From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (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 994238837 for ; Thu, 12 Dec 2024 00:43:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733964230; cv=none; b=QyPz8j04S1CcUtrMAG/44yth/pRf/wqhVZzkNh0h24CIrHd0rlQo6NmilWmsEITfNCm3/pkwTlwfYunFjddCTtyzGIbNHBezwMWztOyNLtVwUYoD0Xppbqa+lxtkiSZ2Y9uqGcN07MnfDFTo6ZFm4BchfsqCaXsGiYbgRTh8Pxw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733964230; c=relaxed/simple; bh=hYv5hL0UN1A7AC9q9NHwmxTmrIGgiJrTBeIHE/Fkri8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=JbcxCkjMvxYwW2m8cbtd7iSs/DaJFwDsWxslX+S4SDJlD/kYXfi1qOWr4va8FBdNgO7m0nIJ7BjWyr71CZxn+PCABjBLKeKCFprOmDlUn48f79X75kzcpaxUzWHrmvfWJcqzLkf1AaOyR1PiAZd71AYRa1IvL0toEQOfZkp86HU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=XRoJtj8V; arc=none smtp.client-ip=192.198.163.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="XRoJtj8V" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1733964228; x=1765500228; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=hYv5hL0UN1A7AC9q9NHwmxTmrIGgiJrTBeIHE/Fkri8=; b=XRoJtj8V6DGPro/lTIuGatxiMDgA90DnWlpQ3nyjJL9eJwYCu3+mTssc 3lPVOXwfSux8ingldqa3bYwOrTt7OOGiKzOm99WKHnVsU78ZAWW+DtsMs 2FSiOPltvOPenxL6Ij8+llsCNJmJS2QVlckzd4+ibzoXol4j+GGdkdnuk OqAFK9Kuskr5IEKevwvJPP2S2XlElyDlDF0xyw/g8pbm8Y5Czq8X17Qw5 6zwJQxcGT3oz2RymtOmr2dNLKShJhYfXxhrMFxxJCArcjz6A7XXdlB19t vKzNXBQrauzZEMqV9cFD/AnJGDH5WxaI0jZHNL63/Gk8rRktyhJPEyVZ/ A==; X-CSE-ConnectionGUID: VHRjFtcxQOOfI6nmEz1GUQ== X-CSE-MsgGUID: ytjf4VZSQHq+c6196OTeUQ== X-IronPort-AV: E=McAfee;i="6700,10204,11283"; a="34269129" X-IronPort-AV: E=Sophos;i="6.12,227,1728975600"; d="scan'208";a="34269129" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Dec 2024 16:43:48 -0800 X-CSE-ConnectionGUID: eVLtpLKJSNaUGQQmb2j9uA== X-CSE-MsgGUID: zoZtu1tqRKKhcmOBvFuBpQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="119263328" Received: from allen-sbox.sh.intel.com (HELO [10.239.159.30]) ([10.239.159.30]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Dec 2024 16:43:47 -0800 Message-ID: <52932cf3-41af-4f71-a961-57b26e9fedad@linux.intel.com> Date: Thu, 12 Dec 2024 08:42:13 +0800 Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [bug report] iommu/vt-d: Drain PRQs when domain removed from RID To: Dan Carpenter Cc: iommu@lists.linux.dev References: Content-Language: en-US From: Baolu Lu In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 12/11/24 20:42, Dan Carpenter wrote: > Hello Lu Baolu, > > Commit c43e1ccdebf2 ("iommu/vt-d: Drain PRQs when domain removed from > RID") from Nov 4, 2024 (linux-next), leads to the following Smatch > static checker warning: > > drivers/iommu/intel/prq.c:95 intel_iommu_drain_pasid_prq() > warn: sleeping in atomic context Thank you for the reporting, Dan. I will soon post a fix for this. Thanks, baolu