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Re: [PATCH v2 27/39] xen/riscv: introduce arch_move_irqs()
- To: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- From: Baptiste Le Duc <baptiste.le-duc@xxxxxxxxxx>
- Date: Tue, 22 Sep 2026 19:00:25 +0200
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- Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, Romain Caritey <Romain.Caritey@xxxxxxxxxxxxx>, Baptiste Le Duc <baptiste.le-duc@xxxxxxxxxx>, Zheng Zhang <zhangzheng@xxxxxxxxxxx>, Alistair Francis <alistair.francis@xxxxxxx>, Connor Davis <connojdavis@xxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger@xxxxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Tue, 22 Sep 2026 17:00:55 +0000
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On Thu, 27 Aug 2026 17:21:11 +0200, Oleksii Kurochko
<oleksii.kurochko@xxxxxxxxx> wrote:
> When migrating a vCPU between pCPUs the hypervisor must also migrate
> the associated virtual interrupt state. arch_move_irqs() is the
> per-arch hook called by generic code to trigger that.
>
> Replace the static inline BUG_ON placeholder in asm/irq.h with a real
> implementation in intc.c dispatching through a new move_irqs vintc_ops
> callback. Wire it up in vAPLIC, which delegates to imsic_migrate_vcpu()
> which itself still a stub to be implemented in follow-up patches.
>
> [...]
Reviewed-by: Baptiste Le Duc <baptiste.le-duc@xxxxxxxxxx>
--
Baptiste Le Duc <baptiste.le-duc@xxxxxxxxxx>
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