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From: Laurent Vivier <lvivier@redhat.com>
Message-ID: <15fa6b0a-e0de-250b-1df2-e96c98c845f8@redhat.com>
Date: Mon, 12 Jun 2017 12:31:36 +0200
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Subject: Re: [Qemu-devel] [PATCH 02/11] migration: Move
 self_announce_delay() to misc.h
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To: Juan Quintela <quintela@redhat.com>, qemu-devel@nongnu.org
Cc: dgilbert@redhat.com, peterx@redhat.com

On 01/06/2017 23:29, Juan Quintela wrote:
> Signed-off-by: Juan Quintela <quintela@redhat.com>
> ---
>  hw/net/virtio-net.c         |  1 +
>  include/migration/misc.h    | 10 ++++++++++
>  include/migration/vmstate.h | 10 ----------
>  migration/savevm.c          |  1 +
>  4 files changed, 12 insertions(+), 10 deletions(-)
> 
> diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
> index 9a3d769..91eddaf 100644
> --- a/hw/net/virtio-net.c
> +++ b/hw/net/virtio-net.c
> @@ -25,6 +25,7 @@
>  #include "qapi/qmp/qjson.h"
>  #include "qapi-event.h"
>  #include "hw/virtio/virtio-access.h"
> +#include "migration/misc.h"
>  
>  #define VIRTIO_NET_VM_VERSION    11
>  
> diff --git a/include/migration/misc.h b/include/migration/misc.h
> index d7892b7..60486d4 100644
> --- a/include/migration/misc.h
> +++ b/include/migration/misc.h
> @@ -26,4 +26,14 @@ void blk_mig_init(void);
>  static inline void blk_mig_init(void) {}
>  #endif
>  
> +#define SELF_ANNOUNCE_ROUNDS 5
> +
> +static inline
> +int64_t self_announce_delay(int round)
> +{
> +    assert(round < SELF_ANNOUNCE_ROUNDS && round > 0);
> +    /* delay 50ms, 150ms, 250ms, ... */
> +    return 50 + (SELF_ANNOUNCE_ROUNDS - round - 1) * 100;
> +}
> +

It seems it is not used in a migration purpose by virtio-net, so it
should be moved out of include/migration, perhaps in include/qemu/timer.h ?

Thanks,
Laurent