From: Eric Biggers <ebiggers@kernel.org>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: linux-crypto@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
herbert@gondor.apana.org.au, will@kernel.org,
kernel-team@android.com
Subject: Re: [PATCH v3 5/7] crypto: arm64/aes-neonbs - stop using SIMD helper for skciphers
Date: Wed, 12 May 2021 13:08:46 -0700 [thread overview]
Message-ID: <YJw1zrPQMqKDVeih@gmail.com> (raw)
In-Reply-To: <20210512184439.8778-6-ardb@kernel.org>
On Wed, May 12, 2021 at 08:44:37PM +0200, Ard Biesheuvel wrote:
> Calls into the skcipher API can only occur from contexts where the SIMD
> unit is available, so there is no need for the SIMD helper.
>
> Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
It would be helpful if the commit message made it clear that "Calls into the
skcipher API can only occur from contexts where the SIMD unit is available" is
something that is now the case but wasn't the case previously. Otherwise I
could see people backporting this patch without its prerequisites.
Likewise for some of the other patches in this patchset.
- Eric
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next prev parent reply other threads:[~2021-05-12 20:14 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-12 18:44 [PATCH v3 0/7] running kernel mode SIMD with softirqs disabled Ard Biesheuvel
2021-05-12 18:44 ` [PATCH v3 1/7] crypto: handle zero sized AEAD inputs correctly Ard Biesheuvel
2021-05-12 20:04 ` Eric Biggers
2021-05-12 21:24 ` Ard Biesheuvel
2021-05-21 7:55 ` Herbert Xu
2021-05-21 9:28 ` Ard Biesheuvel
2021-05-12 18:44 ` [PATCH v3 2/7] crypto: aead - disallow en/decrypt for non-task or non-softirq context Ard Biesheuvel
2021-05-12 20:06 ` Eric Biggers
2021-05-12 21:24 ` Ard Biesheuvel
2021-05-12 18:44 ` [PATCH v3 3/7] crypto: skcipher " Ard Biesheuvel
2021-05-12 18:44 ` [PATCH v3 4/7] crypto: arm64/gcm-aes-ce - remove non-SIMD fallback path Ard Biesheuvel
2021-05-12 18:44 ` [PATCH v3 5/7] crypto: arm64/aes-neonbs - stop using SIMD helper for skciphers Ard Biesheuvel
2021-05-12 20:08 ` Eric Biggers [this message]
2021-05-12 21:25 ` Ard Biesheuvel
2021-05-12 18:44 ` [PATCH v3 6/7] crypto: arm64/aes-ce " Ard Biesheuvel
2021-05-12 18:44 ` [PATCH v3 7/7] crypto: arm64/aes-ccm - remove non-SIMD fallback path Ard Biesheuvel
2021-05-12 20:11 ` [PATCH v3 0/7] running kernel mode SIMD with softirqs disabled Eric Biggers
2021-05-12 21:31 ` Ard Biesheuvel
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