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 vmware backdor interface. The new code sync > registers content during IO only if registers are read from/written to > by userspace in the middle of the IO operation and this almost never > happens in practise. > > Signed-off-by: Gleb Natapov <gleb@xxxxxxxxxx> > --- > v1->v2 > - rebased onto see emulation patchset. Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html