On Fri, Dec 04, 2020 at 12:48:55AM +0100, Alexander Graf wrote: > From: Peter Collingbourne <p...@google.com> > > Sleep on WFI until the VTIMER is due but allow ourselves to be woken > up on IPI. > > In this implementation IPI is blocked on the CPU thread at startup and > pselect() is used to atomically unblock the signal and begin sleeping. > The signal is sent unconditionally so there's no need to worry about > races between actually sleeping and the "we think we're sleeping" > state. It may lead to an extra wakeup but that's better than missing > it entirely. >
Acked-by: Roman Bolshakov <r.bolsha...@yadro.com> Thanks, Roman