From: Anton Blanchard <anton@samba.org>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: Anton Blanchard <anton@ozlabs.org>,
benh@kernel.crashing.org, paulus@samba.org,
herbert@gondor.apana.org.au, davem@davemloft.net,
alastair@d-silva.org, linuxppc-dev@lists.ozlabs.org,
linux-crypto@vger.kernel.org
Subject: Re: [PATCH] crypto: crc32c-vpmsum - Convert to CPU feature based module autoloading
Date: Thu, 4 Aug 2016 20:26:01 +1000 [thread overview]
Message-ID: <20160804202601.12aa879e@kryten> (raw)
In-Reply-To: <87lh0dexp3.fsf@concordia.ellerman.id.au>
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
next prev parent reply other threads:[~2016-08-04 10:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-04 6:38 [PATCH] crypto: crc32c-vpmsum - Convert to CPU feature based module autoloading Anton Blanchard
2016-08-04 8:38 ` Michael Ellerman
2016-08-04 10:26 ` Anton Blanchard [this message]
2016-08-05 6:51 ` Michael Ellerman
2016-08-08 15:22 ` Herbert Xu
2016-08-09 11:26 ` Michael Ellerman
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