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X-CSE-ConnectionGUID: 2zjDvGGNQvijK22FlTmmXQ== X-CSE-MsgGUID: WFYqebBITA2Tp25bfCDn6w== X-IronPort-AV: E=McAfee;i="6800,10657,11905"; a="100738333" X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="100738333" Received: from fmviesa013.fm.intel.com ([10.60.135.153]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2026 06:39:45 -0700 X-CSE-ConnectionGUID: 7hZosOZoSJOaIXsEondsdA== X-CSE-MsgGUID: X4k6WamUSk+abaQEbnEfmA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="2203000" Received: from igk-lkp-server01.igk.intel.com (HELO fe5626a770c0) ([10.211.93.152]) by fmviesa013.fm.intel.com with ESMTP; 17 Sep 2026 06:39:43 -0700 Received: from kbuild by fe5626a770c0 with local (Exim 4.98.2) (envelope-from ) id 1x7CKz-000000000bw-1TpD; Thu, 17 Sep 2026 13:39:41 +0000 Date: Thu, 17 Sep 2026 15:38:46 +0200 From: kernel test robot To: "Mukesh Kumar Chaurasiya (IBM)" Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Madhavan Srinivasan , Link Mauve , "Christophe Leroy (CS GROUP)" Subject: warning: unknown and unstable feature specified for `-Ctarget-feature`: `mma` Message-ID: <202609171549.xeqQabC6-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 238650ef6c7c7cca08e032527329424c9fbd70e5 commit: bc87cbdb952e9223616b839d64bdb4723aa2ed1d powerpc: Enable Rust for ppc64le date: 7 weeks ago config: powerpc64-randconfig-r2201-20260917 (https://download.01.org/0day-ci/archive/20260917/202609171549.xeqQabC6-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) rustc: rustc 1.96.0 (ac68faa20 2026-05-25) smatch: v0.5.0-9187-g5189e3fb reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260917/202609171549.xeqQabC6-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Fixes: bc87cbdb952e ("powerpc: Enable Rust for ppc64le") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202609171549.xeqQabC6-lkp@intel.com/ All warnings (new ones prefixed by >>): >> warning: unknown and unstable feature specified for `-Ctarget-feature`: `mma` | = note: it is still passed through to the codegen backend, but use of this feature might be unsound and the behavior of this feature can change in the future = help: consider filing a feature request -- >> warning: unstable feature specified for `-Ctarget-feature`: `vsx` | = note: this feature is not stably supported; its behavior can change in the future -- >> warning: unknown and unstable feature specified for `-Ctarget-feature`: `hard-float` | = note: it is still passed through to the codegen backend, but use of this feature might be unsound and the behavior of this feature can change in the future = help: consider filing a feature request -- >> warning: unstable feature specified for `-Ctarget-feature`: `altivec` | = note: this feature is not stably supported; its behavior can change in the future -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki