Re: [PATCH] x86/microcode: Add an option to reload microcode even if revision is unchanged

From: Boris Petkov
Date: Wed Sep 04 2019 - 18:12:37 EST


On September 5, 2019 12:06:54 AM GMT+02:00, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> wrote:
>Why do we need to taint kernel here? We are not making any changes.

Because this is not a normal operation we want users to do. This is only for testing microcode quicker.

>This won't allow people to load from new microcode blob which I thought
>was one of the objectives behind this new feature.

You load a new blob the usual way: echo 1 > ...

This is the "unusual" way where you reload an already loaded revision only.

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