On Fri, Dec 03, 2021 at 03:36:18AM +0000, Li Hua wrote: > When rt_runtime is modified from -1 to a valid control value, it may > cause the task to be throttled all the time. Operations like the following > will trigger the bug. E.g: > 1. echo -1 > /proc/sys/kernel/sched_rt_runtime_us > 2. Run a FIFO task named A that executes while(1) > 3. echo 950000 > /proc/sys/kernel/sched_rt_runtime_us > > When rt_runtime is -1, The rt period timer will not be activated when task > A enqueued. And then the task will be throttled after setting rt_runtime to > 950,000. The task will always be throttled because the rt period timer is > not activated. > > Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> > Signed-off-by: Li Hua <hucool.lihua@xxxxxxxxxx> Thanks, do you think you can reply here with a Fixes: tag so I can add it?
