linux-kernel - Re: [PATCH v5 10/13] iommufd/selftest: Add IOMMU_VIOMMU_TYPE

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Message-ID: <20241029154129.GI209124@nvidia.com>
Date: Tue, 29 Oct 2024 12:41:29 -0300
From: Jason Gunthorpe <jgg@...dia.com>
To: Nicolin Chen <nicolinc@...dia.com>
Cc: kevin.tian@...el.com, will@...nel.org, joro@...tes.org,
	suravee.suthikulpanit@....com, robin.murphy@....com,
	dwmw2@...radead.org, baolu.lu@...ux.intel.com, shuah@...nel.org,
	linux-kernel@...r.kernel.org, iommu@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kselftest@...r.kernel.org, eric.auger@...hat.com,
	jean-philippe@...aro.org, mdf@...nel.org, mshavit@...gle.com,
	shameerali.kolothum.thodi@...wei.com, smostafa@...gle.com,
	yi.l.liu@...el.com, aik@....com, zhangfei.gao@...aro.org,
	patches@...ts.linux.dev
Subject: Re: [PATCH v5 10/13] iommufd/selftest: Add IOMMU_VIOMMU_TYPE_SELFTEST

On Fri, Oct 25, 2024 at 04:49:50PM -0700, Nicolin Chen wrote:
> Implement the viommu alloc/free functions to increase/reduce refcount of
> its dependent mock iommu device. User space can verify this loop via the
> IOMMU_VIOMMU_TYPE_SELFTEST.
> 
> Signed-off-by: Nicolin Chen <nicolinc@...dia.com>
> ---
>  drivers/iommu/iommufd/iommufd_test.h |  2 +
>  drivers/iommu/iommufd/selftest.c     | 64 ++++++++++++++++++++++++++++
>  2 files changed, 66 insertions(+)

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason