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X-CSE-ConnectionGUID: NgGORXoFRK+8lcTf4qmWwQ== X-CSE-MsgGUID: fJ5lTgpQSiCPxvpLwX4kWw== X-IronPort-AV: E=McAfee;i="6800,10657,11861"; a="86127071" X-IronPort-AV: E=Sophos;i="6.25,197,1779174000"; d="scan'208";a="86127071" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2026 19:15:01 -0700 X-CSE-ConnectionGUID: zuGjM4B2RLiZF9L1L6CIMg== X-CSE-MsgGUID: EdRrKn5aQFiXcpEwPnUyig== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,197,1779174000"; d="scan'208";a="290658487" Received: from lkp-server01.sh.intel.com (HELO 6eda058d650d) ([10.239.97.150]) by orviesa002.jf.intel.com with ESMTP; 31 Jul 2026 19:15:01 -0700 Received: from kbuild by 6eda058d650d with local (Exim 4.98.2) (envelope-from ) id 1wpzFa-000000002aR-11y9; Sat, 01 Aug 2026 02:14:58 +0000 Date: Sat, 01 Aug 2026 10:14:23 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: arch/powerpc/net/bpf_jit_comp.c:550 bpf_jit_supports_fsession() warn: signedness bug returning '(-95)' Message-ID: <202608010958.cYfBCQAC-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: Abhishek Dubey CC: Madhavan Srinivasan tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8ba098e6b6ff0db8edf28528d1552be261af30d4 commit: 92258b5bf1ec10204c23a793793a65dc92d17014 powerpc32/bpf: Add fsession support date: 4 months ago :::::: branch date: 25 hours ago :::::: commit date: 4 months ago config: powerpc-randconfig-r073-20260801 (https://download.01.org/0day-ci/archive/20260801/202608010958.cYfBCQAC-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 8.5.0 smatch: v0.5.0-9187-g5189e3fb 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: 92258b5bf1ec ("powerpc32/bpf: Add fsession support") | Reported-by: kernel test robot | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202608010958.cYfBCQAC-lkp@intel.com/ smatch warnings: arch/powerpc/net/bpf_jit_comp.c:550 bpf_jit_supports_fsession() warn: signedness bug returning '(-95)' vim +550 arch/powerpc/net/bpf_jit_comp.c 156d985123b6d6 Abhishek Dubey 2026-04-01 542 6fab063bd8d64f Abhishek Dubey 2026-04-01 543 bool bpf_jit_supports_fsession(void) 6fab063bd8d64f Abhishek Dubey 2026-04-01 544 { 92258b5bf1ec10 Abhishek Dubey 2026-04-01 545 /* 92258b5bf1ec10 Abhishek Dubey 2026-04-01 546 * TODO: Remove after validating support 92258b5bf1ec10 Abhishek Dubey 2026-04-01 547 * for fsession and trampoline on ppc32. 92258b5bf1ec10 Abhishek Dubey 2026-04-01 548 */ 92258b5bf1ec10 Abhishek Dubey 2026-04-01 549 if (IS_ENABLED(CONFIG_PPC32)) 92258b5bf1ec10 Abhishek Dubey 2026-04-01 @550 return -EOPNOTSUPP; 92258b5bf1ec10 Abhishek Dubey 2026-04-01 551 return true; 6fab063bd8d64f Abhishek Dubey 2026-04-01 552 } 6fab063bd8d64f Abhishek Dubey 2026-04-01 553 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki