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Re: [Qemu-devel] [PATCHv3] qxl: QXL_IO_UPDATE_AREA: pass ram->update_are

From: Gerd Hoffmann
Subject: Re: [Qemu-devel] [PATCHv3] qxl: QXL_IO_UPDATE_AREA: pass ram->update_area directly to update_area
Date: Wed, 13 Jul 2011 08:56:27 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.18) Gecko/20110617 Red Hat/3.1.11-2.el6_1 Thunderbird/3.1.11 
  Hi,


-        QXLRect update = d->ram->update_area;
          qxl_spice_update_area(d, d->ram->update_surface,
-&update, NULL, 0, 0);
+&d->ram->update_area, NULL, 0, 1);


No, -ESECURITY.
With this in place the guest can change the update rect while spice-server is working with it. 

cheers,
  Gerd
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