RE: [Xen-devel] [PATCH] x86: change IO-APIC ack method default forsingle IO-APIC systems

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

>>> "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> 21.01.09 15:23 >>>
>> Ever since 3.0.2 we've been carrying this patch in our products. Since
>> there was no indication that there would be anything wrong with the
>> 'new' IO-APIC ack method added back then, we finally decided to drop
>> this patch recently from SLE11, to find that the subsequent release
>> candidate failed to work on at least on system without using
>
>This is a bit strange, a bit curios that do you know the reason that it not 
>working? 

I too find it strange (otherwise I wouldn't have decided to drop that patch),
but given that it always worked before, we have a solution at hand, and I
don't have an affected machine available for debugging, I wanted to save
myself and the reporter trying to figure out what's going on there from
remote.

Jan


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