[Xen-devel] Ping II: [PATCH 0/2] VT-d: further XSA-59 workaround adjustments

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 08.05.14 at 10:07, <JBeulich@xxxxxxxx> wrote:
>>>> On 28.04.14 at 09:54, <JBeulich@xxxxxxxx> wrote:
>> While doing the backports of the recently committed XSA-59 workaround
>> patches, when reaching 4.2 I had to inspect the fuzzy applies resulting
>> from the x86-64 conditionals in that code, making me realize that what
>> we're doing is still insufficient: We wrongly assume to be able to access
>> extended config registers (i.e. MMCFG space) at boot time.
>> 
>> Fixing that, in turn made me again look at the one workaround that was
>> in place in the same function before that recent series, just to find that
>> the list very likely should have been extended quite a while back.
>> 
>> 1: apply quirks at device setup time rather than only at boot
>> 2: extend error report masking workaround to newer chipsets
>> 
>> This (still) is CVE-2013-3495 / XSA-59.
>> 
>> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> 
> Even if patch 2 may require additional time to be validated (and
> ideally may turn out not to be required at all), I would still
> appreciate some feedback on patch 1 rather sooner than later.

Xiantao,

another week has passed with no response from you whatsoever.
As the maintainer for VT-d code, I think we can expect you to react
on patches in a half way timely manner. I'll give this a couple more
days, but will assume the absence of any objection on patch 1 if I
don't hear back (I'm willing to give patch 2 some more time for you
to investigate).

Regards, Jan


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