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X-CSE-ConnectionGUID: tXMcjaJ3Sy+I/i60jUBbvw== X-CSE-MsgGUID: 0Xvdp3INShCtmyfYeR9fcQ== X-IronPort-AV: E=McAfee;i="6800,10657,11743"; a="79433772" X-IronPort-AV: E=Sophos;i="6.23,149,1770624000"; d="scan'208";a="79433772" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2026 22:29:31 -0700 X-CSE-ConnectionGUID: dpzdPK5rQSqu20t25h9NGg== X-CSE-MsgGUID: uGF9zsYtRw2K/fuxMh4AVw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,149,1770624000"; d="scan'208";a="222629574" Received: from lkp-server01.sh.intel.com (HELO 283bf2e1b94a) ([10.239.97.150]) by fmviesa007.fm.intel.com with ESMTP; 29 Mar 2026 22:29:29 -0700 Received: from kbuild by 283bf2e1b94a with local (Exim 4.98.2) (envelope-from ) id 1w75Bm-000000000iZ-3FFi; Mon, 30 Mar 2026 05:29:26 +0000 Date: Mon, 30 Mar 2026 13:29:11 +0800 From: kernel test robot To: Kees Cook Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, David Gow , Rae Moar Subject: lib/tests/test_kprobes.c:23:24: warning: variable 'stacktrace_driver' set but not used Message-ID: <202603301341.3yI3zdxK-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7aaa8047eafd0bd628065b15757d9b48c5f9c07d commit: db6fe4d61ece24193eb4d94a82d967501d53358c lib: Move KUnit tests into tests/ subdirectory date: 1 year, 2 months ago config: mips-randconfig-r121-20260330 (https://download.01.org/0day-ci/archive/20260330/202603301341.3yI3zdxK-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 054e11d1a17e5ba88bb1a8ef32fad3346e80b186) sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260330/202603301341.3yI3zdxK-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 | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202603301341.3yI3zdxK-lkp@intel.com/ All warnings (new ones prefixed by >>): >> lib/tests/test_kprobes.c:23:24: warning: variable 'stacktrace_driver' set but not used [-Wunused-but-set-global] 23 | static unsigned long (*stacktrace_driver)(void); | ^ 1 warning generated. vim +/stacktrace_driver +23 lib/tests/test_kprobes.c 8c1c9356429741a kernel/test_kprobes.c Ananth N Mavinakayanahalli 2008-01-30 20 1f6d3a8f5e397f5 kernel/test_kprobes.c Masami Hiramatsu 2021-10-25 21 static unsigned long (*internal_target)(void); 1f6d3a8f5e397f5 kernel/test_kprobes.c Masami Hiramatsu 2021-10-25 22 static unsigned long (*stacktrace_target)(void); 1f6d3a8f5e397f5 kernel/test_kprobes.c Masami Hiramatsu 2021-10-25 @23 static unsigned long (*stacktrace_driver)(void); 1f6d3a8f5e397f5 kernel/test_kprobes.c Masami Hiramatsu 2021-10-25 24 static unsigned long target_return_address[2]; 1f6d3a8f5e397f5 kernel/test_kprobes.c Masami Hiramatsu 2021-10-25 25 :::::: The code at line 23 was first introduced by commit :::::: 1f6d3a8f5e397f5d31afbc58d84e1dc68318b874 kprobes: Add a test case for stacktrace from kretprobe handler :::::: TO: Masami Hiramatsu :::::: CC: Steven Rostedt (VMware) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki