From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (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 C20893370EA for ; Tue, 16 Jun 2026 15:08:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781622494; cv=none; b=tQK/FNdh7b5qbcyr378Qi4CaaNsRlF6kE7yEVKJghSlUAeEKEmOp3v2U5Sn7Ev1QoCzi/Ae/80sB7WVHEcMTpB+UWtugM2xPmbpSdJe4o9y6yHAj2FHegcBikDIucizOkjWzFtlOd3SBfr3zgq49AjqF8W+W2RRcuv7ddTmoRSQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781622494; c=relaxed/simple; bh=Vzdl2ddHLHK/Ghj9sKhDxmzpPagedRJGczcTBpFZFXU=; h=Date:From:To:Cc:Subject:Message-ID; b=pPtzS1bR+5NsxXDCPs5L1hARik2cQKvO/KMo1j1Xuo9aXV3toBRSJUhyrj0izU43jzbZxFgSlD8gov38T8N84Rx8MoAct7iGrNAb1AAKJ6wCiOfViN2yHG6cmBUUFvSrc7TnF+AMDa4l/7Je/qGBLyoO6OqOISQOkCyBX1PQczk= 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=VeAOisMY; arc=none smtp.client-ip=198.175.65.18 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="VeAOisMY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1781622493; x=1813158493; h=date:from:to:cc:subject:message-id; bh=Vzdl2ddHLHK/Ghj9sKhDxmzpPagedRJGczcTBpFZFXU=; b=VeAOisMYics08a8tR6j5ZsKs/RBhGrfHzymn9vLDi/2ch4npBem30EvP AN1hrQu4C9Uh2c27uLTbpETp+kW2grKEfthloW+HPRDzJ8gyPUDNJfTnc 91QcBPh+rd7zqqPlw43hlV3Fp67u8g/U0/DvgwiN4uP58oYAk8T1x/OgN RDsUO+4w/7D3LXzGADTpB6BmbhhruuR7UytblAJXuQNjp0sEBjNwA9gCF Xgz6SaQ15Kjg6lL8M4R3IhwTM3EiRrbJke/g6rw2/kxYQjp1m6Y/lNqA3 nDdXSum9QYyg/mV6uKxmm20y32cD7HxdtYK9W/P5f/r1+EWPa0W0s2YKd Q==; X-CSE-ConnectionGUID: iTo3a/vWT7+Opm15OL1IUA== X-CSE-MsgGUID: LkCn3l2JSx+3H4ukhpTZwQ== X-IronPort-AV: E=McAfee;i="6800,10657,11818"; a="82454600" X-IronPort-AV: E=Sophos;i="6.24,208,1774335600"; d="scan'208";a="82454600" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jun 2026 08:08:13 -0700 X-CSE-ConnectionGUID: M3M5/HgFRmuLoc1r54N8aQ== X-CSE-MsgGUID: XUKT5E7RQTKvroIutYfvfg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,208,1774335600"; d="scan'208";a="252908921" Received: from lkp-server01.sh.intel.com (HELO f0d55cb201f0) ([10.239.97.150]) by fmviesa005.fm.intel.com with ESMTP; 16 Jun 2026 08:08:11 -0700 Received: from kbuild by f0d55cb201f0 with local (Exim 4.98.2) (envelope-from ) id 1wZVOb-00000000TMO-1y0C; Tue, 16 Jun 2026 15:08:09 +0000 Date: Tue, 16 Jun 2026 23:07:55 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com Subject: drivers/virtio/virtio_ring.o: warning: objtool: detach_indirect_split+0x160: unreachable instruction Message-ID: <202606162230.Sh7YI71w-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: :::::: :::::: Manual check reason: "loongarch: unreachable instruction" :::::: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: Jason Wang CC: "Michael S. Tsirkin" CC: Xuan Zhuo tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6b5a2b7d9bc156e505f09e698d85d6a1547c1206 commit: 9dc6b944f16c0904331903ba0ec36e558e1a3537 virtio_ring: factor out split indirect detaching logic date: 6 months ago :::::: branch date: 3 hours ago :::::: commit date: 6 months ago config: loongarch-randconfig-r064-20260608 (https://download.01.org/0day-ci/archive/20260616/202606162230.Sh7YI71w-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 16.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260616/202606162230.Sh7YI71w-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: 9dc6b944f16c ("virtio_ring: factor out split indirect detaching logic") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/r/202606162230.Sh7YI71w-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/virtio/virtio_ring.o: warning: objtool: detach_indirect_split+0x160: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: virtqueue_add_split+0xe8: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: virtqueue_detach_unused_buf+0xb0: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: virtqueue_add_packed+0xf0: unreachable instruction -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki