On Sat, Aug 3, 2024 at 8:34 PM Tomas Henzl <thenzl@xxxxxxxxxx> wrote: > > Patch 0c52310f2600 ("hrtimer: Ignore slack time for RT tasks in schedule_hrtimeout_range()") > effectivelly shortens a sleep in a polling function in the driver. > That is causing a perfomance regression as the new value > of just 2us is too low. In certain test the perf drop is ~30%. > Fix this by adjusting the sleep to 20us (close to the previous value). > > Reported-by: Jan Jurca <jjurca@xxxxxxxxxx> > Signed-off-by: Tomas Henzl <thenzl@xxxxxxxxxx> Looks good to me. Acked-by: Sumit Saxena <sumit.saxena@xxxxxxxxxxxx>
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