linux-kernel - Re: [PATCH v4 1/7] iommufd/viommu: Roll back to use iommufd_object

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Message-ID: <20250711174226.GF1951027@nvidia.com>
Date: Fri, 11 Jul 2025 14:42:26 -0300
From: Jason Gunthorpe <jgg@...dia.com>
To: Xu Yilun <yilun.xu@...ux.intel.com>
Cc: kevin.tian@...el.com, will@...nel.org, aneesh.kumar@...nel.org,
	iommu@...ts.linux.dev, linux-kernel@...r.kernel.org,
	joro@...tes.org, robin.murphy@....com, shuah@...nel.org,
	nicolinc@...dia.com, aik@....com, dan.j.williams@...el.com,
	baolu.lu@...ux.intel.com, yilun.xu@...el.com
Subject: Re: [PATCH v4 1/7] iommufd/viommu: Roll back to use
 iommufd_object_alloc() for vdevice

On Wed, Jul 09, 2025 at 12:02:28PM +0800, Xu Yilun wrote:
> To solve the vdevice lifecycle issue, future patches make the vdevice
> allocation protected by lock. That will make
> iommufd_object_alloc_ucmd() not applicable for vdevice. Roll back to
> use iommufd_object_alloc() for preparation.
> 
> Signed-off-by: Xu Yilun <yilun.xu@...ux.intel.com>
> ---
>  drivers/iommu/iommufd/viommu.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)

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

Jason