* Oleg Nesterov <oleg@xxxxxxxxxx> wrote: > On 09/01, Eric W. Biederman wrote: > > > > Oleg Nesterov <oleg@xxxxxxxxxx> writes: > > > > > On 09/01, Oleg Nesterov wrote: > > >> > > >> On 09/01, Ingo Molnar wrote: > > >> > > > >> > * Oleg Nesterov <oleg@xxxxxxxxxx> wrote: > > >> > > > >> > > On 09/01, Ingo Molnar wrote: > > >> > > > > > >> > > > * Oleg Nesterov <oleg@xxxxxxxxxx> wrote: > > >> > > > > > >> > > > > Yes, this should work. But I _think_ we can make the better fix... > > >> > > > > > > >> > > > > I'll try to make the patch soon. Afaics we don't need > > >> > > > > kthreadd_task_init_done. > > >> > > > > > >> > > > ok. > > >> > > > > >> > > Just in case, the patch is ready. [...] > > >> > > > >> > yes - that's roughly the cleanup i referred to in the commit log. > > >> > > > >> > way too late for -rc8 though - the minimal fix i did _might_ be > > >> > eligible. > > >> > > > >> > agreed? > > >> > > >> Agreed. Then I will sent the patch on top of this change. > > > > > > OK, I am sending the patch on top of your fix. Not sure how to really > > > test it, but at least the kernel works when I apply the debugging patch > > > below on top. > > > > Stupid question. How is it that we wind up trying to start kernel threads > > before it is safe to do so? > > > > Races should be impossible because the scheduler isn't running until a few > > lines later. > > Yes, I am confused too. > > At first I thought I understand the race, now I don't. Please see > the whole thread: http://marc.info/?t=125180592500005 I dont understand it either - and the .config being !SMP excludes any sort of SMP race as well. Lets delay this until i can debug it more fully. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html