Re: [Xen-devel] [PATCH V4 5/5] xen: Set the vram dirty when an error occur.

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Thu, 27 Sep 2012, Anthony PERARD wrote:
> If the call to xc_hvm_track_dirty_vram() fails, then we set dirtybit on all 
> the
> video ram. This case happens during migration.
> 
> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>

Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

>  xen-all.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/xen-all.c b/xen-all.c
> index b11542c..e6308be 100644
> --- a/xen-all.c
> +++ b/xen-all.c
> @@ -507,7 +507,8 @@ static void xen_sync_dirty_bitmap(XenIOState *state,
>                                   bitmap);
>      if (rc < 0) {
>          if (rc != -ENODATA) {
> -            fprintf(stderr, "xen: track_dirty_vram failed (0x" TARGET_FMT_plx
> +            memory_region_set_dirty(framebuffer, 0, size);
> +            DPRINTF("xen: track_dirty_vram failed (0x" TARGET_FMT_plx
>                      ", 0x" TARGET_FMT_plx "): %s\n",
>                      start_addr, start_addr + size, strerror(-rc));
>          }
> -- 
> Anthony PERARD
> 

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