From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (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 521A53A4509 for ; Sat, 23 May 2026 14:20:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779546028; cv=none; b=eSjsdPrqruvnQyG/wBSag1hTqqyXxCvFc5eVXXOq7C72dkUAQmU7/8Mgy5Otbjg0PtYLuWcINJaqK+nf2ArZUXJ3lLnyU3erGNsJD3jmT6GgBYCaaiczz7y7u4ICcsVATyUKKatdYUuXxrNOZBfWD8hAcnWTHrBpei1w0w4RWQM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779546028; c=relaxed/simple; bh=ZA2Id/Yt4Jy50xvhJ7EHhr8GP/UFeZGGnuHZ/xv55Wo=; h=Date:From:To:Cc:Subject:Message-ID; b=Cpxcl5jMo5pW+rpP6MaOYnMHqogdZQKBcJIB/uWURPp7W0RJsbHKmvYJyhR7D7gySU0HTCnkpsCG5oEiLmq5UbZQo0b0/EwpnRQUP8sE/BbCP1lUhNpqaCL6Y8RWn5Kc0aGhTGk4SOpTeGrNOk4uAu4r0dYzfW3VEcfcwYoksUM= 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=BTIAPc3f; arc=none smtp.client-ip=192.198.163.16 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="BTIAPc3f" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1779546026; x=1811082026; h=date:from:to:cc:subject:message-id; bh=ZA2Id/Yt4Jy50xvhJ7EHhr8GP/UFeZGGnuHZ/xv55Wo=; b=BTIAPc3f023fiTVhTMLCoUJIKInmvSz63V8/Uc3udwJO2ZPyDL926ePM Ghon839/XzAyg/S1t9x/9CnQvLiHAOaNtZ8XmtNs2X1GMzxUl1W3d1GlI 9SNyXth+L8bQ3bBWlFj9CV6hHJvovLtGvPvGxEL5mEMqgg7lnQ1RElOQ8 Q6h3VPCcgHzz9UmyP3ZXz4C+0w3AjhPkFBYlHHynB6D0fRQ06+rIl16G8 rADusS0d191/AXVHPyEGMEcSPNlkd3ByU9xub7RTgAuufRAr2lKG5WYv0 vmip3acGryPatpk3d4Aq5W+38QMnt5RgHYVBvFy/uUFVo2bppye2GVKve Q==; X-CSE-ConnectionGUID: f/K7k0NsSKmnXxCZnsofCg== X-CSE-MsgGUID: FOjz/0YOSNuawkEPjBhW2Q== X-IronPort-AV: E=McAfee;i="6800,10657,11795"; a="67972287" X-IronPort-AV: E=Sophos;i="6.24,164,1774335600"; d="scan'208";a="67972287" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 May 2026 07:20:26 -0700 X-CSE-ConnectionGUID: F42AaWi3QQSkVt72Pi8Iag== X-CSE-MsgGUID: FVRRDfjHRcCQgScjuK2GEA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,164,1774335600"; d="scan'208";a="245457094" Received: from lkp-server01.sh.intel.com (HELO cef7325a8999) ([10.239.97.150]) by orviesa004.jf.intel.com with ESMTP; 23 May 2026 07:20:24 -0700 Received: from kbuild by cef7325a8999 with local (Exim 4.98.2) (envelope-from ) id 1wQnDA-0000000008P-1HuG; Sat, 23 May 2026 14:20:20 +0000 Date: Sat, 23 May 2026 22:19:57 +0800 From: kernel test robot To: Tiwei Bie Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Johannes Berg Subject: drivers/rpmsg/qcom_glink_smem.c:108:48: sparse: sparse: incorrect type in argument 2 (different address spaces) Message-ID: <202605232211.rTPARBaB-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Hi Tiwei, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 79bd2dded182b1d458b18e62684b7f82ffc682e5 commit: a0e2cb6a90634f3dc80f16e882a683ee5761b0b0 um: Add VFIO-based virtual PCI driver date: 1 year, 1 month ago config: um-randconfig-r132-20260523 (https://download.01.org/0day-ci/archive/20260523/202605232211.rTPARBaB-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260523/202605232211.rTPARBaB-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: a0e2cb6a9063 ("um: Add VFIO-based virtual PCI driver") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202605232211.rTPARBaB-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/rpmsg/qcom_glink_smem.c:108:48: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/rpmsg/qcom_glink_smem.c:108:48: sparse: expected void const volatile [noderef] __iomem *addr drivers/rpmsg/qcom_glink_smem.c:108:48: sparse: got void * >> drivers/rpmsg/qcom_glink_smem.c:111:47: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void *fifo @@ drivers/rpmsg/qcom_glink_smem.c:111:47: sparse: expected void const volatile [noderef] __iomem *addr drivers/rpmsg/qcom_glink_smem.c:111:47: sparse: got void *fifo vim +108 drivers/rpmsg/qcom_glink_smem.c caf989c350e8e0b Bjorn Andersson 2017-08-24 93 a8f500c68673d38 Bjorn Andersson 2023-02-14 94 static void glink_smem_rx_peek(struct qcom_glink_pipe *np, b88eee975a26b15 Bjorn Andersson 2017-08-24 95 void *data, unsigned int offset, size_t count) caf989c350e8e0b Bjorn Andersson 2017-08-24 96 { caf989c350e8e0b Bjorn Andersson 2017-08-24 97 struct glink_smem_pipe *pipe = to_smem_pipe(np); caf989c350e8e0b Bjorn Andersson 2017-08-24 98 size_t len; caf989c350e8e0b Bjorn Andersson 2017-08-24 99 u32 tail; caf989c350e8e0b Bjorn Andersson 2017-08-24 100 caf989c350e8e0b Bjorn Andersson 2017-08-24 101 tail = le32_to_cpu(*pipe->tail); b88eee975a26b15 Bjorn Andersson 2017-08-24 102 tail += offset; b88eee975a26b15 Bjorn Andersson 2017-08-24 103 if (tail >= pipe->native.length) b88eee975a26b15 Bjorn Andersson 2017-08-24 104 tail -= pipe->native.length; caf989c350e8e0b Bjorn Andersson 2017-08-24 105 caf989c350e8e0b Bjorn Andersson 2017-08-24 106 len = min_t(size_t, count, pipe->native.length - tail); 928002a5e9dab2d Arun Kumar Neelakantam 2018-10-03 107 if (len) 928002a5e9dab2d Arun Kumar Neelakantam 2018-10-03 @108 memcpy_fromio(data, pipe->fifo + tail, len); caf989c350e8e0b Bjorn Andersson 2017-08-24 109 928002a5e9dab2d Arun Kumar Neelakantam 2018-10-03 110 if (len != count) 928002a5e9dab2d Arun Kumar Neelakantam 2018-10-03 @111 memcpy_fromio(data + len, pipe->fifo, (count - len)); caf989c350e8e0b Bjorn Andersson 2017-08-24 112 } caf989c350e8e0b Bjorn Andersson 2017-08-24 113 :::::: The code at line 108 was first introduced by commit :::::: 928002a5e9dab2ddc1a0fe3e00739e89be30dc6b rpmsg: glink: smem: Support rx peak for size less than 4 bytes :::::: TO: Arun Kumar Neelakantam :::::: CC: Bjorn Andersson -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki