linux-kernel - Re: [PATCH v1 03/16] iommu: Add iommu_copy_struct_to

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Message-ID: <480536af-6830-43ce-a327-adbd13dc3f1d@oracle.com>
Date: Fri, 11 Apr 2025 18:05:30 +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: robin.murphy@....com, joro@...tes.org, thierry.reding@...il.com,
        vdumpa@...dia.com, jonathanh@...dia.com, shuah@...nel.org,
        praan@...gle.com, nathan@...nel.org, peterz@...radead.org,
        yi.l.liu@...el.com, jsnitsel@...hat.com, mshavit@...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
Subject: Re: [PATCH v1 03/16] iommu: Add iommu_copy_struct_to_user helper



On 11-04-2025 12:07, Nicolin Chen wrote:
> + * iommu_copy_struct_to_user - Report iommu driver specific user space data
> + * @user_data: Pointer to a struct iommu_user_data for user space data location
> + * @ksrc: Pointer to an iommu driver specific user data that is defined in
> + *        include/uapi/linux/iommufd.h
> + * @data_type: The data type of the @ksrc. Must match with @user_data->type
> + * @min_last: The last memember of the data structure @ksrc points in the

old typo  memember -> member

> + *            initial version.
> + * Return 0 for success, otherwise -error.


Thanks,
Alok