linux-kernel - RE: [PATCH v10 4/7] iommu/vt-d: Remove pasid

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Date:   Thu, 13 Jul 2023 07:46:10 +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:     Jason Gunthorpe <jgg@...dia.com>, Will Deacon <will@...nel.org>,
        "Liu, Yi L" <yi.l.liu@...el.com>,
        "Yu, Fenghua" <fenghua.yu@...el.com>,
        "Luck, Tony" <tony.luck@...el.com>
Subject: RE: [PATCH v10 4/7] iommu/vt-d: Remove pasid_mutex

> From: Jacob Pan <jacob.jun.pan@...ux.intel.com>
> Sent: Thursday, July 13, 2023 12:34 AM
> 
> From: Lu Baolu <baolu.lu@...ux.intel.com>
> 
> The pasid_mutex was used to protect the paths of set/remove_dev_pasid().
> It's duplicate with iommu_sva_lock. Remove it to avoid duplicate code.
> 
> Reviewed-by: Jacob Pan <jacob.jun.pan@...ux.intel.com>
> Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>

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