On Fri, 2007-09-14 at 13:53 -0700, Jeremy Fitzhardinge wrote: > 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. > > > > I guess it would be pretty rude/unlikely for these opcodes to get reused > in other implementations... But couldn't you make the page trap > instead, rather than relying on an instruction fault?
That's a pain for inline hypercalls tho. I was planning on moving lguest to this model (which is interesting, because AFAICT this insn will cause a #UD or #GP depending on whether VT is supported on this box so I have to look for both). Cheers, Rusty. ------------------------------------------------------------------------- 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
