On 10/07/2009 02:33 PM, Michael S. Tsirkin wrote: > There's no need to save all of config space before each config cycle: > just the 64 byte header is enough for our purposes. This will become > more important as we add pci express support, which has 4K config space. You can even go a step further and save it only if something is actually being changed. Untested though. Not-quite-signed-off-by: Paolo Bonzini Paolo