On 06/17/2013 12:48 PM, Zhao Chenhui wrote: > I don't think it is necessary to change the mask. migration_call() invoked by > the cpu notify "CPU_DYING" will remove all running tasks from the dying cpu. > Even if the current task is running on the dying cpu, it will be transfered > to another online cpu. I had here hiccups if the task was running on the CPU which should go down. > I guess that changing the mask benefits the latency of the system. > Please correct me. I don't get this. Lets say your system has CPUs 0-15 and you pin your application to CPU0. After this application brings CPU15 down it is allowed to run on CPUs 0-14. This is wrong and has been corrected. The CPU down mechanism should not affected CPU mask of the application. > > -Chenhui > Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
