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

From: David Hildenbrand (Red Hat)
Date: Mon Nov 24 2025 - 09:18:21 EST


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

Acked-by: David Hildenbrand (Red Hat) <david@xxxxxxxxxx>

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Cheers

David