Messages in this thread | | | Date | Thu, 12 Sep 2013 14:22:43 +0000 | From | Christoph Lameter <> | Subject | Re: [RFC] Restrict kernel spawning of threads to a specified set of cpus. |
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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.
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