From: "Daniel P. Berrangé" <berrange@redhat.com>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-devel@nongnu.org
Subject: Re: [PATCH 03/17] crypto: Assume blocksize is a power of 2
Date: Mon, 17 Aug 2020 17:51:23 +0100 [thread overview]
Message-ID: <20200817165123.GM4775@redhat.com> (raw)
In-Reply-To: <20200813032537.2888593-4-richard.henderson@linaro.org>
On Wed, Aug 12, 2020 at 08:25:23PM -0700, Richard Henderson wrote:
> The check in the encode/decode path using full division has a
> noticeable amount of overhead. By asserting the blocksize is
> a power of 2, we can reduce this check to a mask.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> crypto/cipher-builtin.c | 4 ++--
> crypto/cipher-gcrypt.c | 5 +++--
> crypto/cipher-nettle.c | 5 +++--
> crypto/cipher.c | 1 +
> 4 files changed, 9 insertions(+), 6 deletions(-)
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Regards,
Daniel
--
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next prev parent reply other threads:[~2020-08-17 16:52 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-13 3:25 [PATCH 00/17] crypto/cipher: Class hierarchy cleanups Richard Henderson
2020-08-13 3:25 ` [PATCH 01/17] crypto: Move QCryptoCipher typedef to qemu/typedefs.h Richard Henderson
2020-08-13 7:59 ` Philippe Mathieu-Daudé
2020-08-17 16:48 ` Daniel P. Berrangé
2020-08-17 20:38 ` Richard Henderson
2020-08-17 20:42 ` Richard Henderson
2020-08-17 20:50 ` Richard Henderson
2020-08-28 13:28 ` Daniel P. Berrangé
2020-08-13 3:25 ` [PATCH 02/17] crypto: Move QCryptoCipherDriver " Richard Henderson
2020-08-13 7:59 ` Philippe Mathieu-Daudé
2020-08-13 3:25 ` [PATCH 03/17] crypto: Assume blocksize is a power of 2 Richard Henderson
2020-08-17 16:51 ` Daniel P. Berrangé [this message]
2020-08-13 3:25 ` [PATCH 04/17] crypto: Rename cipher include files to .inc.c Richard Henderson
2020-08-13 8:00 ` Philippe Mathieu-Daudé
2020-08-17 16:52 ` Daniel P. Berrangé
2020-08-13 3:25 ` [PATCH 05/17] crypto: Remove redundant includes Richard Henderson
2020-08-13 8:01 ` Philippe Mathieu-Daudé
2020-08-17 16:50 ` Daniel P. Berrangé
2020-08-13 3:25 ` [PATCH 06/17] crypto/nettle: Fix xts_encrypt arguments Richard Henderson
2020-08-17 16:53 ` Daniel P. Berrangé
2020-08-13 3:25 ` [PATCH 07/17] crypto: Use the correct const type for driver Richard Henderson
2020-08-13 8:02 ` Philippe Mathieu-Daudé
2020-08-17 16:53 ` Daniel P. Berrangé
2020-08-13 3:25 ` [PATCH 08/17] crypto: Allocate QCryptoCipher with the subclass Richard Henderson
2020-08-17 16:55 ` Daniel P. Berrangé
2020-08-13 3:25 ` [PATCH 09/17] crypto: Move cipher->driver init to qcrypto_*_cipher_ctx_new Richard Henderson
2020-08-17 16:56 ` Daniel P. Berrangé
2020-08-13 3:25 ` [PATCH 10/17] crypto: Constify cipher data tables Richard Henderson
2020-08-13 8:03 ` Philippe Mathieu-Daudé
2020-08-17 16:56 ` Daniel P. Berrangé
2020-08-13 3:25 ` [PATCH 11/17] crypto/builtin: Remove odd-sized AES block handling Richard Henderson
2020-08-17 16:57 ` Daniel P. Berrangé
2020-08-13 3:25 ` [PATCH 12/17] crypto/builtin: Merge qcrypto_cipher_aes_{ecb, xts}_{en, de}crypt Richard Henderson
2020-08-13 8:05 ` Philippe Mathieu-Daudé
2020-08-17 17:00 ` [PATCH 12/17] crypto/builtin: Merge qcrypto_cipher_aes_{ecb,xts}_{en,de}crypt Daniel P. Berrangé
2020-08-13 3:25 ` [PATCH 13/17] crypto/builtin: Move AES_cbc_encrypt into cipher-builtin.inc.c Richard Henderson
2020-08-13 8:11 ` Philippe Mathieu-Daudé
2020-08-17 17:01 ` Daniel P. Berrangé
2020-08-13 3:25 ` [PATCH 14/17] crypto/builtin: Split and simplify AES_encrypt_cbc Richard Henderson
2020-08-17 17:02 ` Daniel P. Berrangé
2020-08-13 3:25 ` [PATCH 15/17] crypto/builtin: Split QCryptoCipherBuiltin into subclasses Richard Henderson
2020-08-28 13:44 ` Daniel P. Berrangé
2020-08-13 3:25 ` [PATCH 16/17] crypto/nettle: Split QCryptoCipherNettle " Richard Henderson
2020-08-28 13:46 ` Daniel P. Berrangé
2020-08-13 3:25 ` [PATCH 17/17] crypto/gcrypt: Split QCryptoCipherGcrypt " Richard Henderson
2020-08-28 13:52 ` Daniel P. Berrangé
2020-08-13 8:54 ` [PATCH 00/17] crypto/cipher: Class hierarchy cleanups Philippe Mathieu-Daudé
2020-08-13 10:48 ` no-reply
2020-08-13 11:11 ` no-reply
2020-08-17 16:45 ` Daniel P. Berrangé
2020-08-17 17:09 ` Daniel P. Berrangé
2020-08-17 20:49 ` Richard Henderson
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