On 20.01.2022 17:00, Roger Pau Monné wrote: > On Thu, Jan 20, 2022 at 03:05:12PM +0100, Jan Beulich wrote: >> While we don't want to skip calling update_idle_stats(), arrange for it >> to not increment the overall time spent in the state we didn't really >> enter. >> >> Signed-off-by: Jan Beulich <jbeul...@suse.com> >> --- >> RFC: Arguably more of what follows could be moved into the if() - >> thoughts? > > I would move at least the restoring of the TSC, but I would be fine > with moving everything up to local_irq_enable unless I'm missing > something.
Yes, that's what I was considering. > I think you could likely also avoid the call to update_idle_stats so > there's no need to fetch the new tick count. No, this call cannot be bypassed. At least not without further rearrangements elsewhere. Jan
