From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linux Crypto Mailing List <linux-crypto@vger.kernel.org>,
netdev <netdev@vger.kernel.org>,
WireGuard mailing list <wireguard@lists.zx2c4.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
bpf <bpf@vger.kernel.org>, Theodore Tso <tytso@mit.edu>,
Greg KH <gregkh@linuxfoundation.org>,
Jean-Philippe Aumasson <jeanphilippe.aumasson@gmail.com>,
Ard Biesheuvel <ardb@kernel.org>,
Herbert Xu <herbert@gondor.apana.org.au>
Subject: Re: [PATCH crypto v3 0/2] reduce code size from blake2s on m68k and other small platforms
Date: Wed, 12 Jan 2022 14:18:34 +0100 [thread overview]
Message-ID: <CAHmME9rxdksVZkN4DF_GabsEPrSDrKbo1cVQs77B_s-e2jZ64A@mail.gmail.com> (raw)
In-Reply-To: <CAMuHMdUcJN_ZZLnx8TuhoXYV1DAKK9NsXjH2M0xAdn9JTS16wA@mail.gmail.com>
Hi Geert,
On Wed, Jan 12, 2022 at 12:00 PM Geert Uytterhoeven
<geert@linux-m68k.org> wrote:
> Thanks for the series!
>
> On m68k:
> add/remove: 1/4 grow/shrink: 0/1 up/down: 4/-4232 (-4228)
> Function old new delta
> __ksymtab_blake2s256_hmac 12 - -12
> blake2s_init.constprop 94 - -94
> blake2s256_hmac 302 - -302
> sha1_transform 4402 582 -3820
> Total: Before=4230537, After=4226309, chg -0.10%
>
> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Excellent, thanks for the breakdown. So this shaves off ~4k, which was
about what we were shooting for here, so I think indeed this series
accomplishes its goal of counteracting the addition of BLAKE2s.
Hopefully Herbert will apply this series for 5.17.
Jason
next prev parent reply other threads:[~2022-01-12 13:22 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAHmME9qbnYmhvsuarButi6s=58=FPiti0Z-QnGMJ=OsMzy1eOg@mail.gmail.com>
2022-01-11 13:49 ` [PATCH crypto 0/2] smaller blake2s code size " Jason A. Donenfeld
2022-01-11 13:49 ` [PATCH crypto 1/2] lib/crypto: blake2s-generic: reduce code size on small systems Jason A. Donenfeld
2022-01-12 10:57 ` Geert Uytterhoeven
2022-01-12 13:16 ` Jason A. Donenfeld
2022-01-12 18:31 ` Eric Biggers
2022-01-12 18:50 ` Jason A. Donenfeld
2022-01-12 21:27 ` David Laight
2022-01-12 22:00 ` Jason A. Donenfeld
2022-01-11 13:49 ` [PATCH crypto 2/2] lib/crypto: blake2s: move hmac construction into wireguard Jason A. Donenfeld
2022-01-11 14:43 ` Ard Biesheuvel
2022-01-12 18:35 ` Eric Biggers
2022-01-11 18:10 ` [PATCH crypto v2 0/2] reduce code size from blake2s on m68k and other small platforms Jason A. Donenfeld
2022-01-11 18:10 ` [PATCH crypto v2 1/2] lib/crypto: blake2s: move hmac construction into wireguard Jason A. Donenfeld
2022-01-11 18:10 ` [PATCH crypto v2 2/2] lib/crypto: sha1: re-roll loops to reduce code size Jason A. Donenfeld
2022-01-11 22:05 ` [PATCH crypto v3 0/2] reduce code size from blake2s on m68k and other small platforms Jason A. Donenfeld
2022-01-11 22:05 ` [PATCH crypto v3 1/2] lib/crypto: blake2s: move hmac construction into wireguard Jason A. Donenfeld
2022-01-11 22:05 ` [PATCH crypto v3 2/2] lib/crypto: sha1: re-roll loops to reduce code size Jason A. Donenfeld
2022-01-12 10:59 ` [PATCH crypto v3 0/2] reduce code size from blake2s on m68k and other small platforms Geert Uytterhoeven
2022-01-12 13:18 ` Jason A. Donenfeld [this message]
2022-01-18 6:42 ` Herbert Xu
2022-01-18 11:43 ` Jason A. Donenfeld
2022-01-18 12:44 ` David Laight
2022-01-18 12:50 ` Jason A. Donenfeld
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