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

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