On Tue, 2 Oct 2007, Andi Kleen wrote:
> On Tue, Oct 02, 2007 at 09:37:03AM +0200, Ingo Molnar wrote:
> >
> > * Andrew Morton <[email protected]> wrote:
> >
> > > On 02 Oct 2007 08:18:17 +0200 Andi Kleen <[email protected]> wrote:
> > >
> > > > The clockevents patches are not included in this; but given the
> > > > recent trouble i'm not 100% sure they are even ready yet.
> >
> > i'm curious, which "recent trouble" do you refer to? (The NMI watchdog
> > bug [which is off by default] was fixed quickly. The C1E bug was found
> > and fixed quickly. Anything else i missed?)
>
> C1e and now the misrouted irq 0s Thomas reported.
>
> Also i'm a little worried about the missing C1e check; it looks
> like it needs a re-review to make sure not other infrastructure was
> missing.
I had completely forgotten about the C1E problem, which we debugged
half a year ago on 32bit. I went through the other pitfalls we had in
32bit carefully again and they are all covered on 64 bit too. C1E was
the only one I missed.
The irq0 problem is not a real one. The clock events code has no irq0
bound to cpuX assumption at all. The only affected part is nmi_watchdog
and I have a fix ready to handle this even for the irq#0 not on cpu#0
case.
tglx
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