From: Holger Dengler <dengler@linux.ibm.com>
To: Eric Biggers <ebiggers@kernel.org>
Cc: linux-kernel@vger.kernel.org, Ard Biesheuvel <ardb@kernel.org>,
"Jason A . Donenfeld" <Jason@zx2c4.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
linux-arm-kernel@lists.infradead.org,
linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org,
linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
x86@kernel.org, Harald Freudenberger <freude@linux.ibm.com>,
linux-crypto@vger.kernel.org
Subject: Re: [PATCH v2 15/35] lib/crypto: s390/aes: Migrate optimized code into library
Date: Thu, 15 Jan 2026 23:00:12 +0100 [thread overview]
Message-ID: <03ba58e6-0eaf-4970-8d27-ffe29bc9a7bf@linux.ibm.com> (raw)
In-Reply-To: <20260112192035.10427-16-ebiggers@kernel.org>
On 12/01/2026 20:20, Eric Biggers wrote:
> Implement aes_preparekey_arch(), aes_encrypt_arch(), and
> aes_decrypt_arch() using the CPACF AES instructions.
>
> Then, remove the superseded "aes-s390" crypto_cipher.
>
> The result is that both the AES library and crypto_cipher APIs use the
> CPACF AES instructions, whereas previously only crypto_cipher did (and
> it wasn't enabled by default, which this commit fixes as well).
>
> Note that this preserves the optimization where the AES key is stored in
> raw form rather than expanded form. CPACF just takes the raw key.
>
> Acked-by: Ard Biesheuvel <ardb@kernel.org>
> Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Thanks!
Tested-by: Holger Dengler <dengler@linux.ibm.com>
Reviewed-by: Holger Dengler <dengler@linux.ibm.com>
--
Mit freundlichen Grüßen / Kind regards
Holger Dengler
--
IBM Systems, Linux on IBM Z Development
dengler@linux.ibm.com
next prev parent reply other threads:[~2026-01-15 22:00 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-12 19:19 [PATCH v2 00/35] AES library improvements Eric Biggers
2026-01-12 19:19 ` [PATCH v2 01/35] crypto: powerpc/aes - Rename struct aes_key Eric Biggers
2026-01-12 19:20 ` [PATCH v2 02/35] lib/crypto: aes: Introduce improved AES library Eric Biggers
2026-01-12 19:20 ` [PATCH v2 03/35] crypto: arm/aes-neonbs - Use AES library for single blocks Eric Biggers
2026-01-12 19:20 ` [PATCH v2 04/35] crypto: arm/aes - Switch to aes_enc_tab[] and aes_dec_tab[] Eric Biggers
2026-01-12 19:20 ` [PATCH v2 05/35] crypto: arm64/aes " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 06/35] crypto: arm64/aes - Select CRYPTO_LIB_SHA256 from correct places Eric Biggers
2026-01-12 19:20 ` [PATCH v2 07/35] crypto: aegis - Switch from crypto_ft_tab[] to aes_enc_tab[] Eric Biggers
2026-01-12 19:20 ` [PATCH v2 08/35] crypto: aes - Remove aes-fixed-time / CONFIG_CRYPTO_AES_TI Eric Biggers
2026-01-12 19:20 ` [PATCH v2 09/35] crypto: aes - Replace aes-generic with wrapper around lib Eric Biggers
2026-01-12 19:20 ` [PATCH v2 10/35] lib/crypto: arm/aes: Migrate optimized code into library Eric Biggers
2026-01-12 19:20 ` [PATCH v2 11/35] lib/crypto: arm64/aes: " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 12/35] lib/crypto: powerpc/aes: Migrate SPE " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 13/35] lib/crypto: powerpc/aes: Migrate POWER8 " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 14/35] lib/crypto: riscv/aes: Migrate " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 15/35] lib/crypto: s390/aes: " Eric Biggers
2026-01-15 22:00 ` Holger Dengler [this message]
2026-01-12 19:20 ` [PATCH v2 16/35] lib/crypto: sparc/aes: " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 17/35] lib/crypto: x86/aes: Add AES-NI optimization Eric Biggers
2026-01-12 19:20 ` [PATCH v2 18/35] crypto: x86/aes - Remove the superseded AES-NI crypto_cipher Eric Biggers
2026-01-12 19:20 ` [PATCH v2 19/35] Bluetooth: SMP: Use new AES library API Eric Biggers
2026-01-12 19:20 ` [PATCH v2 20/35] chelsio: " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 21/35] net: phy: mscc: macsec: " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 22/35] staging: rtl8723bs: core: " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 23/35] crypto: arm/ghash - " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 24/35] crypto: arm64/ghash " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 25/35] crypto: x86/aes-gcm " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 26/35] crypto: ccp " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 27/35] crypto: chelsio " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 28/35] crypto: crypto4xx " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 29/35] crypto: drbg " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 30/35] crypto: inside-secure " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 31/35] crypto: omap " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 32/35] lib/crypto: aescfb: " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 33/35] lib/crypto: aesgcm: " Eric Biggers
2026-01-12 19:20 ` [PATCH v2 34/35] lib/crypto: aes: Remove old AES en/decryption functions Eric Biggers
2026-01-12 19:20 ` [PATCH v2 35/35] lib/crypto: aes: Drop 'volatile' from aes_sbox and aes_inv_sbox Eric Biggers
2026-01-15 20:45 ` [PATCH v2 00/35] AES library improvements Eric Biggers
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