On Fri, Sep 13, 2013 at 01:45:55PM +0000, Christoph Lameter wrote: > On Thu, 12 Sep 2013, Frederic Weisbecker wrote: > > > So yeah it's a problem in theory. Now in practice, I have yet to be > > convinced because > > this should be solved after a few iterations in /proc in most cases. > > I have seen some drivers regularly spawning threads all over the machnine. > This is a practical issue that I am addresing. > > > > Now the issue doesn't only concern kthreads but all tasks in the system. > > If we really want to solve that race, then may be we can think of a > > kernel_parameter > > that sets the initial affinity of init and then lets get it naturally > > inherited > > through the whole tree. > > This patch that we are discussing does exactly that. >
Indeed, I just looked that again and your cpu_kthread_mask actually also applies to init. cpu_init_mask would be a better name I think. -- 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/