linux-kernel - Re: [PATCH v10 01/12] iommu: Add max_pasids field in struct iommu

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Message-ID: <31134c57-8f2c-d5a9-20d3-1c089a6ff58f@linux.intel.com>
Date:   Sun, 31 Jul 2022 21:33:22 +0800
From:   Baolu Lu <baolu.lu@...ux.intel.com>
To:     Yi Liu <yi.l.liu@...el.com>, Joerg Roedel <joro@...tes.org>,
        Jason Gunthorpe <jgg@...dia.com>,
        Christoph Hellwig <hch@...radead.org>,
        Kevin Tian <kevin.tian@...el.com>,
        Ashok Raj <ashok.raj@...el.com>, Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Jean-Philippe Brucker <jean-philippe@...aro.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     baolu.lu@...ux.intel.com, Eric Auger <eric.auger@...hat.com>,
        Jacob jun Pan <jacob.jun.pan@...el.com>,
        Zhangfei Gao <zhangfei.gao@...aro.org>,
        Zhu Tony <tony.zhu@...el.com>, iommu@...ts.linux.dev,
        linux-kernel@...r.kernel.org,
        Jean-Philippe Brucker <jean-philippe@...aro.org>
Subject: Re: [PATCH v10 01/12] iommu: Add max_pasids field in struct
 iommu_device

Hi Yi,

Thanks for reviewing my series.

On 2022/7/31 19:54, Yi Liu wrote:
> On 2022/7/5 13:06, Lu Baolu wrote:
>> Use this field to keep the number of supported PASIDs that an IOMMU
>> hardware is able to support. This is a generic attribute of an IOMMU
> 
> a nit. it should be the max pasid value an IOMMU hardware can support
> instead of number of PASIDs. right?

More accurately, it's maximum number of PASIDs supported by IOMMU
hardware".

Best regards,
baolu