[email protected] wrote:
> From: KONRAD Frederic <[email protected]>
>
> This fixes a bug where qemu_icount and qemu_icount_bias are not migrated.
> It adds a subsection "timer/icount" to vmstate_timers so icount is migrated 
> only
> when needed.
>
> Signed-off-by: KONRAD Frederic <[email protected]>
> Reviewed-by: Amit Shah <[email protected]>
> ---
>  cpus.c | 28 ++++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
>
> diff --git a/cpus.c b/cpus.c
> index 127de1c..8d2ddf0 100644
> --- a/cpus.c
> +++ b/cpus.c
> @@ -429,6 +429,26 @@ void qemu_clock_warp(QEMUClockType type)
>      }
>  }
>  
> +static bool icount_state_needed(void *opaque)
> +{
> +    return use_icount;
> +}
> +
> +/*
> + * This is a subsection for icount migration.
> + */
> +static const VMStateDescription icount_vmstate_timers = {
> +    .name = "timer/icount",
> +    .version_id = 1,
> +    .minimum_version_id = 1,
> +    .minimum_version_id_old = 1,

Drop this line, not needed anymore.

> +    .fields      = (VMStateField[]) {

Remove spaces

> +        VMSTATE_INT64(qemu_icount_bias, TimersState),
> +        VMSTATE_INT64(qemu_icount, TimersState),
> +        VMSTATE_END_OF_LIST()
> +    }
> +};
> +
>  static const VMStateDescription vmstate_timers = {
>      .name = "timer",
>      .version_id = 2,
> @@ -438,6 +458,14 @@ static const VMStateDescription vmstate_timers = {
>          VMSTATE_INT64(dummy, TimersState),
>          VMSTATE_INT64_V(cpu_clock_offset, TimersState, 2),
>          VMSTATE_END_OF_LIST()
> +    },
> +    .subsections = (VMStateSubsection[]) {
> +        {
> +            .vmsd = &icount_vmstate_timers,
> +            .needed = icount_state_needed,
> +        }, {
> +            /* empty */
> +        }
>      }
>  };

Rest is ok.

Thanks, Juan.

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