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Date:   Mon, 23 Oct 2023 11:43:10 +0100
From:   Joao Martins <>
To:     Stephen Rothwell <>,
        Jason Gunthorpe <>
Cc:     Jason Gunthorpe <>,
        Linux Kernel Mailing List <>,
        Linux Next Mailing List <>
Subject: Re: linux-next: build warnings after merge of the iommufd tree

On 23/10/2023 06:47, Stephen Rothwell wrote:
> Hi all,
> After merging the iommufd tree, today's linux-next build (htmldocs)
> produced these warnings:
> include/uapi/linux/iommufd.h:433: warning: expecting prototype for enum iommufd_hw_info_capabilities. Prototype was for enum iommufd_hw_capabilities instead
> include/uapi/linux/iommufd.h:497: warning: Function parameter or member '__reserved' not described in 'iommu_hwpt_set_dirty_tracking'
> include/uapi/linux/iommufd.h:512: warning: expecting prototype for enum iommufd_get_dirty_bitmap_flags. Prototype was for enum iommufd_hwpt_get_dirty_bitmap_flags instead
> include/uapi/linux/iommufd.h:542: warning: Function parameter or member '__reserved' not described in 'iommu_hwpt_get_dirty_bitmap'

I've fixed these warnings in the offending patches below; for the next version.

> Introduced by commits
>   f87900f25050 ("iommufd: Add a flag to skip clearing of IOPTE dirty")
>   d2b3a545cdcc ("iommufd: Add capabilities to IOMMU_GET_HW_INFO")
>   1337d793ea25 ("iommufd: Add IOMMU_HWPT_GET_DIRTY_BITMAP")
>   ccccda6d18bd ("iommufd: Add IOMMU_HWPT_SET_DIRTY_TRACKING")

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