Re: [PATCH v3] rust: iommu: add device lifetime to IoPageTable

[Danilo Krummrich]

On 7/4/26 2:28 AM, Deborah Brouwer wrote:
> Currently, using a raw IoPageTable is unsafe because the returned
> IoPageTable is not tied to the device driver binding lifetime.
> 
> Since device drivers now receive a lifetime parameter <'bound>
> representing the interval during which a device driver is bound to its bus
> device, add a lifetime parameter to IoPageTable. This ensures that
> the returned IoPageTable cannot outlive the bus device binding.
> 
> Also remove the option to create a page table as a device resource since
> currently Devres is not compatible with resources that have a lifetime
> parameter. This option can be restored once the lifetime-aware
> wrapper for devres is available and if a use-case appears for it.
> 
> Suggested-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
> Signed-off-by: Deborah Brouwer <deborah.brouwer@xxxxxxxxxxxxx>

Reviewed-by: Danilo Krummrich <dakr@xxxxxxxxxx>