Re: x86, microcode: BUG: microcode update that changes x86_capability

[H. Peter Anvin]

He said *outside* of the early update mechanism.

On September 21, 2014 5:37:24 PM PDT, Andi Kleen <andi@xxxxxxxxxxxxxx> wrote:
>Henrique de Moraes Holschuh <hmh@xxxxxxxxxx> writes:
>
>
>>     And yes, this means we will kill support for microcode updates
>>     outside of the initramfs/early-initramfs, at least in Debian,
>>     and likely in Ubuntu.
>
>You got it totally backwards. initramfs updating should handle this
>microcode update just fine, as it happens before the kernel 
>scans the cpuids. Just don't update it later.
>
>Nothing else is needed.
>
>-Andi

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