Re: [Qemu-devel] [PATCH 4/4] savevm: Reset last block info at beginning of each save

[Anthony Liguori <anthony@codemonkey.ws>]

On 08/19/2010 08:18 AM, Luiz Capitulino wrote:
> From: Alex Williamson<alex.williamson@redhat.com>
>
> If we save more than once we need to reset the last block info or else
> only the first save has the actual block info and each subsequent save
> will only use continue flags, making them unloadable independently.
>
> Found-by: Miguel Di Ciurcio Filho<miguel.filho@gmail.com>
> Signed-off-by: Alex Williamson<alex.williamson@redhat.com>
> Acked-by: Glauber Costa<glommer@redhat.com>
> Signed-off-by: Luiz Capitulino<lcapitulino@redhat.com>
>    

Applied.  Thanks.

Regards,

Anthony Liguori
> ---
>   arch_init.c |    7 +++++--
>   1 files changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/arch_init.c b/arch_init.c
> index 47bb4b2..e0bd18c 100644
> --- a/arch_init.c
> +++ b/arch_init.c
> @@ -104,10 +104,11 @@ static int is_dup_page(uint8_t *page, uint8_t ch)
>       return 1;
>   }
>
> +static RAMBlock *last_block;
> +static ram_addr_t last_offset;
> +
>   static int ram_save_block(QEMUFile *f)
>   {
> -    static RAMBlock *last_block = NULL;
> -    static ram_addr_t last_offset = 0;
>       RAMBlock *block = last_block;
>       ram_addr_t offset = last_offset;
>       ram_addr_t current_addr;
> @@ -231,6 +232,8 @@ int ram_save_live(Monitor *mon, QEMUFile *f, int stage, void *opaque)
>       if (stage == 1) {
>           RAMBlock *block;
>           bytes_transferred = 0;
> +        last_block = NULL;
> +        last_offset = 0;
>
>           /* Make sure all dirty bits are set */
>           QLIST_FOREACH(block,&ram_list.blocks, next) {
>