-GUID: cTq5SvLBVfCmX5dPX5nPu-LAlhr_rslq Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/18/23 21:28, Paul E. McKenney wrote: > Hello! > > This morning's rcutorture testing on next-20230818 complained about > prepare_elf_headers() being defined but unused on several rcutorture > scenarios. The patch below makes rcutorture happy, but might or might > not be a proper fix. > > This is a resend adding a few more people on CC, given a possible > relationship to 9f1f399ca999 ("x86/crash: add x86 crash hotplug support"). > > Thoughts? > > Thanx, Paul > Paul, Any chance I could get a pointer to one of the failing kernel .config files for the rcutorture case? Thanks! eric > ------------------------------------------------------------------------ > > diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c > index 1d0f824559fce..926c39e22387b 100644 > --- a/arch/x86/kernel/crash.c > +++ b/arch/x86/kernel/crash.c > @@ -127,7 +127,8 @@ void native_machine_crash_shutdown(struct pt_regs *regs) > crash_save_cpu(regs, safe_smp_processor_id()); > } > > -#if defined(CONFIG_KEXEC_FILE) || defined(CONFIG_CRASH_DUMP) > +#if (defined(CONFIG_KEXEC_FILE) || defined(CONFIG_CRASH_DUMP)) && defined(CONFIG_SMP) && defined(CONFIG_X86_LOCAL_APIC) > + > static int get_nr_ram_ranges_callback(struct resource *res, void *arg) > { > unsigned int *nr_ranges = arg;