[PATCH v5 12/12] x86/xen: use lazy_mmu_state when context-switching

David Hildenbrand (Red Hat) david at kernel.org
Tue Nov 25 01:18:02 AEDT 2025


On 11/24/25 14:22, 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 at arm.com>
> ---

Nothing jumped at me, hoping for another pair of eyes from the XEN folks

Acked-by: David Hildenbrand (Red Hat) <david at kernel.org>

-- 
Cheers

David


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