linux-kernel - RE: [PATCH 1/2] iommu/vt-d: Remove virtual command interface

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Message-ID: <BL1PR11MB5271A71D6AA85028D2C3778C8CDD9@BL1PR11MB5271.namprd11.prod.outlook.com>
Date:   Mon, 13 Feb 2023 02:54:01 +0000
From:   "Tian, Kevin" <kevin.tian@...el.com>
To:     Jacob Pan <jacob.jun.pan@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>,
        "iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Joerg Roedel <joro@...tes.org>,
        Jean-Philippe Brucker <jean-philippe@...aro.com>,
        "Robin Murphy" <robin.murphy@....com>
CC:     David Woodhouse <dwmw2@...radead.org>,
        "Raj, Ashok" <ashok.raj@...el.com>,
        "Liu, Yi L" <yi.l.liu@...el.com>, Jason Gunthorpe <jgg@...dia.com>
Subject: RE: [PATCH 1/2] iommu/vt-d: Remove virtual command interface

> From: Jacob Pan <jacob.jun.pan@...ux.intel.com>
> Sent: Saturday, February 11, 2023 7:02 AM
> 
> Virtual command interface was introduced to allow using host PASIDs
> inside VMs. It is unused and abandoned due to architectural change.
> 
> With this patch, we can safely remove this feature and the related helpers.
> 
> Signed-off-by: Jacob Pan <jacob.jun.pan@...ux.intel.com>

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