[PATCH v6 24/25] iommu/tegra241-cmdqv: Add user-space use support
Jason Gunthorpe
jgg at nvidia.com
Mon Jun 16 09:03:59 PDT 2025
On Sat, Jun 14, 2025 at 12:14:49AM -0700, Nicolin Chen wrote:
> @@ -671,7 +752,13 @@ static void tegra241_cmdqv_remove_vintf(struct tegra241_cmdqv *cmdqv, u16 idx)
>
> dev_dbg(cmdqv->dev, "VINTF%u: deallocated\n", vintf->idx);
> tegra241_cmdqv_deinit_vintf(cmdqv, idx);
> - kfree(vintf);
> + if (!vintf->hyp_own) {
> + mutex_destroy(&vintf->lvcmdq_mutex);
> + ida_destroy(&vintf->sids);
> + }
> + /* Guest-owned VINTF is free-ed with viommu by iommufd core */
> + if (vintf->hyp_own)
> + kfree(vintf);
else ?
Otherwise looks OK to me
Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>
Jason
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