Anthony Liguori wrote: > Nakajima, Jun wrote: <snip>
> > For KVM, it should be okay as well. But we can replace two CR4 accesses > > with just one hypercall. > > > > I was thinking the same thing :-) > > I was actually thinking about adding a hypercall to set/clear a bit in a > control register. The thought here is that it would be useful not just > for the global bit but also for CR0.TS although we would need another > paravirt_op hook for stts. Given the optimizations for CPU virtualization in the current H/W, I'm not sure if such hooks are useful. Do you have any performance data that justify such hooks? > > Regards, > > Anthony Liguori > Jun --- Intel Open Source Technology Center ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
