Re: [PATCH 2/2] sched/topology: Expose numa_mask set/clear functions to arch
On Fri, Aug 31, 2018 at 01:12:53PM +0200, Peter Zijlstra wrote: > NAK, not until you've fixed every cpu_to_node() user in the kernel to > deal with that mask changing.
Also, what happens if userspace reads that information; uses libnuma and then you go and shift the world underneath their feet?