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Re: [Xen-devel] [PATCH v3] x86: Fixup IRQs when CPUs go down during shutdown

>>> On 10.12.15 at 10:21, <ross.lagerwall@xxxxxxxxxx> wrote:
> On 12/04/2015 02:42 PM, Jan Beulich wrote:
>>>>> On 04.12.15 at 15:01, <ross.lagerwall@xxxxxxxxxx> wrote:
>>> Commit fc0c3fa2ad5c ("x86/IO-APIC: fix setup of Xen internally used IRQs
>>> (take 2)") introduced a regression on some hardware where Xen would hang
>>> during shutdown, repeating the following message:
>>> APIC error on CPU0: 08(08), Receive accept error
>>> This appears to be because an interrupt (in this case from the serial
>>> console) destined for a CPU other than the boot CPU is left unhandled so
>>> an APIC error on CPU 0 is generated instead.
>>> To fix this, before taking down the non-boot CPUs, call fixup_irqs()
>>> with a CPU mask of only the boot CPU to reset the IRQ affinities
>>> correctly.
>>> Signed-off-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
>> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
> Is this going to go onto staging?

I really was waiting for some kind of response to

>>... I really would have wanted the split of the functions to be
>>undone too (renaming the bool_t function parameter suitably).

in the mail that you just replied to (but stripped those parts off).


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