Anthony Liguori wrote: > This patch refactors the current hypercall infrastructure to better support > live > migration and SMP. It eliminates the hypercall page by trapping the UD > exception that would occur if you used the wrong hypercall instruction for the > underlying architecture and replacing it with the right one lazily. > > It also introduces the infrastructure to probe for hypercall available via > CPUID leaves 0x40000000. CPUID leaf 0x40000001 should be filled out by > userspace. > > A fall-out of this patch is that the unhandled hypercalls no longer trap to > userspace. There is very little reason though to use a hypercall to > communicate > with userspace as PIO or MMIO can be used. There is no code in tree that uses > userspace hypercalls. > >
Surprisingly, this patch kills Windows XP (ACPI HAL). I'll try to find out why. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
