linux-kernel - Re: [PATCH] iommu/tegra241-cmdqv: import IOMMUFD module namespace

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Message-ID: <20250714213426.GJ1870174@ziepe.ca>
Date: Mon, 14 Jul 2025 18:34:26 -0300
From: Jason Gunthorpe <jgg@...pe.ca>
To: Arnd Bergmann <arnd@...nel.org>
Cc: Thierry Reding <thierry.reding@...il.com>,
	Will Deacon <will@...nel.org>, Joerg Roedel <joro@...tes.org>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Pranjal Shrivastava <praan@...gle.com>,
	Nicolin Chen <nicolinc@...dia.com>, Arnd Bergmann <arnd@...db.de>,
	Krishna Reddy <vdumpa@...dia.com>,
	Robin Murphy <robin.murphy@....com>,
	Kevin Tian <kevin.tian@...el.com>,
	"Luis Claudio R. Goncalves" <lgoncalv@...hat.com>,
	Nate Watterson <nwatterson@...dia.com>, linux-tegra@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iommu/tegra241-cmdqv: import IOMMUFD module namespace

On Mon, Jul 14, 2025 at 10:57:38PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The tegra variant of smmu-v3 now uses the iommufd mmap interface but
> is missing the corresponding import:
> 
> ERROR: modpost: module arm_smmu_v3 uses symbol _iommufd_object_depend from namespace IOMMUFD, but does not import it.
> ERROR: modpost: module arm_smmu_v3 uses symbol iommufd_viommu_report_event from namespace IOMMUFD, but does not import it.
> ERROR: modpost: module arm_smmu_v3 uses symbol _iommufd_destroy_mmap from namespace IOMMUFD, but does not import it.
> ERROR: modpost: module arm_smmu_v3 uses symbol _iommufd_object_undepend from namespace IOMMUFD, but does not import it.
> ERROR: modpost: module arm_smmu_v3 uses symbol _iommufd_alloc_mmap from namespace IOMMUFD, but does not import it.
> 
> Fixes: b135de24cfc0 ("iommu/tegra241-cmdqv: Add user-space use support")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c | 2 ++
>  1 file changed, 2 insertions(+)

Applied thanks

Jason