To reduce latency on time_calibration_tsc_rendezvous()'s last loop
iteration, separate fields written on the last iteration enough from the
crucial field read by all CPUs on the last iteration such that they end
up in distinct cache lines. Prefetch this field on an earlier iteration.
Signed-off-by
On 09.02.2021 13:57, Jan Beulich wrote:
> To reduce latency on time_calibration_tsc_rendezvous()'s last loop
> iteration, separate fields written on the last iteration enough from the
> crucial field read by all CPUs on the last iteration such that they end
> up in distinct cache lines. Prefetch th
