[PATCH 7.2.y] iommu/arm-smmu-v3: Disable implementations during devm teardown

[Nicolin Chen]

On Mon, Sep 14, 2026 at 10:03:17PM -0400, Sasha Levin wrote:
> > Patch itself looks good to me for v7.2 stable and v6.8 longterm.
> 
> Queued for 6.18, thanks.
> 
> > But v6.12 longterm might need some extra fix, Sasha?
> 
> It does, but a different one. 6.12 has the devm teardown conversion and never
> got 9ff145a25c5c ("iommu/tegra241-cmdqv: Fix CMD_SYNC use-after-free on
> teardown") at all, so what it is missing is that commit rather than this
> ordering fixup. It does not apply to 6.12 as-is either, because the
> tegra241_cmdqv_destroy_vintf_user() hunk has no counterpart there.
> 
> Could one of you send an adapted 6.12.y version with that hunk dropped?

Shameer, would you mind helping backport your patch onto 6.12.y?

Thanks
Nicolin