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Wed, 16 Jul 2025 07:21:39 +0000 From: Qi.Chen@windriver.com To: openembedded-core@lists.openembedded.org Subject: [OE-core][PATCH] kernel-devsrc: copy arch/powerpc/tools contents Date: Wed, 16 Jul 2025 00:21:29 -0700 Message-ID: <20250716072129.1041493-1-Qi.Chen@windriver.com> X-Mailer: git-send-email 2.49.0 X-ClientProxiedBy: SJ0PR03CA0390.namprd03.prod.outlook.com (2603:10b6:a03:3a1::35) To CO6PR11MB5602.namprd11.prod.outlook.com (2603:10b6:303:13a::5) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO6PR11MB5602:EE_|SJ5PPF2E3E6CCA8:EE_ X-MS-Office365-Filtering-Correlation-Id: f4790eb8-b734-4d0f-e702-08ddc439683f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|52116014|376014|38350700014|13003099007; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:CO6PR11MB5602.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(52116014)(376014)(38350700014)(13003099007);DIR:OUT;SFP:1101; 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Wed, 16 Jul 2025 07:21:44 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/220434 From: Chen Qi For now, using qemuppc64 as MACHINE and building things inside SDK, we'll get the following error: ERROR: modpost: "_mcount" undefined This is because after [1], MPROFILE_KERNEL is using arch/powerpc/tools/ contents to do the check. This in turn affects HAVE_OBJTOOL. """ arch/powerpc/Kconfig: select HAVE_OBJTOOL if ARCH_USING_PATCHABLE_FUNCTION_ENTRY || MPROFILE_KERNEL || PPC32 """ The current MPROFILE_KERNEL for powerpc: """ config MPROFILE_KERNEL depends on PPC64_ELF_ABI_V2 && FUNCTION_TRACER def_bool $(success,$(srctree)/arch/powerpc/tools/gcc-check-mprofile-kernel.sh $(CC) -mlittle-endian) if CPU_LITTLE_ENDIAN def_bool $(success,$(srctree)/arch/powerpc/tools/gcc-check-mprofile-kernel.sh $(CC) -mbig-endian) if CPU_BIG_ENDIAN """ If MPROFILE_KERNEL is disabled, thus HAVE_OBJTOOL being disabled, then FTRACE_MCOUNT_USE_RECORDMCOUNT will be enabled, causing this error. [1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=abba759796f9b73eb24df9b734dd063839fc62e0 Signed-off-by: Chen Qi Signed-off-by: Chen Qi > Signed-off-by: Chen Qi > --- meta/recipes-kernel/linux/kernel-devsrc.bb | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/meta/recipes-kernel/linux/kernel-devsrc.bb b/meta/recipes-kernel/linux/kernel-devsrc.bb index 3d2eb3929e..c4b5d0e5a6 100644 --- a/meta/recipes-kernel/linux/kernel-devsrc.bb +++ b/meta/recipes-kernel/linux/kernel-devsrc.bb @@ -208,6 +208,10 @@ do_install() { fi if [ "${ARCH}" = "powerpc" ]; then + # 4.18+ needs these files for MPROFILE_KERNEL, but don't error if they aren't present in the source + # See https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=abba759796f9b73eb24df9b734dd063839fc62e0 + cp -a --parents arch/powerpc/tools $kerneldir/build/ 2>/dev/null || : + # 5.0 needs these files, but don't error if they aren't present in the source cp -a --parents arch/${ARCH}/kernel/syscalls/syscall.tbl $kerneldir/build/ 2>/dev/null || : cp -a --parents arch/${ARCH}/kernel/syscalls/syscalltbl.sh $kerneldir/build/ 2>/dev/null || :