linux-kernel - RE: [PATCH v8 4/7] iommu/vt-d: Remove pasid

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Message-ID: <BN9PR11MB527656125EF570DDE2AE1D9A8C5AA@BN9PR11MB5276.namprd11.prod.outlook.com>
Date:   Wed, 14 Jun 2023 08:18:01 +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>,
        Jason Gunthorpe <jgg@...dia.com>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Joerg Roedel <joro@...tes.org>,
        Robin Murphy <robin.murphy@....com>,
        Jean-Philippe Brucker <jean-philippe@...aro.com>,
        "dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
        "vkoul@...nel.org" <vkoul@...nel.org>
CC:     Will Deacon <will@...nel.org>,
        David Woodhouse <dwmw2@...radead.org>,
        "Raj, Ashok" <ashok.raj@...el.com>,
        "Liu, Yi L" <yi.l.liu@...el.com>,
        "Yu, Fenghua" <fenghua.yu@...el.com>,
        "Jiang, Dave" <dave.jiang@...el.com>,
        "Luck, Tony" <tony.luck@...el.com>,
        "Zanussi, Tom" <tom.zanussi@...el.com>,
        "Zhang, Rex" <rex.zhang@...el.com>,
        "Shen, Xiaochen" <xiaochen.shen@...el.com>,
        "Ranganathan, Narayan" <narayan.ranganathan@...el.com>
Subject: RE: [PATCH v8 4/7] iommu/vt-d: Remove pasid_mutex

> From: Jacob Pan <jacob.jun.pan@...ux.intel.com>
> Sent: Saturday, June 3, 2023 2:22 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>