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

From: Andy Shevchenko
Date: Fri Feb 19 2016 - 05:33:54 EST


On Fri, Feb 19, 2016 at 12:18 PM, Borislav Petkov <bp@xxxxxxxxx> wrote:
> On Fri, Feb 19, 2016 at 12:06:33PM +0200, Andy Shevchenko wrote:
>> Sorry for being too late, but this commit breaks 32-bit kernel on
>> Intel Medfield. Reverting the only commit from today's linux-next
>> helps.
>
> You mean this commit?!
>
> fbae4ba8c4a3 ("x86, microcode: Reload microcode on resume")
>
> This has been in since 3.19.
>
> Please explain.

No, the commit 84aba677f009 as of today's linux-next on which I commented.

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.

--
With Best Regards,
Andy Shevchenko