On Thu, Mar 31, 2011 at 12:06:41PM +0200, Gleb Natapov wrote:
> Currently we sync registers back and forth before/after exiting
> to userspace for IO, but during IO device model shouldn't need to
> read/write the registers, so we can as well skip those sync points. The
> only exaception is broken v
Currently we sync registers back and forth before/after exiting
to userspace for IO, but during IO device model shouldn't need to
read/write the registers, so we can as well skip those sync points. The
only exaception is broken vmware backdor interface. The new code sync
registers content during IO