linux-kernel - Re: [PATCH] x86: Unbreak early processor microcode loading

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Message-ID: <20150318100227.GA3249@pd.tnic>
Date:	Wed, 18 Mar 2015 11:02:27 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Daniel J Blueman <daniel@...ascale.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Quentin Casasnovas <quentin.casasnovas@...cle.com>,
	Steffen Persvold <sp@...ascale.com>,
	linux-kernel@...r.kernel.org, x86@...nel.org
Subject: Re: [PATCH] x86: Unbreak early processor microcode loading

On Wed, Mar 18, 2015 at 05:09:12PM +0800, Daniel J Blueman wrote:
> I can't reproduce your early-loading case with this same config; I suspect
> your udev is loading the firmware which is available in the initramfs, or
> it's being loaded later from the rootfs non-early.

Yeah, you're right. I was able to reproduce it after disabling the
postinst script which adds the microcode to the initrd.

> I find the changes I posted earlier fix this. Maybe I'm missing something
> still?

I don't like the ifdeffery in your solution and would like to try to fix
it in a cleaner way. Unless you come up with a better solution first.

Thanks.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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