From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=32837 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PuyY1-0000RS-UV for qemu-devel@nongnu.org; Wed, 02 Mar 2011 21:45:50 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PuyY0-0002fQ-OY for qemu-devel@nongnu.org; Wed, 02 Mar 2011 21:45:49 -0500 Received: from [222.73.24.84] (port=64127 helo=song.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PuyY0-0002et-ET for qemu-devel@nongnu.org; Wed, 02 Mar 2011 21:45:48 -0500 Message-ID: <4D6F008E.7050308@cn.fujitsu.com> Date: Thu, 03 Mar 2011 10:44:30 +0800 From: Wen Congyang MIME-Version: 1.0 References: <4D6DBDA4.3050909@cn.fujitsu.com> In-Reply-To: <4D6DBDA4.3050909@cn.fujitsu.com> Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-8859-1 Subject: [Qemu-devel] [PATCH 3/3] correct VNC_DIRTY_WORDS on 64 bit machine List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel , Stefan Weil , Anthony Liguori , Corentin Chary VNC_DIRTY_WORDS is wrong on 64 bit long machine. Signed-off-by: Wen Congyang --- 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)) +#define VNC_DIRTY_WORDS (divideup(VNC_MAX_WIDTH, (16 * BITS_PER_LONG))) #define VNC_STAT_RECT 64 #define VNC_STAT_COLS (VNC_MAX_WIDTH / VNC_STAT_RECT) -- 1.7.1