linux-kernel - RE: [PATCH v4 5/7] iommufd/vdevice: Remove struct device reference from struct vdevice

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Message-ID: <BN9PR11MB52766C782428DE4D7913A3CF8C48A@BN9PR11MB5276.namprd11.prod.outlook.com>
Date: Thu, 10 Jul 2025 08:04:37 +0000
From: "Tian, Kevin" <kevin.tian@...el.com>
To: Xu Yilun <yilun.xu@...ux.intel.com>, "jgg@...dia.com" <jgg@...dia.com>,
	"jgg@...pe.ca" <jgg@...pe.ca>, "will@...nel.org" <will@...nel.org>,
	"aneesh.kumar@...nel.org" <aneesh.kumar@...nel.org>
CC: "iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"joro@...tes.org" <joro@...tes.org>, "robin.murphy@....com"
	<robin.murphy@....com>, "shuah@...nel.org" <shuah@...nel.org>,
	"nicolinc@...dia.com" <nicolinc@...dia.com>, "aik@....com" <aik@....com>,
	"Williams, Dan J" <dan.j.williams@...el.com>, "baolu.lu@...ux.intel.com"
	<baolu.lu@...ux.intel.com>, "Xu, Yilun" <yilun.xu@...el.com>
Subject: RE: [PATCH v4 5/7] iommufd/vdevice: Remove struct device reference
 from struct vdevice

> From: Xu Yilun <yilun.xu@...ux.intel.com>
> Sent: Wednesday, July 9, 2025 12:03 PM
> 
> 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.
> 
> Reviewed-by: Jason Gunthorpe <jgg@...dia.com>
> Reviewed-by: Lu Baolu <baolu.lu@...ux.intel.com>
> Signed-off-by: Xu Yilun <yilun.xu@...ux.intel.com>

Reviewed-by: Kevin Tian <kevin.tian@...el.com>