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SubjectRe: [PATCH] x86, kdump: No need to disable ioapic in crash path
On Wed, Feb 08, 2012 at 02:55:14PM -0800, Eric W. Biederman wrote:
> > I ran lkdtm by panic'ing in the interrupt handle thus leaving device
> > interrupt un-ack'd and the apic might have been un-ack'd too (jprobes
> > hooked in at do_IRQ). 3 out 3 times the second kernel came up on my core2
> > quad.
>
> That sounds like more than enough basic testing for me. Document your
> testing in a patch description and let's get the unnecessary local apic
> and ioapic stomping removed from the kexec on panic path.
>
> There were bugs. We deleted the code that had them. The bugs are gone
> and there are no new problems goes over very well in my book.

Great. Thanks. I'll put together the patch.

Cheers,
Don


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