On Thu, Apr 08, 2010 at 06:19:35PM +0300, Avi Kivity wrote: > Currently we set eflags.vm unconditionally when entering real mode emulation > through virtual-8086 mode, and clear it unconditionally when we enter > protected > mode. The means that the following sequence > > KVM_SET_REGS (rflags.vm=1) > KVM_SET_SREGS (cr0.pe=1) > > Ends up with rflags.vm clear due to KVM_SET_SREGS triggering enter_pmode(). > > Fix by shadowing rflags.vm (and rflags.iopl) correctly while in real mode: > reads and writes to those bits access a shadow register instead of the actual > register. > > Signed-off-by: Avi Kivity <a...@redhat.com>
Tested and applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
