From: Danny Tsen <dtsen@linux.ibm.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: dtsen@us.ibm.com, nayna@linux.ibm.com,
linux-kernel@vger.kernel.org, appro@cryptogams.org,
linux-crypto@vger.kernel.org, ltcgcw@linux.vnet.ibm.com,
leitao@debian.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v2] crypto: vmx: Improved AES/XTS performance of 6-way unrolling for ppc.
Date: Fri, 15 Sep 2023 06:23:25 -0500 [thread overview]
Message-ID: <6297a0bd-3101-d8cc-5a8f-24b3b82a92e6@linux.ibm.com> (raw)
In-Reply-To: <ZQQ06U7LEgoZMSY6@gondor.apana.org.au>
Thanks Herbert.
-Danny
On 9/15/23 5:41 AM, Herbert Xu wrote:
> 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.
next prev parent reply other threads:[~2023-09-15 11:24 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
2023-09-15 11:23 ` Danny Tsen [this message]
2023-09-15 13:29 ` Michael Ellerman
2023-09-15 14:28 ` Danny Tsen
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