Re: Subject: [patch V3 08/30] x86/microcode/intel: Save the microcode only after a successful late-load

[Qiuxu Zhuo]

> ...
> From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> 
> There are situations where the late microcode is loaded into memory, but is
> not applied:
> 
>   1) The rendevouz fails

s/rendevouz/rendezvous/

>   2) The microcode is rejected by the CPUs
> 
> If any of this happens then the pointer which was updated at firmware load
> time is stale and subsequent CPU hotplug operations either fail to update
> or create inconsistent microcode state.
> 
> Save the loaded microcode in a separate pointer from with the late load is
> attempted and when successful, update the hotplug pointer accordingly via a
> new micrcode_ops callback.

s/micrcode_ops/microcode_ops

> 
> Remove the pointless fallback in the loader to a microcode pointer which is
> never populated.
> ...