From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 E1C952D1F7E; Wed, 5 Nov 2025 07:18:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762327090; cv=none; b=UnjK1G+VjU3+YEcaCryQYK4WPBjDtjmBiLsi0hL6WVbTBR68XXq0XPju4nd+9wunUhRpH+89YMZfCp1fxtAhWjxjf4UdauHT1rrko6QU33Uh/DVqJefcGM5v4M9zq5gP7sFVttj1L1m/ka/0JAmYxySf3QIG8dEvJ97feJ8fNBs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762327090; c=relaxed/simple; bh=0jENaG5TcvsOk5HG6h+5wpqjihfYR/5a1tIT6kGcv+Y=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=G3K7d9emgUJoAwFc4p/u7iG6X0fmkwSRXZTEVHNgCW/lfwpBL+hJv2utiEfGN+k/C8XzvurUVOHP8OX/BXkd9u0nj1vEDbnZDS9hZZh+Pmw1Pl+aPBKNq6YRbsv3Gl7sMaDUO3G48g1MjOveicUErhXJLyMmReZdpu+VH5CMlgk= 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=etE+g+Z+; arc=none smtp.client-ip=198.175.65.12 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="etE+g+Z+" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762327088; x=1793863088; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=0jENaG5TcvsOk5HG6h+5wpqjihfYR/5a1tIT6kGcv+Y=; b=etE+g+Z+KXRRTkkwHmktsChFYu5ZS9OVM5TKzpty0UNL2y1ZsPfundc/ wa6OqozxqAJirgz7RFTIScO6JpAeYymp4fKsrWAgMRw+51Ao7OCHvLHE/ hscH8Bjr8rZVJ6feIIcjYsZzWAf4KTWeRB/9BZO0bTXYLwgIkzi3okuK7 7cxbjv/MY+I6wYrK3LEOdvDERT7P0iXleLdepAFLY66b7ppdnzuyyaCt0 ICjv9lvkCGkUuIp/aTkW4HdlvTU0QRba5OKm3izj78KvQTa8AvmVXK6SP aL/9Kk4sUC8u5rDp8H5WXzcZH0AuXu1RAKKzmGSMMNy3l4X9mz08P0C+7 A==; X-CSE-ConnectionGUID: aLLZdPTwS+aJMZpaUXmH/A== X-CSE-MsgGUID: up8grP8hTnSTPinCWtuP5g== X-IronPort-AV: E=McAfee;i="6800,10657,11603"; a="75883122" X-IronPort-AV: E=Sophos;i="6.19,281,1754982000"; d="scan'208";a="75883122" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Nov 2025 23:18:07 -0800 X-CSE-ConnectionGUID: JYKnhvvcSxGl/MfEfg0OuA== X-CSE-MsgGUID: apvBLsFmRbqVXCV7UjNzJg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,281,1754982000"; d="scan'208";a="187050142" Received: from lkp-server02.sh.intel.com (HELO 66d7546c76b2) ([10.239.97.151]) by fmviesa007.fm.intel.com with ESMTP; 04 Nov 2025 23:18:05 -0800 Received: from kbuild by 66d7546c76b2 with local (Exim 4.96) (envelope-from ) id 1vGXmH-000SFo-0o; Wed, 05 Nov 2025 07:17:58 +0000 Date: Wed, 5 Nov 2025 15:17:54 +0800 From: kernel test robot To: Huiwen He , Steven Rostedt Cc: oe-kbuild-all@lists.linux.dev, Masami Hiramatsu , Mathieu Desnoyers , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Huiwen He Subject: Re: [PATCH] tracing/hist: make err_text array fully const Message-ID: <202511051436.6ZUGn3Af-lkp@intel.com> References: <20251104045558.1644671-1-hehuiwen@kylinos.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251104045558.1644671-1-hehuiwen@kylinos.cn> Hi Huiwen, kernel test robot noticed the following build warnings: [auto build test WARNING on trace/for-next] [also build test WARNING on linus/master v6.18-rc4 next-20251104] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Huiwen-He/tracing-hist-make-err_text-array-fully-const/20251104-125932 base: https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace for-next patch link: https://lore.kernel.org/r/20251104045558.1644671-1-hehuiwen%40kylinos.cn patch subject: [PATCH] tracing/hist: make err_text array fully const config: riscv-randconfig-001-20251105 (https://download.01.org/0day-ci/archive/20251105/202511051436.6ZUGn3Af-lkp@intel.com/config) compiler: riscv32-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251105/202511051436.6ZUGn3Af-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/202511051436.6ZUGn3Af-lkp@intel.com/ All warnings (new ones prefixed by >>): kernel/trace/trace_events_hist.c: In function 'hist_err': >> kernel/trace/trace_events_hist.c:808:46: warning: passing argument 4 of 'tracing_log_err' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] tracing_log_err(tr, last_cmd_loc, last_cmd, err_text, ^~~~~~~~ In file included from kernel/trace/trace_dynevent.h:14, from kernel/trace/trace_synth.h:5, from kernel/trace/trace_events_hist.c:22: kernel/trace/trace.h:2113:21: note: expected 'const char **' but argument is of type 'const char * const*' const char **errs, u8 type, u16 pos); ~~~~~~~~~~~~~^~~~ vim +808 kernel/trace/trace_events_hist.c 4b147936fa50965 Tom Zanussi 2018-01-15 802 edfeed318d59ff2 Tom Zanussi 2022-01-28 803 static void hist_err(struct trace_array *tr, u8 err_type, u16 err_pos) 7bbab38d07f3185 Masami Hiramatsu 2018-11-05 804 { edfeed318d59ff2 Tom Zanussi 2022-01-28 805 if (!last_cmd) edfeed318d59ff2 Tom Zanussi 2022-01-28 806 return; edfeed318d59ff2 Tom Zanussi 2022-01-28 807 726721a51838e39 Tom Zanussi 2020-05-28 @808 tracing_log_err(tr, last_cmd_loc, last_cmd, err_text, 726721a51838e39 Tom Zanussi 2020-05-28 809 err_type, err_pos); 7bbab38d07f3185 Masami Hiramatsu 2018-11-05 810 } 7bbab38d07f3185 Masami Hiramatsu 2018-11-05 811 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki