Re: migration issue scheduling while atomic

Geert Uytterhoeven <[email protected]>
Newsgroups gmane.linux.uclinux.devel
Message-ID <CAMuHMdXK4P6DtqM-+r3YJgGgJz5M0LAPgrqUdFB60=5a+L2NDQ@mail.gmail.com>
On Wed, Mar 6, 2013 at 12:55 PM, Luis Alves <[email protected]> wrote:
> Anyway... Digging in the kernel sources and reading some stuff, I
> concluded that "Sleep inside atomic section checking" doesn't make
> sense since the m68k arch doesn't support SMP or preemption.
> From what I could understand this check looks for scheduling inside
> spinlocks (that should disable preemption).
> In my case, since I don't have preemption enabled in the first place,
> then spinlocks do absolutely nothing (the ones that don't disable
> irqs).

Isn't this message also printed while scheduling with interrupts disabled?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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