Re: [PATCH 0/2] efi: Enhance capsule loader to support signed Quark images

From: Andy Shevchenko
Date: Wed Mar 01 2017 - 10:03:33 EST


On Wed, Mar 1, 2017 at 4:02 PM, Bryan O'Donoghue
<pure.logic@xxxxxxxxxxxxxxxxx> wrote:

>>> So, summarize, you state that
>>> 1. CONFIG_SMP=y and
>>> 2. CONFIG_M686=y and
>>> 3. Kernel works on Quark
>>>
>>> Is it correct?

>> Logically yes. It's a very long time since I looked in detail. No harm
>> in checking it out though.
>>
>> I'll compile up the above kernel this evening (GMT) and verify.

> CONFIG_SMP=y - no difference - like I say it's PF# on lock prefix
> instructions, not SMP=y that's the problem here
> CONFIG_M686=y (doesnt' boot)
> CONFIG_M586TSC=y does boot

> So yes M686 is not bootable on this part. My point to you about having a
> custom kernel though still stands, you shouldn't have to compile a quark
> specific kernel - just a 586TSC kernel with Quark support.

... which is not default. That's my point.

> For example CentOS is bootable on Quark.

Because someone there took care of it. (I think being i586 compatible
binaries as well)

--
With Best Regards,
Andy Shevchenko