> No, we don't know if they will release it *only* to vendors for a
> firmware update, or also for operating system updates.  Also, for Zen
> and later one cannot just hope to update microcode through the operating
> system, often it requires such an early update that it has to be done by
> the firmware itself.

https://lists.opensuse.org/opensuse-security-announce/2018-01/msg00004.html

It seems AMD just released a microcode update to disable branch
prediction on its Zen architecture.

-- 
pollo

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