From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 7E2C76E614 for ; Tue, 24 Sep 2024 20:56:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727211403; cv=none; b=ru6lWXlegYKi7dovolNmRc3BSiHEIF14sO2eE+l7ASjjHgaCAqU+DgCgWpgjI76qj0mbTO7rZDGWR8kpnjNOXXVbfp44SVLyTpEMdW9JkMh1UOkCOIGF8xfvPFixNKNcofjUZ8GaqjHL5D5BVxky5+GioKxjP86vvufdVNvOr3s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727211403; c=relaxed/simple; bh=sNY//5oU0yGf0D2Mqrhv3t+mWwE7i8EObPMEnJmoR2A=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=W7XH0et2wUkwnw+P7tEf0mfUwNaTq97Gfsbp3wsMYenEeEvaqNCmw8tLZLtKGPnyu9GTiJxLeMkG1aae674xBN4TEu+zJQGL9havslA1tY49zAHMcFV2+zRKWBLhrvVVESwAnCIstDEQfFgXHtr0Lnogb1/W6NJJRSmxx5R8wYQ= 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=F+HQ4E2C; arc=none smtp.client-ip=192.198.163.15 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="F+HQ4E2C" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1727211402; x=1758747402; h=date:from:to:cc:subject:message-id:mime-version; bh=sNY//5oU0yGf0D2Mqrhv3t+mWwE7i8EObPMEnJmoR2A=; b=F+HQ4E2CN8JNKVqHYIB7cOFWpAshWL5wSd/aQzoMUW9yh+nG+TXZl1B5 t2gGAMMwS/t3PP6ETpr0QNuXV8LkbO0ds8wAWb3g6vgSZnY2Ji745ltb6 GSXu5jmRfgaiZv4uxIq/6Z0WVTq96fn8JvYh4a7ZpiDYO3+qZR+Z5LPj4 mUkW67sh8BNMcNaQDWbPyKlvdgW3on8iZQ5OotBy1rfUwspdTqDOgry7R MyA00mGVY2PO3i4XPCjIGZCEe6PUBX0k/diZj1r3vPlN/KZ+MTXumCTlS M3yiYDlib4hzWiPRY2ng8IbcRIKTsKrJ1xSk0fMGgN3CD/3u9cfswCdUW w==; X-CSE-ConnectionGUID: QudcZztPRi+/P7/HP4h8+w== X-CSE-MsgGUID: /dOlxMR+S9qUArL5p56hJg== X-IronPort-AV: E=McAfee;i="6700,10204,11205"; a="26385310" X-IronPort-AV: E=Sophos;i="6.10,255,1719903600"; d="scan'208";a="26385310" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Sep 2024 13:56:41 -0700 X-CSE-ConnectionGUID: +mn6KPFBRnihwtPrdulfZg== X-CSE-MsgGUID: vdda19rhQH6rM92vSjHrmA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,255,1719903600"; d="scan'208";a="71873296" Received: from lkp-server01.sh.intel.com (HELO 53e96f405c61) ([10.239.97.150]) by orviesa006.jf.intel.com with ESMTP; 24 Sep 2024 13:56:40 -0700 Received: from kbuild by 53e96f405c61 with local (Exim 4.96) (envelope-from ) id 1stCaL-000IpJ-0u; Tue, 24 Sep 2024 20:56:37 +0000 Date: Wed, 25 Sep 2024 04:55:55 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: [openeuler:OLK-5.10 23318/30000] drivers/platform/x86/intel_speed_select_if/isst_tpmi_core.c:100 isst_if_get_tpmi_instance_count() warn: potential spectre issue 'isst_common.sst_inst' [r] (local cap) Message-ID: <202409250439.RGKHfbdX-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev TO: kernel@openeuler.org TO: Yingbao Jia tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: ef5e9d0437237465f258a80a0d5d8e1e26872c7a commit: 4dc4d762dd6ed4cb851209a87e79d7d936b3fb4c [23318/30000] platform/x86: ISST: Enumerate TPMI SST and create framework :::::: branch date: 7 hours ago :::::: commit date: 8 months ago config: x86_64-randconfig-161-20240925 (https://download.01.org/0day-ci/archive/20240925/202409250439.RGKHfbdX-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202409250439.RGKHfbdX-lkp@intel.com/ smatch warnings: drivers/platform/x86/intel_speed_select_if/isst_tpmi_core.c:100 isst_if_get_tpmi_instance_count() warn: potential spectre issue 'isst_common.sst_inst' [r] (local cap) drivers/platform/x86/intel_speed_select_if/isst_tpmi_core.c:104 isst_if_get_tpmi_instance_count() warn: possible spectre second half. 'sst_inst' vim +100 drivers/platform/x86/intel_speed_select_if/isst_tpmi_core.c 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 87 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 88 static int isst_if_get_tpmi_instance_count(void __user *argp) 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 89 { 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 90 struct isst_tpmi_instance_count tpmi_inst; 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 91 struct tpmi_sst_struct *sst_inst; 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 92 int i; 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 93 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 94 if (copy_from_user(&tpmi_inst, argp, sizeof(tpmi_inst))) 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 95 return -EFAULT; 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 96 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 97 if (tpmi_inst.socket_id >= topology_max_packages()) 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 98 return -EINVAL; 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 99 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 @100 tpmi_inst.count = isst_common.sst_inst[tpmi_inst.socket_id]->number_of_power_domains; 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 101 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 102 sst_inst = isst_common.sst_inst[tpmi_inst.socket_id]; 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 103 tpmi_inst.valid_mask = 0; 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 @104 for (i = 0; i < sst_inst->number_of_power_domains; ++i) { 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 105 struct tpmi_per_power_domain_info *power_domain_info; 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 106 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 107 power_domain_info = &sst_inst->power_domain_info[i]; 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 108 if (power_domain_info->sst_base) 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 109 tpmi_inst.valid_mask |= BIT(i); 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 110 } 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 111 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 112 if (copy_to_user(argp, &tpmi_inst, sizeof(tpmi_inst))) 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 113 return -EFAULT; 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 114 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 115 return 0; 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 116 } 4dc4d762dd6ed4 Srinivas Pandruvada 2023-03-07 117 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki