RE: [PATCH v2 2/5] vfio-iommufd: No need to record iommufd_ctx in vfio_device

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To: "Liu, Yi L" <yi.l.liu@xxxxxxxxx>, "alex.williamson@xxxxxxxxxx" <alex.williamson@xxxxxxxxxx>, "jgg@xxxxxxxxxx" <jgg@xxxxxxxxxx>
Subject: RE: [PATCH v2 2/5] vfio-iommufd: No need to record iommufd_ctx in vfio_device
From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
Date: Fri, 17 Mar 2023 01:05:32 +0000
Accept-language: en-US
Cc: "linux-s390@xxxxxxxxxxxxxxx" <linux-s390@xxxxxxxxxxxxxxx>, "Liu, Yi L" <yi.l.liu@xxxxxxxxx>, "yi.y.sun@xxxxxxxxxxxxxxx" <yi.y.sun@xxxxxxxxxxxxxxx>, "mjrosato@xxxxxxxxxxxxx" <mjrosato@xxxxxxxxxxxxx>, "kvm@xxxxxxxxxxxxxxx" <kvm@xxxxxxxxxxxxxxx>, "intel-gvt-dev@xxxxxxxxxxxxxxxxxxxxx" <intel-gvt-dev@xxxxxxxxxxxxxxxxxxxxx>, "joro@xxxxxxxxxx" <joro@xxxxxxxxxx>, "cohuck@xxxxxxxxxx" <cohuck@xxxxxxxxxx>, "Hao, Xudong" <xudong.hao@xxxxxxxxx>, "peterx@xxxxxxxxxx" <peterx@xxxxxxxxxx>, "Zhao, Yan Y" <yan.y.zhao@xxxxxxxxx>, "eric.auger@xxxxxxxxxx" <eric.auger@xxxxxxxxxx>, "Xu, Terrence" <terrence.xu@xxxxxxxxx>, "nicolinc@xxxxxxxxxx" <nicolinc@xxxxxxxxxx>, "shameerali.kolothum.thodi@xxxxxxxxxx" <shameerali.kolothum.thodi@xxxxxxxxxx>, "suravee.suthikulpanit@xxxxxxx" <suravee.suthikulpanit@xxxxxxx>, "intel-gfx@xxxxxxxxxxxxxxxxxxxxx" <intel-gfx@xxxxxxxxxxxxxxxxxxxxx>, "chao.p.peng@xxxxxxxxxxxxxxx" <chao.p.peng@xxxxxxxxxxxxxxx>, "lulu@xxxxxxxxxx" <lulu@xxxxxxxxxx>, "robin.murphy@xxxxxxx" <robin.murphy@xxxxxxx>, "jasowang@xxxxxxxxxx" <jasowang@xxxxxxxxxx>
In-reply-to: <20230316121526.5644-3-yi.l.liu@intel.com>
References: <20230316121526.5644-1-yi.l.liu@intel.com> <20230316121526.5644-3-yi.l.liu@intel.com>
Thread-index: AQHZWAEKzo1DlMb/4UW+H68yGKTSWa7+KQVg
Thread-topic: [PATCH v2 2/5] vfio-iommufd: No need to record iommufd_ctx in vfio_device

> From: Yi Liu
> Sent: Thursday, March 16, 2023 8:15 PM
> 
> iommufd_ctx is stored in vfio_device for emulated devices per
> bind_iommufd.
> However, as iommufd_access is created in bind, no more need to stored it
> since iommufd_access implicitly stores it.
> 
> Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
> Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx>

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

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References:
- [PATCH v2 0/5] vfio: Make emulated devices prepared for vfio device cdev
  - From: Yi Liu
- [PATCH v2 2/5] vfio-iommufd: No need to record iommufd_ctx in vfio_device
  - From: Yi Liu

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