Re: early microcode: how to disable at runtime?

From: Borislav Petkov
Date: Thu Sep 04 2014 - 11:43:03 EST

On Wed, Sep 03, 2014 at 09:43:02AM -0300, Henrique de Moraes Holschuh wrote:
> Half the things you'd usually do when writing kernel code cannot be done
> that early, that's how. It is not that the code is bad or especially
> fragile (at least not the core or the AMD driver. The Intel driver is
> convoluted).

Right, it could use some cleaning up.

> You have fixed several such bugs recently, commit ids:
> 75a1ba5b2c529db60ca49626bcaf0bddf4548438,
> 84516098b58e05821780dc0b89abcee434b4dca5,
> 5335ba5cf475369f88db8e6835764efdcad8ab96.

Those were unfortunate because the original patches didn't get tested
enough and got applied. This is not happening again on my watch.

> Yes. It is a stop gap solution, I never claimed it to be anything
> else.
> What I did claim is that it is going to be a far more user-friendly
> stop gap than the "boot from rescue media" option.

Ok, we have it now and we can use it if needed. All is good.

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