From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) (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 2F5531ACEDF for ; Wed, 22 Oct 2025 00:42:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761093761; cv=none; b=I3Y6qPPi9RH9bJDojQnTfXI4ycgMxm0fuzoOicN/MWZfhkP4UhkIWgQwYolXk4l9M+L9/twcYmA41EYa+sHJ8u8ij5zJPYDHc6FzLRDCliBPRJHlv6IrGg6QbLqzrSQdz1YXdNiroIEq0xHQ7LPHbEV4xNYoBn8Oxq/ry0gMFRA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761093761; c=relaxed/simple; bh=2hJSSDjXFAtycKzGHNXMUfkoGs9eSHIsgvQX1xkelMQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=uHgzVXAYRkLCCNrEWduEHM3AL90ZBPbajI1/wuu5y9ao3fAuFZCX90pMTZaS34/QFZGc2g0Pftj/sTtFUW0BSMbbg/3MEbL/8Vb2l3wJaUvLnohlS7fHpdCcokyRzZ18H8gEv016IYb6mP1yAoCbhi/jcJaodcporfgkjNQ4VWY= 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=HJAkcmwf; arc=none smtp.client-ip=192.198.163.12 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="HJAkcmwf" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761093758; x=1792629758; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=2hJSSDjXFAtycKzGHNXMUfkoGs9eSHIsgvQX1xkelMQ=; b=HJAkcmwf/6sXz84BPYG0cs7UTzPdqjEN/ekIKp5N1sr4oHPCFl2IxFJA qR8hY0fYw/onw3pNjnrSrq5M5vGOl2gwpwquUH+O0USYSGVO9+0kSRNrw Znwkeru/UKqXQwF1+gzo12Gwx8eh5+/pqlycP/rTL3XBA0p2EL8XePLhb eUZvaQ+HBkicqIS7Mg/WVvmHqcsoTnb/mo7OJafOQaT6s6zXtezHezoit Y9iIeUIBJTyKLepEfv0THzEkF7RO3R/ModR8lLs400KkMXKeDjLaq9hG2 TnpK+VmvZA0fzUoj9cxsRaAyn+G8iUX3r2qsFSFdjtYRuUvJm1Gb48w8s w==; X-CSE-ConnectionGUID: Fw/6DowUSQSYGslIwC2lsg== X-CSE-MsgGUID: p87HtHH+TZeqpacpnZcgTQ== X-IronPort-AV: E=McAfee;i="6800,10657,11586"; a="67096005" X-IronPort-AV: E=Sophos;i="6.19,246,1754982000"; d="scan'208";a="67096005" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Oct 2025 17:42:38 -0700 X-CSE-ConnectionGUID: BvgKpkZQScmdObRcScbiFQ== X-CSE-MsgGUID: QTz4Q1PfQ2yOrslB8fd+KQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,246,1754982000"; d="scan'208";a="183302643" Received: from lkp-server02.sh.intel.com (HELO 66d7546c76b2) ([10.239.97.151]) by orviesa009.jf.intel.com with ESMTP; 21 Oct 2025 17:42:36 -0700 Received: from kbuild by 66d7546c76b2 with local (Exim 4.96) (envelope-from ) id 1vBMvj-000Brp-2l; Wed, 22 Oct 2025 00:42:22 +0000 Date: Wed, 22 Oct 2025 08:41:58 +0800 From: kernel test robot To: Biancaa Ramesh , linux-kernel@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Biancaa Ramesh Subject: Re: [PATCH] dma-buf: improve dma_buf_show_fdinfo output Message-ID: <202510220802.svbgdYsJ-lkp@intel.com> References: <20251021133132.29751-1-biancaa2210329@ssn.edu.in> 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: <20251021133132.29751-1-biancaa2210329@ssn.edu.in> Hi Biancaa, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.18-rc2 next-20251021] [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/Biancaa-Ramesh/dma-buf-improve-dma_buf_show_fdinfo-output/20251021-213541 base: linus/master patch link: https://lore.kernel.org/r/20251021133132.29751-1-biancaa2210329%40ssn.edu.in patch subject: [PATCH] dma-buf: improve dma_buf_show_fdinfo output config: x86_64-buildonly-randconfig-002-20251022 (https://download.01.org/0day-ci/archive/20251022/202510220802.svbgdYsJ-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251022/202510220802.svbgdYsJ-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/202510220802.svbgdYsJ-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/dma-buf/dma-buf.c: In function 'dma_buf_show_fdinfo': >> drivers/dma-buf/dma-buf.c:581:30: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'unsigned int' [-Wformat=] 581 | seq_printf(s, "flags:\t%lu\n", f->f_flags); | ~~^ ~~~~~~~~~~ | | | | | unsigned int | long unsigned int | %u >> drivers/dma-buf/dma-buf.c:582:30: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 3 has type 'size_t' {aka 'long unsigned int'} [-Wformat=] 582 | seq_printf(s, "size:\t%llu\n", dmabuf->size); | ~~~^ ~~~~~~~~~~~~ | | | | | size_t {aka long unsigned int} | long long unsigned int | %lu drivers/dma-buf/dma-buf.c:584:62: error: 'struct dma_buf' has no member named 'num_attachments'; did you mean 'attachments'? 584 | seq_printf(s, "attachments:\t%d\n", atomic_read(&dmabuf->num_attachments)); | ^~~~~~~~~~~~~~~ | attachments drivers/dma-buf/dma-buf.c:585:57: error: 'struct dma_buf' has no member named 'num_mappings' 585 | seq_printf(s, "mappings:\t%d\n", atomic_read(&dmabuf->num_mappings)); | ^~ vim +581 drivers/dma-buf/dma-buf.c 573 574 static void dma_buf_show_fdinfo(struct seq_file *s, struct file *f) 575 { 576 struct dma_buf *dmabuf = f->private_data; 577 578 if (!dmabuf) 579 return; 580 > 581 seq_printf(s, "flags:\t%lu\n", f->f_flags); > 582 seq_printf(s, "size:\t%llu\n", dmabuf->size); 583 seq_printf(s, "count:\t%ld\n", file_count(dmabuf->file) - 1); 584 seq_printf(s, "attachments:\t%d\n", atomic_read(&dmabuf->num_attachments)); 585 seq_printf(s, "mappings:\t%d\n", atomic_read(&dmabuf->num_mappings)); 586 seq_printf(s, "exp_name:\t%s\n", dmabuf->exp_name ? dmabuf->exp_name : "N/A"); 587 588 spin_lock(&dmabuf->name_lock); 589 if (dmabuf->name) 590 seq_printf(s, "name:\t%s\n", dmabuf->name); 591 spin_unlock(&dmabuf->name_lock); 592 } 593 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki