Re: [PATCH v3 11/13] x86/xen: use lazy_mmu_state when context-switching

David Hildenbrand
2025-10-23T20:06:24Z

On 15.10.25 10:27, Kevin Brodsky wrote:
> We currently set a TIF flag when scheduling out a task that is in
> lazy MMU mode, in order to restore it when the task is scheduled
> again.
>
> The generic lazy_mmu layer now tracks whether a task is in lazy MMU
> mode in task_struct::lazy_mmu_state. We can therefore check that
> state when switching to the new task, instead of using a separate
> TIF flag.
>
> Signed-off-by: Kevin Brodsky <kevin.brodsky@arm.com>
> ---

Looks ok to me, but I hope we get some confirmation from x86 / xen folks.

--
Cheers

David / dhildenb