On Mon, Feb 13, 2017 at 7:10 AM, Alex Bennée <alex.ben...@linaro.org> wrote: > The WFE and YIELD instructions are really only hints and in TCG's case > they were useful to move the scheduling on from one vCPU to the next. In > the parallel context (MTTCG) this just causes an unnecessary cpu_exit > and contention of the BQL. >
I think something similar needs to be done for 'pause' on x86. -- Pranith
