Re: [PATCH v3 2/3] virtio_pci_legacy: drop callback sync on reset

From: Karl Mehltretter

Date: Fri Sep 11 2026 - 18:52:34 EST


On Fri, Sep 11, 2026 at 05:20:18PM +0100, Michael S. Tsirkin wrote:
> The virtio core now synchronizes callbacks after reset,
> so the legacy PCI transport no longer needs to do it itself.
>

I ran 200 instrumented virtio-input reset cycles over legacy INTx under
KASAN and lockdep. All 19 callback/reset overlaps completed before reset
returned.

Tested-by: Karl Mehltretter <kmehltretter@xxxxxxxxx>
Acked-by: Karl Mehltretter <kmehltretter@xxxxxxxxx>

Thanks,
Karl