Subject: Re: [PATCH] crypto: crc32c-vpmsum - Convert to CPU feature based module autoloading

From: Anton Blanchard <[email-masked]>
Date: Thu, 4 Aug 2016 20:26:01 +1000

Hi Michael,

> Is VEC_CRYPTO the right feature?
> 
> That's new power8 crypto stuff.

The vpmsum* instructions are part of the same pipeline as the vcipher*
instructions, introduced in POWER8.

> I thought this only used VMX? (but I haven't looked closely)

Yes, vcipher* and vpmsum* are VMX instructions.

Anton