On Mon, Oct 26 2020 at 10:08, psodagud wrote: > Based on my understanding with maxcpus option provides, maximum no of > CPUs are brough up during the device boot up. There is a different case, > in which we want to restrict which CPUs to be brough up. Again: What for? Why? > On a system with 8 cpus, if we set maxcpus as 3, cpu0, cpu1, and cpu2 > are brough up during the bootup. For example, if we want to bring > core0, core3 and core4 current maxcpu(as 3) setting would not help us. > On some platform we want the flexibility on which CPUs to bring up > during the device bootup. bootcpus command line is helping to bring > specific CPUs and these patches are working downstream. A lot of patches work downstream by some definition of work. But that does not make an argument to bring them upstream. Thanks, tglx