Re: [Qemu-devel] [PATCH 09/26] ehci: Use uframe precision for interrupt threshold checking

[Gerd Hoffmann]

On 12/14/12 14:35, Hans de Goede wrote:
> Note that a shadow variable is used instead of changing frindex to
> uframe accuracy because we must send a frindex which is a multiple of 8
> during migration for migration compatibility, and rounding it down to
> a multiple of 8 pre-migration, can lead to frindex going backwards from
> the guest pov.

Jumping forward instead?

cheers,
  Gerd