linux-kernel - RE: [PATCH v9 00/10] Add iommufd nesting (part 2/2)

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Message-ID: <BN9PR11MB52767FFD4DD1A4CDDCA782628C9DA@BN9PR11MB5276.namprd11.prod.outlook.com>
Date: Fri, 29 Dec 2023 03:00:09 +0000
From: "Tian, Kevin" <kevin.tian@...el.com>
To: "Liu, Yi L" <yi.l.liu@...el.com>, "joro@...tes.org" <joro@...tes.org>,
	"alex.williamson@...hat.com" <alex.williamson@...hat.com>, "jgg@...dia.com"
	<jgg@...dia.com>, "robin.murphy@....com" <robin.murphy@....com>,
	"baolu.lu@...ux.intel.com" <baolu.lu@...ux.intel.com>
CC: "cohuck@...hat.com" <cohuck@...hat.com>, "eric.auger@...hat.com"
	<eric.auger@...hat.com>, "nicolinc@...dia.com" <nicolinc@...dia.com>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>, "mjrosato@...ux.ibm.com"
	<mjrosato@...ux.ibm.com>, "chao.p.peng@...ux.intel.com"
	<chao.p.peng@...ux.intel.com>, "yi.y.sun@...ux.intel.com"
	<yi.y.sun@...ux.intel.com>, "peterx@...hat.com" <peterx@...hat.com>,
	"jasowang@...hat.com" <jasowang@...hat.com>,
	"shameerali.kolothum.thodi@...wei.com"
	<shameerali.kolothum.thodi@...wei.com>, "lulu@...hat.com" <lulu@...hat.com>,
	"suravee.suthikulpanit@....com" <suravee.suthikulpanit@....com>,
	"iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>, "Duan,
 Zhenzhong" <zhenzhong.duan@...el.com>, "joao.m.martins@...cle.com"
	<joao.m.martins@...cle.com>, "Zeng, Xin" <xin.zeng@...el.com>, "Zhao, Yan Y"
	<yan.y.zhao@...el.com>, "j.granados@...sung.com" <j.granados@...sung.com>
Subject: RE: [PATCH v9 00/10] Add iommufd nesting (part 2/2)

> From: Liu, Yi L <yi.l.liu@...el.com>
> Sent: Thursday, December 28, 2023 11:06 PM
> 
> This series is based on the first part which was merged [1], this series is to
> add the cache invalidation interface or the userspace to invalidate cache
> after
> modifying the stage-1 page table. This includes both the iommufd changes
> and the
> VT-d driver changes.
> 
> Complete code can be found in [2], QEMU could can be found in [3].
> 
> At last, this is a team work together with Nicolin Chen, Lu Baolu. Thanks
> them for the help. ^_^. Look forward to your feedbacks.
> 
> [1] https://lore.kernel.org/linux-iommu/20231026044216.64964-1-
> yi.l.liu@...el.com/ - merged
> [2] https://github.com/yiliu1765/iommufd/tree/iommufd_nesting
> [3]
> https://github.com/yiliu1765/qemu/tree/zhenzhong/wip/iommufd_nesting_
> rfcv1
> 

this looks good to me now, except a few minor comments to patch7.

let's see whether Jason may have a chance to look in his holiday and if ok
whether he wants to see a new version or just change it while committing.