On 1 February 2017 at 15:05, 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. > > Signed-off-by: Alex Bennée <alex.ben...@linaro.org> > Reviewed-by: Richard Henderson <r...@twiddle.net> > --- > target/arm/op_helper.c | 7 +++++++ > target/arm/translate-a64.c | 8 ++++++-- > target/arm/translate.c | 20 ++++++++++++++++---- > 3 files changed, 29 insertions(+), 6 deletions(-)
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org> though I'm not much of a fan of yet another global variable :-( thanks -- PMM