On Wed, January 24, 2018 12:38 pm, Leroy Tennison wrote:
> What's amazing to me is, after "Intel Inside - don't divide" (their 486
> debacle), they didn't learn and have a better plan for addressing these
> kinds of things.
It probably would be fair to conclude that they didn't plan to address
these things at all ;-)
Valeri
>
> ----- Original Message -----
> From: "Chris Murphy" <lists@xxxxxxxxxxxxxxxxx>
> To: "centos" <centos@xxxxxxxxxx>
> Sent: Wednesday, January 24, 2018 12:06:01 PM
> Subject: Re: /lib/firmware/microcode.dat update on CentOS 6
>
> On Tue, Jan 23, 2018 at 4:26 AM, Johnny Hughes <johnny@xxxxxxxxxx> wrote:
>
>>
>> Here are a couple of posts for our reading pleasure:
>>
>> Intel recommends not installing the microcode now:
>> http://intel.ly/2DsL9qz
>
> Except this doesn't mention microcode at all. I can't even tell WTF
> they're recommending not doing in this doc, it's that badly written.
> You have to infer, by reading two prior docs, that they're referring
> to microcode. And then you have to assume that's still what they're
> referring to when they say:
>
> "We recommend that OEMs, cloud service providers, system
> manufacturers, software vendors and end users stop deployment of
> current versions." Current versions of what? Microcode?
>
> But yes, indeed they appear to have pulled the 20180108 microcode,
> which was previously set to latest at this link, and it is now
> reverted to the 20171117 microcode.
>
> https://downloadcenter.intel.com/download/27337/Linux-Processor-Microcode-Data-File?v=t
>
> What these means for people who have CPUs which were not crashing
> (rebooting being a new euphemism for crashing) , but saw variant 2
> Spectre mitigation with the 20180108 microcode, will lose full
> mitigation until Intel gets its ducks into a row.
>
>
> *eye roll*
>
>
>
>> Linus Torvalds agrees:
>> http://tcrn.ch/2n2mEcA
>
> His comments aren't about microcode though. And it also looks like he
> got IBRS and IBPB confused. The better post on this front is
>
> https://lkml.org/lkml/2018/1/22/598
>
> As far as I know, there still is no mitigation for Spectre variant 1.
>
>
>
> --
> Chris Murphy
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++++++++++++++++++++++++++++++++++++++++
Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247
++++++++++++++++++++++++++++++++++++++++
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