Messages in this thread | | | Date | Fri, 25 Oct 2013 12:57:42 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH] x86/apic: Disable I/O APIC before shutdown local APIC |
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* Fenghua Yu <fenghua.yu@intel.com> wrote:
> From: Fenghua Yu <fenghua.yu@intel.com> > > In reboot and crash path, when shutdown local APIC, I/O APIC is still active. > This may cause issues because external interrupts can still come in and > disturb local APIC during shutdown process. To quiet external interrupts, > disable I/O APIC before shutdown local APIC.
What specific 'issues' were observed, on what kind of systems?
Thanks,
Ingo
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