From: Baolu Lu <baolu.lu@linux.intel.com>
To: Xu Yilun <yilun.xu@linux.intel.com>,
jgg@nvidia.com, jgg@ziepe.ca, kevin.tian@intel.com,
will@kernel.org, aneesh.kumar@kernel.org
Cc: iommu@lists.linux.dev, linux-kernel@vger.kernel.org,
joro@8bytes.org, robin.murphy@arm.com, shuah@kernel.org,
nicolinc@nvidia.com, aik@amd.com, dan.j.williams@intel.com,
yilun.xu@intel.com
Subject: Re: [PATCH v2 2/4] iommufd/viommu: Fix the uninitialized iommufd_vdevice::ictx
Date: Tue, 24 Jun 2025 11:24:02 +0800 [thread overview]
Message-ID: <ff1a3fc1-3671-4cff-917f-5ea44bd2451e@linux.intel.com> (raw)
In-Reply-To: <20250623094946.1714996-3-yilun.xu@linux.intel.com>
On 6/23/25 17:49, Xu Yilun wrote:
> Fix the uninitialized iommufd_vdevice::ictx. No code was using this
> field before, but later vdevice will use it to sync up with idevice on
> destroy paths.
>
> Fixes: 0ce5c2477af2 ("iommufd/viommu: Add IOMMUFD_OBJ_VDEVICE and IOMMU_VDEVICE_ALLOC ioctl")
> Cc:<stable@vger.kernel.org>
> Signed-off-by: Xu Yilun<yilun.xu@linux.intel.com>
> ---
> drivers/iommu/iommufd/viommu.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/iommu/iommufd/viommu.c b/drivers/iommu/iommufd/viommu.c
> index 01df2b985f02..4577b88c8560 100644
> --- a/drivers/iommu/iommufd/viommu.c
> +++ b/drivers/iommu/iommufd/viommu.c
> @@ -130,6 +130,7 @@ int iommufd_vdevice_alloc_ioctl(struct iommufd_ucmd *ucmd)
> goto out_put_idev;
> }
>
> + vdev->ictx = ucmd->ictx;
iommufd_vdevice::ictx has been removed by this commit:
6e235a772199 ("iommufd: Drop unused ictx in struct iommufd_vdevice")
in linux-next.
Thanks,
baolu
next prev parent reply other threads:[~2025-06-24 3:25 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-23 9:49 [PATCH v2 0/4] iommufd: Destroy vdevice on device unbind Xu Yilun
2025-06-23 9:49 ` [PATCH v2 1/4] iommufd: Add iommufd_object_tombstone_user() helper Xu Yilun
2025-06-24 13:35 ` Jason Gunthorpe
2025-06-25 7:24 ` Xu Yilun
2025-06-25 5:51 ` Aneesh Kumar K.V
2025-06-25 8:40 ` Xu Yilun
2025-06-23 9:49 ` [PATCH v2 2/4] iommufd/viommu: Fix the uninitialized iommufd_vdevice::ictx Xu Yilun
2025-06-24 3:24 ` Baolu Lu [this message]
2025-06-24 6:35 ` Xu Yilun
2025-06-23 9:49 ` [PATCH v2 3/4] iommufd: Destroy vdevice on idevice destroy Xu Yilun
2025-06-24 3:32 ` Baolu Lu
2025-06-24 8:11 ` Xu Yilun
2025-06-24 8:28 ` Tian, Kevin
2025-06-24 8:12 ` Tian, Kevin
2025-06-25 1:55 ` Baolu Lu
2025-06-24 6:47 ` Xu Yilun
2025-06-24 8:22 ` Tian, Kevin
2025-06-26 4:59 ` Xu Yilun
2025-06-24 14:53 ` Jason Gunthorpe
2025-06-24 23:57 ` Tian, Kevin
2025-06-25 1:36 ` Jason Gunthorpe
2025-06-25 2:11 ` Tian, Kevin
2025-06-25 12:33 ` Jason Gunthorpe
2025-06-25 10:06 ` Xu Yilun
2025-06-25 12:38 ` Jason Gunthorpe
2025-06-26 3:31 ` Xu Yilun
2025-06-26 14:36 ` Jason Gunthorpe
2025-06-25 6:40 ` Aneesh Kumar K.V
2025-06-25 9:38 ` Xu Yilun
2025-06-23 9:49 ` [PATCH v2 4/4] iommufd/selftest: Add coverage for vdevice tombstone Xu Yilun
2025-06-24 13:41 ` Jason Gunthorpe
2025-06-25 8:29 ` Xu Yilun
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