On Tue, 2018-02-20 at 16:25 +1100, Michael Neuling wrote: > > > > @@ -1055,6 +1082,8 @@ void restore_tm_state(struct pt_regs *regs) > > > > msr_diff = current->thread.ckpt_regs.msr & ~regs->msr; > > > > msr_diff &= MSR_FP | MSR_VEC | MSR_VSX; > > > > > > > > + tm_recheckpoint(¤t->thread); > > > > + > > > > > > So why do we do tm_recheckpoint at all? Shouldn't most of the tm_blah > > > code go > > > away in process.c after all this? > > > > > > > I'm not sure I follow, we need to recheckpoint because we're going back > > to userspace? Or would you rather calling the tm.S code directly from > > the exception return path? > > Yeah, I was thinking the point of this series was. We do tm_reclaim right on > entry and tm_recheckpoint right on exit. >
Yeah that's the ultimate goal, considering I haven't been attacked or offered more drugs I feel like what I've done isn't crazy. Your feedback is great, thanks. > The bits in between (ie. the tm_blah() calls process.c) would mostly go away. > > > > Yes, I hope we'll be able to have a fairly big cleanup commit of tm_ > > code in process.c at the end of this series. > > Yep, agreed. > > Mikey