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From: Gabriel C <nix.or.die@gmail.com>
Date: Fri, 20 May 2016 18:03:39 +0200
Message-ID: <CAEJqkghag-M7VV_5jcv06pDu3pR4D9Spx3pmLOW_VCuu73_yqQ@mail.gmail.com>
Subject: Re: Builtin microcode does nothing..
To: Borislav Petkov <bp@suse.de>
Cc: LKML <linux-kernel@vger.kernel.org>
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2016-05-20 12:08 GMT+02:00 Gabriel C <nix.or.die@gmail.com>:
>> Does it work when you disable CONFIG_BLK_DEV_INITRD in there?
>
> I can test this whne I'm home since I need to change the config a bit.
>
>> I have a patchset which I'm testing right now which should correct some
>> warts in builtin microcode, if you want me to, I can push it out for you
>> to test too.
>
> Sure just give me an link or tell me where I can find your testing
> patchset and I give it a try.
>
>

Some update on that.

( I still did not test with CONFIG_BLK_DEV_INITRD diabled )

I don't have myself an AMD system but someone tested the same config
but with AMD firmware and this works as expected.

...

[    0.545036] microcode: microcode updated early to new patch_level=0x010000c8

....

So it seems just the Intel part of the code does not work.


Regards,

Gabriel C