On Thu, Jul 11, 2013 at 03:40:38PM +0530, Raghavendra K T wrote: > >>>>Gleb, > >>>>Can you elaborate little more on what you have in mind regarding per > >>>>VM ple_window. (maintaining part of it as a per vm variable is clear > >>>>to > >>>> me), but is it that we have to load that every time of guest entry? > >>>> > >>>Only when it changes, shouldn't be to often no? > >> > >>Ok. Thinking how to do. read the register and writeback if there need > >>to be a change during guest entry? > >> > >Why not do it like in the patch you've linked? When value changes write it > >to VMCS of the current vcpu. > > > > Yes. can be done. So the running vcpu's ple_window gets updated only > after next pl-exit. right? I am not sure what you mean. You cannot change vcpu's ple_window while vcpu is in a guest mode. -- Gleb. -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html