From: Herbert Xu <herbert@gondor.apana.org.au>
To: Danny Tsen <dtsen@linux.ibm.com>
Cc: linux-crypto@vger.kernel.org, leitao@debian.org,
nayna@linux.ibm.com, appro@cryptogams.org,
linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
mpe@ellerman.id.au, ltcgcw@linux.vnet.ibm.com, dtsen@us.ibm.com
Subject: Re: [PATCH v2] crypto: vmx: Improved AES/XTS performance of 6-way unrolling for ppc.
Date: Fri, 15 Sep 2023 18:41:45 +0800 [thread overview]
Message-ID: <ZQQ06U7LEgoZMSY6@gondor.apana.org.au> (raw)
In-Reply-To: <20230830134911.179765-1-dtsen@linux.ibm.com>
On Wed, Aug 30, 2023 at 09:49:11AM -0400, Danny Tsen wrote:
> Improve AES/XTS performance of 6-way unrolling for PowerPC up
> to 17% with tcrypt. This is done by using one instruction,
> vpermxor, to replace xor and vsldoi.
>
> The same changes were applied to OpenSSL code and a pull request was
> submitted.
>
> This patch has been tested with the kernel crypto module tcrypt.ko and
> has passed the selftest. The patch is also tested with
> CONFIG_CRYPTO_MANAGER_EXTRA_TESTS enabled.
>
> Signed-off-by: Danny Tsen <dtsen@linux.ibm.com>
> ---
> drivers/crypto/vmx/aesp8-ppc.pl | 141 +++++++++++++++++++++-----------
> 1 file changed, 92 insertions(+), 49 deletions(-)
Patch applied. Thanks.
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next prev parent reply other threads:[~2023-09-15 10:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-30 13:49 [PATCH v2] crypto: vmx: Improved AES/XTS performance of 6-way unrolling for ppc Danny Tsen
2023-09-15 10:41 ` Herbert Xu [this message]
2023-09-15 11:23 ` Danny Tsen
2023-09-15 13:29 ` Michael Ellerman
2023-09-15 14:28 ` Danny Tsen
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