Re: [PATCH] x86, microcode: Remove unnecessary paravirt_enabled check

From: Andy Shevchenko
Date: Fri Feb 19 2016 - 06:00:41 EST


On Fri, Feb 19, 2016 at 12:50 PM, Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
> On Fri, Feb 19, 2016 at 12:46 PM, Borislav Petkov <bp@xxxxxxxxx> wrote:
>> On Fri, Feb 19, 2016 at 12:33:46PM +0200, Andy Shevchenko wrote:

>>> commit 84aba677f009e20185aea322563389ad56e0ef7e
>>> Author: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
>>> Date: Tue Feb 16 09:43:19 2016 +0100
>>>
>>> x86/microcode: Remove unnecessary paravirt_enabled check
>>>
>>> One more thing: I run this kernel as a second from kexec. It might be
>>> related as well. For now I have no possibility to run it as a first
>>> kernel.
>>
>> Well, how exactly are you triggering this? Do you have a splat or some
>> other register dump so that I can try to pinpoint this. I'll need more
>> info so that I can reproduce it here and debug it.
>
> It stuck at some point during boot. I'm trying to get earlycon or
> earlyprintk to show me something...

That what I see last with earlycon enabled + `debug` in cmdline:

â
[ 0.000000] Console: colour VGA+ 80x25
[ 0.000000] console [tty1] enabled
[ 0.000000] console [ttyS1] enabled
[ 0.000000] bootconsole [uart8250] disabled

Without it I see nothing at all.

--
With Best Regards,
Andy Shevchenko