Re: [Xen-devel] Re: [PATCH] x86: fix the potential of encountering panic "IO-APIC + timer doesn't work! ..."

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 12/12/2008 09:13, "Ingo Molnar" <mingo@xxxxxxx> wrote:

>>> From all I can tell, the below reproduced full description of the
>> original Linux patch applies to Xen, too - at least in the watchdog
>> enabled case IRQs can be enabled when entering setup_IO_APIC(). My
>> attention to this change really got caught just by the fact that it got
>> added to our (2.6.16-based) SLE10 kernel pretty recently.
> 
> note that we had to revert that eventually. The real solution is an array
> of fixes from Maciej spread out over many months.

Does it do more harm than good on some systems, or is it simply not a
comprehensive fix?

 -- Keir



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