From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 E01501A2381 for ; Mon, 30 Jun 2025 05:12:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751260368; cv=none; b=O8qfAZBWvCfPaT6+uqW5XMj9z2SfSKGAEu0eW/4obehQN86vyuCA2rZFu3DN9/Fo8s7gADR/e0Th3c5KU5aqrU110sdiTihu9YvFkcFL2Glk8u2Y2W6f06jvJNF8xDDRP8hWIDUH74sphYO04NgQFqYdSk2iyU2cbtec7WP97dA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751260368; c=relaxed/simple; bh=TXHvDMtP4fFiFPmwe6XUctKI3tikSjkxZwf72We4moY=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=WSnAKYDB319V8ERPyQdeqlwmgLP3MZC8WficTZVUsomWZulUhfAHMuJNbqXj5yD6l3e4PxfA7dXGbKNSUw7R+o3yyYPjIju6PTN7JdH7ncKr+d8Tpe36mr70KmDQqcNySSMXCdXOWY3sJ7iKooO0cVWsD00mcuK+fH17e9es7qc= 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=RL2kS+h2; arc=none smtp.client-ip=192.198.163.14 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="RL2kS+h2" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1751260367; x=1782796367; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=TXHvDMtP4fFiFPmwe6XUctKI3tikSjkxZwf72We4moY=; b=RL2kS+h2ciXEWYXchfDQPijFrupk2LzN+dkyKreAg+KTsUwl7z+FHuTV 5eVhETgoO//VlE6t/a/lGKxsA5RGC/l8MRZVn6n0izkSArWRHX5LdPadX PWNuAkcnU9fksHfBpxjYi16PJjKVi/Q6uyq9aUdTHCBSKRrEdiO4flJkN uocVcXsNK9vAWzLkLgi/tbLi0Ele71RTyqD+SwoJQAa2n9vRcMu7lBKj4 jGy6FFzwqBX8tnvwywQR/om9+ytlvuyXDdfxiNqg7wDEO0gjVijX7hFoW lHQEcGC/+GE/bApRtEHyKy/QPOUpMu8/PJuhsjsdiNoO5fhmR/hZrNTYL Q==; X-CSE-ConnectionGUID: VAlFkmraRDyDQiQjDLbu+w== X-CSE-MsgGUID: ewf4XOgMSCiAydJkeFrcDA== X-IronPort-AV: E=McAfee;i="6800,10657,11479"; a="53568273" X-IronPort-AV: E=Sophos;i="6.16,277,1744095600"; d="scan'208";a="53568273" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jun 2025 22:12:46 -0700 X-CSE-ConnectionGUID: nlddMux1QVuWksapdiBNFw== X-CSE-MsgGUID: iOgeKmEOSsqCp28zWYCVLw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,277,1744095600"; d="scan'208";a="157378756" Received: from allen-sbox.sh.intel.com (HELO [10.239.159.30]) ([10.239.159.30]) by fmviesa003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jun 2025 22:12:43 -0700 Message-ID: <22789824-bc09-4351-a7c5-5d917ebfcdaf@linux.intel.com> Date: Mon, 30 Jun 2025 13:11:19 +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: [PATCH v3 3/5] iommufd/vdevice: Remove struct device reference from struct vdevice To: Xu Yilun , jgg@nvidia.com, jgg@ziepe.ca, kevin.tian@intel.com, will@kernel.org, aneesh.kumar@kernel.org Cc: iommu@lists.linux.dev, linux-kernel@vger.kernel.org, joro@8bytes.org, robin.murphy@arm.com, shuah@kernel.org, nicolinc@nvidia.com, aik@amd.com, dan.j.williams@intel.com, yilun.xu@intel.com References: <20250627033809.1730752-1-yilun.xu@linux.intel.com> <20250627033809.1730752-4-yilun.xu@linux.intel.com> Content-Language: en-US From: Baolu Lu In-Reply-To: <20250627033809.1730752-4-yilun.xu@linux.intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 6/27/25 11:38, Xu Yilun wrote: > Remove struct device *dev from struct vdevice. > > The dev pointer is the Plan B for vdevice to reference the physical > device. As now vdev->idev is added without refcounting concern, just > use vdev->idev->dev when needed. > > Signed-off-by: Xu Yilun Reviewed-by: Lu Baolu