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Re: [Xen-devel] [PATCH RFC] VT-d: honor firmware-first mode in XSA-59 workaround code



>>> On 22.05.14 at 11:34, <andrew.cooper3@xxxxxxxxxx> wrote:
> On 22/05/14 08:13, Jan Beulich wrote:
>>>>> On 21.05.14 at 18:33, <andrew.cooper3@xxxxxxxxxx> wrote:
>>> The exact problem was a 2.6.32 kernel ignoring firmware-first and
>>> disabling reporting on the root ports but not endpoint devices, causing
>>> the SMM handler to fail to find the issue, and fail to clear the SMI.
>>>
>>> However, as part of the investigation, we identified that Xen was also
>>> violating firmware-first as part of XSA-59
>> So has a problem solely with the XSA-59 workaround (i.e. without an
>> ignorant kernel) then been observed at all?
> 
> Correct

"Correct" isn't really a meaningful answer to the question; I guess
you mean "yes".

Jan


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