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From: Jason Gunthorpe <jgg@nvidia.com>
To: 季杰 <jijie.ji@linux.alibaba.com>
Cc: "Tian, Kevin" <kevin.tian@intel.com>,
	Baolu Lu <baolu.lu@linux.intel.com>,
	"dwmw2@infradead.org" <dwmw2@infradead.org>,
	"joro@8bytes.org" <joro@8bytes.org>,
	"will@kernel.org" <will@kernel.org>,
	"robin.murphy@arm.com" <robin.murphy@arm.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	"iommu@lists.linux.dev" <iommu@lists.linux.dev>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"xianting.tian@linux.alibaba.com"
	<xianting.tian@linux.alibaba.com>,
	"kaijieguo@linux.alibaba.com" <kaijieguo@linux.alibaba.com>,
	"daishengdong@yeah.net" <daishengdong@yeah.net>,
	"Zhao, Yan Y" <yan.y.zhao@intel.com>
Subject: Re: [PATCH] iommu/vt-d: Atomic breakdown of IOPT into finer granularity
Date: Tue, 15 Aug 2023 08:31:07 -0300	[thread overview]
Message-ID: <ZNth+6SE3lHu+uce@nvidia.com> (raw)
In-Reply-To: <ae72631d-31a4-eba0-b2f3-de4cf6c7d067@linux.alibaba.com>

On Tue, Aug 15, 2023 at 02:41:24PM +0800, 季杰 wrote:

> We do not incorporate iommufd in our cloud infrastructure, and use classic
> vfio and iommu driver. Cloud vendor like Aliyun may use its own IOPF handler
> software, so we want this patch to be a generic fix in iommu layer, suitable
> for both iommufd and vendor-specific software.

There will not be support for any advanced features in legacy
vfio. All new things will be in iommufd only.

Jason

  parent reply	other threads:[~2023-08-15 11:47 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-14 12:10 [PATCH] iommu/vt-d: Atomic breakdown of IOPT into finer granularity Jie Ji
2023-08-14 12:15 ` Xianting Tian
2023-08-15  2:05 ` Baolu Lu
2023-08-15  3:15   ` Tian, Kevin
     [not found]   ` <BN9PR11MB527619D76C1ACFA5B85E2DEB8C14A@BN9PR11MB5276.namprd11.prod.outlook.com>
2023-08-15  4:00     ` Tian, Kevin
     [not found]       ` <ae72631d-31a4-eba0-b2f3-de4cf6c7d067@linux.alibaba.com>
2023-08-15 11:31         ` Jason Gunthorpe [this message]
2023-08-15 14:34 ` Jason Gunthorpe

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