linux-kernel - RE: [PATCH v4 05/11] iommufd: Add domain_alloc_nested op to iommufd_viommu

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Message-ID: <BN9PR11MB5276309246336B450AC4E9058C4F2@BN9PR11MB5276.namprd11.prod.outlook.com>
Date: Fri, 25 Oct 2024 09:00:05 +0000
From: "Tian, Kevin" <kevin.tian@...el.com>
To: Nicolin Chen <nicolinc@...dia.com>, "jgg@...dia.com" <jgg@...dia.com>,
	"will@...nel.org" <will@...nel.org>
CC: "joro@...tes.org" <joro@...tes.org>, "suravee.suthikulpanit@....com"
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	<shuah@...nel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "iommu@...ts.linux.dev"
	<iommu@...ts.linux.dev>, "linux-arm-kernel@...ts.infradead.org"
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	<aik@....com>, "zhangfei.gao@...aro.org" <zhangfei.gao@...aro.org>,
	"patches@...ts.linux.dev" <patches@...ts.linux.dev>
Subject: RE: [PATCH v4 05/11] iommufd: Add domain_alloc_nested op to
 iommufd_viommu_ops

> From: Nicolin Chen <nicolinc@...dia.com>
> Sent: Tuesday, October 22, 2024 8:19 AM
> 
> Allow IOMMU driver to use a vIOMMU object that holds a nesting parent
> hwpt/domain to allocate a nested domain.
> 
> Suggested-by: Jason Gunthorpe <jgg@...dia.com>
> Signed-off-by: Nicolin Chen <nicolinc@...dia.com>

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