From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C2AE140DFA5 for ; Wed, 6 May 2026 00:05:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778025911; cv=none; b=lXR33q2jhtz3v4lc8M06paTX43n8ZI1/E3/LVMTR8WN5nPNk+G7KNjlP3u1lJqkOpa/vxsMqCPjuH0spKFkC6HXgLtDyZ1YtQXiP/L09YlhYfu/stYKCmp8yE12afGDSb8PXDgdQlOYGzWnX9ka+J3XAd/NV/UugjZS+LycdNzs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778025911; c=relaxed/simple; bh=T3qiDZFoZnGYOsH+8PDLXfo8pr9pTnutodxdWdl4nGg=; h=Date:From:To:Cc:Subject:Message-ID; b=hPRmW2OvLj4GE3M77U0I5ha00k7mGlo4N0E01jtX/shqidNi9IhLbkIsveDCWHpuI258zeRsN7T/Upr4xXVsAD721IZgOI/YDrykakhXqG1ULcncMYOxSJui8q38vN4vIaG4p7JAi+LPB0oQ77rsK02xbYTrfeNeQgrk3okEi0k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=CWbEGS+7; arc=none smtp.client-ip=198.175.65.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="CWbEGS+7" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778025909; x=1809561909; h=date:from:to:cc:subject:message-id; bh=T3qiDZFoZnGYOsH+8PDLXfo8pr9pTnutodxdWdl4nGg=; b=CWbEGS+7vu80CeKQ+6kQvnTDSo+PGtbl66GXEauzTQ7AJpdwh1YSqmdF zc9yQGrCaQ3E7SxtAEVhHt1dgbBi00Xr3ujxUqCusEO7u6OoHHD+v1AgU FRlFebuPvzltIOuva0KaiYmq3F4NY/xqTrkuHqUDPbVaJwLq8aQcHMQYH JiyuB41sz0fzg2ZiHwtnAy3N3ZkTIk6jQQeHl5ujCcfpc9A1EUXgwGsgl j7n4C3MkHvbEhPFRGkxMyYJRsBTMLtcw1NpTGqyf/UvRiDOafA/fd/Zk3 ltMBUHptlUcfn9B58UAgk1ffFKzvclXc2fFk7lv1hNJ9WXCsjc/Ux4h1v A==; X-CSE-ConnectionGUID: fVo11UN5TDyc5qICTeIIOA== X-CSE-MsgGUID: lqvkljjZQ12AQZNf9hyAhQ== X-IronPort-AV: E=McAfee;i="6800,10657,11777"; a="89219613" X-IronPort-AV: E=Sophos;i="6.23,218,1770624000"; d="scan'208";a="89219613" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 May 2026 17:05:09 -0700 X-CSE-ConnectionGUID: 8V+nQY7VR5C7EMyiBEi5ng== X-CSE-MsgGUID: +mCgzLp0Qy6uQIL3w16lYQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,218,1770624000"; d="scan'208";a="274095190" Received: from lkp-server01.sh.intel.com (HELO 9ec114424ce8) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 05 May 2026 17:05:08 -0700 Received: from kbuild by 9ec114424ce8 with local (Exim 4.98.2) (envelope-from ) id 1wKPlB-000000000YP-1vRD; Wed, 06 May 2026 00:05:05 +0000 Date: Wed, 06 May 2026 08:04:53 +0800 From: kernel test robot To: Boqun Feng Cc: oe-kbuild-all@lists.linux.dev Subject: [boqun:rust-sync 9/12] arch/mips/kernel/traps.c:2002:2: warning: unused variable 'nesting' Message-ID: <202605060744.4CMiPCaU-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/boqun/linux.git rust-sync head: 082cc4c201e4450ff9456c9bd093fd70d103595a commit: 40c3e04e2248c0e5d78d23e6767a1c58d5678eac [9/12] preempt: x86: Avoid tracking NMI separately when 64BIT=y config: mips-randconfig-r072-20260506 (https://download.01.org/0day-ci/archive/20260506/202605060744.4CMiPCaU-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3) smatch: v0.5.0-9065-ge9cc34fd reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260506/202605060744.4CMiPCaU-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/202605060744.4CMiPCaU-lkp@intel.com/ All warnings (new ones prefixed by >>): arch/mips/kernel/traps.c:1592:17: warning: variable 'prev_state' set but not used [-Wunused-but-set-variable] 1592 | enum ctx_state prev_state; | ^ >> arch/mips/kernel/traps.c:2002:2: warning: unused variable 'nesting' [-Wunused-variable] 2002 | nmi_exit(); | ^~~~~~~~~~ include/linux/hardirq.h:164:3: note: expanded from macro 'nmi_exit' 164 | __nmi_exit(); \ | ^~~~~~~~~~~~ include/linux/hardirq.h:150:16: note: expanded from macro '__nmi_exit' 150 | unsigned int nesting; \ | ^~~~~~~ 2 warnings generated. vim +/nesting +2002 arch/mips/kernel/traps.c 34bd92e27becdc Kevin Cernekee 2011-11-16 1990 ff2d8b19a3a625 Joe Perches 2012-01-12 1991 void __noreturn nmi_exception_handler(struct pt_regs *regs) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1992 { 83e4da1ed45441 Leonid Yegoshin 2013-10-08 1993 char str[100]; 83e4da1ed45441 Leonid Yegoshin 2013-10-08 1994 7963b3f127a748 Petri Gynther 2015-10-19 1995 nmi_enter(); 34bd92e27becdc Kevin Cernekee 2011-11-16 1996 raw_notifier_call_chain(&nmi_chain, 0, regs); 41c594ab65fc89 Ralf Baechle 2006-04-05 1997 bust_spinlocks(1); 83e4da1ed45441 Leonid Yegoshin 2013-10-08 1998 snprintf(str, 100, "CPU%d NMI taken, CP0_EPC=%lx\n", 83e4da1ed45441 Leonid Yegoshin 2013-10-08 1999 smp_processor_id(), regs->cp0_epc); 83e4da1ed45441 Leonid Yegoshin 2013-10-08 2000 regs->cp0_epc = read_c0_errorepc(); 83e4da1ed45441 Leonid Yegoshin 2013-10-08 2001 die(str, regs); 7963b3f127a748 Petri Gynther 2015-10-19 @2002 nmi_exit(); ^1da177e4c3f41 Linus Torvalds 2005-04-16 2003 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 2004 :::::: The code at line 2002 was first introduced by commit :::::: 7963b3f127a7486815bc10639630c95c2792b811 MIPS: add nmi_enter() + nmi_exit() to nmi_exception_handler() :::::: TO: Petri Gynther :::::: CC: Ralf Baechle -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki