[Qemu-devel] Re: [PATCH 3/3] correct VNC_DIRTY_WORDS on 64 bit machine

[Corentin Chary]

On Thu, Mar 3, 2011 at 3:44 AM, Wen Congyang <address@hidden> wrote:
> VNC_DIRTY_WORDS is wrong on 64 bit long machine.
>
> Signed-off-by: Wen Congyang <address@hidden>
>
> ---
>  ui/vnc.h |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/ui/vnc.h b/ui/vnc.h
> index 8a1e7b9..239a7a7 100644
> --- a/ui/vnc.h
> +++ b/ui/vnc.h
> @@ -81,7 +81,8 @@ typedef void VncSendHextileTile(VncState *vs,
>
>  #define VNC_MAX_WIDTH 2560
>  #define VNC_MAX_HEIGHT 2048
> -#define VNC_DIRTY_WORDS (VNC_MAX_WIDTH / (16 * BITS_PER_LONG))
> +#define divideup(x, y)  (((x) + ((y) - 1)) / (y))

osdep.h:#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))


-- 
Corentin Chary
http://xf.iksaif.net