On 02/25/2014 06:45 AM, Peter Maydell wrote: > Implement WFE to yield our timeslice to the next CPU. > This avoids slowdowns in multicore configurations caused > by one core busy-waiting on a spinlock which can't possibly > be unlocked until the other core has an opportunity to run. > This speeds up my test case A15 dual-core boot by a factor > of three (though it is still four or five times slower than > a single-core boot). > > Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
Reviewed-by: Richard Henderson <r...@twiddle.net> r~
