On Thu, Sep 12, 2013 at 02:22:43PM +0000, Christoph Lameter wrote: > On Thu, 12 Sep 2013, Frederic Weisbecker wrote: > > > On Thu, Sep 12, 2013 at 02:10:56PM +0000, Christoph Lameter wrote: > > > On Thu, 12 Sep 2013, Frederic Weisbecker wrote: > > > > > > > Why not do this from userspace instead? > > > > > > Because the cpumasks are hardcoded in the kernel code. > > > > > > > Ok but you can change the affinity of a kthread from userspace, as > > long as you define a cpu set that is among that kthread's cpus allowed. > > Ok but at that point kthread has already spawned a lot of kernel threads. > > The same is true for init and kmod. >
Ok but then we just need to set the affinity of all these kthreads. A simple lookup on /proc/[0-9]+/ should do the trick. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
