From: Anton Blanchard Subject: Re: [PATCH] crypto: crc32c-vpmsum - Convert to CPU feature based module autoloading Date: Thu, 4 Aug 2016 20:26:01 +1000 Message-ID: <20160804202601.12aa879e@kryten> References: <1470292695-9829-1-git-send-email-anton@ozlabs.org> <87lh0dexp3.fsf@concordia.ellerman.id.au> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: herbert@gondor.apana.org.au, paulus@samba.org, linux-crypto@vger.kernel.org, alastair@d-silva.org, linuxppc-dev@lists.ozlabs.org, davem@davemloft.net To: Michael Ellerman Return-path: In-Reply-To: <87lh0dexp3.fsf@concordia.ellerman.id.au> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org Sender: "Linuxppc-dev" List-Id: linux-crypto.vger.kernel.org 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