linux-kernel - Re: [PATCH v2 03/22] iommufd/viommu: Allow driver-specific user data for a vIOMMU object

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Message-ID: <9be4ac89-6177-4222-8721-0b882041e905@oracle.com>
Date: Wed, 30 Apr 2025 20:28:17 +0530
From: ALOK TIWARI <alok.a.tiwari@...cle.com>
To: Nicolin Chen <nicolinc@...dia.com>, jgg@...dia.com, kevin.tian@...el.com,
        corbet@....net, will@...nel.org
Cc: bagasdotme@...il.com, robin.murphy@....com, joro@...tes.org,
        thierry.reding@...il.com, vdumpa@...dia.com, jonathanh@...dia.com,
        shuah@...nel.org, jsnitsel@...hat.com, nathan@...nel.org,
        peterz@...radead.org, yi.l.liu@...el.com, mshavit@...gle.com,
        praan@...gle.com, zhangzekun11@...wei.com, iommu@...ts.linux.dev,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-tegra@...r.kernel.org,
        linux-kselftest@...r.kernel.org, patches@...ts.linux.dev,
        mochs@...dia.com, vasant.hegde@....com
Subject: Re: [PATCH v2 03/22] iommufd/viommu: Allow driver-specific user data
 for a vIOMMU object



On 26-04-2025 11:27, Nicolin Chen wrote:
> The new type of vIOMMU for tegra241-cmdqv driver needs a driver-specific
> user data. So, add data_len/uptr to the iommu_viommu_alloc uAPI and pass
> it in via the viommu_alloc iommu op.
> 
> Reviewed-by: Jason Gunthorpe<jgg@...dia.com>
> Signed-off-by: Nicolin Chen<nicolinc@...dia.com>

LGTM.

Acked-by: Alok Tiwari <alok.a.tiwari@...cle.com>


Thanks,
Alok