[PATCH] x86, kdump: No need to disable ioapic in crash path

[Don Zickus]

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