From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 C8787387591; Thu, 26 Feb 2026 18:48:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772131716; cv=none; b=YEDALyTXyTuZ0lcMYkV8BtqYlLlrRI85Kh7+1Es1bAn8GLfjKGKs3mDKeI3/VwUGEdGcgD8K5kWJ2GnKvbuZvsLBn774ZoAzzvoNOP/oz6m1VeUFylT/JqOByArF2/oc2Y3vwtljsH1JH5fv9BOmkXwIcdhDqLHOnYb8rWdL96w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772131716; c=relaxed/simple; bh=Dsa4IPWVksq4qQJNj7lZdQ9EJHRm0dzFcpiPCh8Xsy4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=OPAKlc6//ulF6FQ8VdYqMOJUpOhBD971f+V3kZSlJLCXa9eEMw2BAaNhwbOtRHttCxDFAGyvUzJys0XaPNE86HkgWl0oOrrLySfKlTeD9eCH1eHlR3Z2QaWdWS6DRReB5aWED/TAXRiA0S6EXu411QXxMnprZeceY36b9DNiE/0= 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=PkkqLHA7; arc=none smtp.client-ip=198.175.65.9 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="PkkqLHA7" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772131714; x=1803667714; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=Dsa4IPWVksq4qQJNj7lZdQ9EJHRm0dzFcpiPCh8Xsy4=; b=PkkqLHA7BH0SCrRa1Jeji++3Re/W6WUZG6fO441815CFrxVi9ZO2FeOT oED1m/XPDvXjc/8csh2peDbsQYIdNE76q7cO8O1rUtKtCE0V0nZ82TjVf UPn+1TbOt9IkBwGS/AQDughRLL8MtxvN3WvBVptQUsvUPt5An2sx8gCiy lTYeEylnedheSf10GSlymKDyiG0qDeorq/RcfWFmCBTbV9+sBAskOaR5M tcBLKGV14lnM/7ig/F0RhXIBbgkAYWl9eMLjDRFG7vsf3m6XxuQXGRiP8 4zDCBHwsLUaI12Jo2MRdDYamQ3MnXSWi24AYOJD16Gspgg06t0yXqp/gr g==; X-CSE-ConnectionGUID: lMwN+MHOQwGQBxR+FJbTAw== X-CSE-MsgGUID: 0SeqxvnvSR6oYwETZxWqgQ== X-IronPort-AV: E=McAfee;i="6800,10657,11713"; a="95821607" X-IronPort-AV: E=Sophos;i="6.21,312,1763452800"; d="scan'208";a="95821607" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Feb 2026 10:48:34 -0800 X-CSE-ConnectionGUID: q7KD1QjmTIGDr6jWxM07qg== X-CSE-MsgGUID: 8cQOkpz3TUG+GaugjRhiYg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,312,1763452800"; d="scan'208";a="221659563" Received: from lkp-server02.sh.intel.com (HELO a3936d6a266d) ([10.239.97.151]) by orviesa005.jf.intel.com with ESMTP; 26 Feb 2026 10:48:33 -0800 Received: from kbuild by a3936d6a266d with local (Exim 4.98.2) (envelope-from ) id 1vvgPV-000000009mR-4937; Thu, 26 Feb 2026 18:48:29 +0000 Date: Fri, 27 Feb 2026 02:48:26 +0800 From: kernel test robot To: "Masami Hiramatsu (Google)" , Steven Rostedt Cc: oe-kbuild-all@lists.linux.dev, Masami Hiramatsu , Mathieu Desnoyers , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Subject: Re: [PATCH v5 1/3] ring-buffer: Flush and stop persistent ring buffer on panic Message-ID: <202602270244.3JWhusi4-lkp@intel.com> References: <177211311593.419230.2212568977306190482.stgit@mhiramat.tok.corp.google.com> Precedence: bulk X-Mailing-List: linux-trace-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: <177211311593.419230.2212568977306190482.stgit@mhiramat.tok.corp.google.com> Hi Masami, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v7.0-rc1 next-20260226] [cannot apply to trace/for-next] [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/Masami-Hiramatsu-Google/ring-buffer-Flush-and-stop-persistent-ring-buffer-on-panic/20260226-222418 base: linus/master patch link: https://lore.kernel.org/r/177211311593.419230.2212568977306190482.stgit%40mhiramat.tok.corp.google.com patch subject: [PATCH v5 1/3] ring-buffer: Flush and stop persistent ring buffer on panic config: sparc-randconfig-001-20260227 (https://download.01.org/0day-ci/archive/20260227/202602270244.3JWhusi4-lkp@intel.com/config) compiler: sparc64-linux-gcc (GCC) 11.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260227/202602270244.3JWhusi4-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/202602270244.3JWhusi4-lkp@intel.com/ All errors (new ones prefixed by >>): kernel/trace/ring_buffer.c: In function 'rb_flush_buffer_cb': >> kernel/trace/ring_buffer.c:2481:9: error: implicit declaration of function 'flush_cache_all'; did you mean 'flush_cache_page'? [-Werror=implicit-function-declaration] 2481 | flush_cache_all(); | ^~~~~~~~~~~~~~~ | flush_cache_page cc1: some warnings being treated as errors vim +2481 kernel/trace/ring_buffer.c 2475 2476 static int rb_flush_buffer_cb(struct notifier_block *nb, unsigned long event, void *data) 2477 { 2478 struct trace_buffer *buffer = container_of(nb, struct trace_buffer, flush_nb); 2479 2480 ring_buffer_record_off(buffer); > 2481 flush_cache_all(); 2482 return NOTIFY_DONE; 2483 } 2484 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki