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From: Ard Biesheuvel <ardb@kernel.org>
To: Eric Biggers <ebiggers@kernel.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
	linux-crypto@vger.kernel.org,  linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	 linux-mips@vger.kernel.org, linux-riscv@lists.infradead.org,
	 linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
	x86@kernel.org,  Jason@zx2c4.com, torvalds@linux-foundation.org
Subject: Re: [PATCH 07/16] crypto: sha512 - replace sha512_generic with wrapper around SHA-512 library
Date: Fri, 13 Jun 2025 09:38:11 +0200	[thread overview]
Message-ID: <CAMj1kXEDCRfCgvtuhRc+a=m1kVt-zkcCqi_=_WOFTmt4Hz2gGg@mail.gmail.com> (raw)
In-Reply-To: <20250613055439.GB163131@sol>

On Fri, 13 Jun 2025 at 07:55, Eric Biggers <ebiggers@kernel.org> wrote:
>
> On Fri, Jun 13, 2025 at 01:38:59PM +0800, Herbert Xu wrote:
> > On Thu, Jun 12, 2025 at 10:36:24PM -0700, Eric Biggers wrote:
> > >
> > > You do know that most of the sha512 asynchronous hash drivers use custom state
> > > formats and not your new one, right?  So your code in ahash_do_req_chain() is
> > > broken for most asynchronous hash drivers anyway.
> >
> > Every driver needs to be converted by hand.  Once a driver has
> > been converted it'll be marked as block-only which activates
> > the fallback path in ahash.
>

Perhaps I am just slow, but could you please explain again what the
point is of all these changes?

Where is h/w accelerated ahash being used to the extent that it
justifies changing all this existing code to accommodate it?

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  reply	other threads:[~2025-06-13  7:51 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-11  2:09 [PATCH 00/16] SHA-512 library functions Eric Biggers
2025-06-11  2:09 ` [PATCH 01/16] crypto: sha512 - rename conflicting symbols Eric Biggers
2025-06-11  2:09 ` [PATCH 02/16] lib/crypto/sha512: add support for SHA-384 and SHA-512 Eric Biggers
2025-06-11  2:09 ` [PATCH 03/16] lib/crypto/sha512: add HMAC-SHA384 and HMAC-SHA512 support Eric Biggers
2025-06-11  2:09 ` [PATCH 04/16] lib/crypto/sha512: add KUnit tests for SHA-384 and SHA-512 Eric Biggers
2025-06-11  2:09 ` [PATCH 05/16] lib/crypto/sha256: add KUnit tests for SHA-224 and SHA-256 Eric Biggers
2025-06-11  2:09 ` [PATCH 06/16] crypto: riscv/sha512 - stop depending on sha512_generic_block_fn Eric Biggers
2025-06-11  2:09 ` [PATCH 07/16] crypto: sha512 - replace sha512_generic with wrapper around SHA-512 library Eric Biggers
2025-06-11  2:24   ` Herbert Xu
2025-06-11  3:39     ` Eric Biggers
2025-06-11  3:46       ` Herbert Xu
2025-06-11  3:58         ` Eric Biggers
2025-06-13  5:36           ` Eric Biggers
2025-06-13  5:38             ` Herbert Xu
2025-06-13  5:54               ` Eric Biggers
2025-06-13  7:38                 ` Ard Biesheuvel [this message]
2025-06-13  8:39                   ` Herbert Xu
2025-06-13 14:51                     ` Eric Biggers
2025-06-13 16:35                     ` Linus Torvalds
2025-06-13  8:51                 ` [PATCH] crypto: ahash - Stop legacy tfms from using the set_virt fallback path Herbert Xu
2025-06-15  3:18                   ` Eric Biggers
2025-06-15  7:22                     ` Ard Biesheuvel
2025-06-15 18:46                       ` Eric Biggers
2025-06-15 19:37                         ` Linus Torvalds
2025-06-16  4:09                     ` [PATCH] crypto: ahash - Fix infinite recursion in ahash_def_finup Herbert Xu
2025-06-11  2:09 ` [PATCH 08/16] lib/crypto/sha512: migrate arm-optimized SHA-512 code to library Eric Biggers
2025-06-11  2:09 ` [PATCH 09/16] lib/crypto/sha512: migrate arm64-optimized " Eric Biggers
2025-06-11  2:09 ` [PATCH 10/16] mips: cavium-octeon: move octeon-crypto.h into asm directory Eric Biggers
2025-06-11  2:09 ` [PATCH 11/16] lib/crypto/sha512: migrate mips-optimized SHA-512 code to library Eric Biggers
2025-06-11  2:09 ` [PATCH 12/16] lib/crypto/sha512: migrate riscv-optimized " Eric Biggers
2025-06-11  2:09 ` [PATCH 13/16] lib/crypto/sha512: migrate s390-optimized " Eric Biggers
2025-06-11  2:09 ` [PATCH 14/16] lib/crypto/sha512: migrate sparc-optimized " Eric Biggers
2025-06-11  2:09 ` [PATCH 15/16] lib/crypto/sha512: migrate x86-optimized " Eric Biggers
2025-06-11  2:09 ` [PATCH 16/16] crypto: sha512 - remove sha512_base.h Eric Biggers

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