From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 79CE4257858; Tue, 9 Sep 2025 23:16:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757459786; cv=none; b=LZseyolNvDt4fBwnzDIeH9hLXgcbNZL2IpkdPMtaK8b10iSrA6ywRYKzyzg6cI1vnLPIz/AmVnmEvhw925pXYqTWRlmBEZcjRaZdbpWORnkPwjZQeSbJqwPWIiYjacvbo9l10VGkjnaw0JqSF77FtnW3vwAOlaFX8hrVpzars6c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757459786; c=relaxed/simple; bh=uqkl7Px7tQkx+fKrwIt2Uqmlnhb6p4SSaE3Pe0nxwhI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=RChbdVAhx3XuIFuiIB5H/FrUmZm4FnWCqzUnvHBZ5uo/zMfBd2JBEYmU/vBda75RMl2HBSuJ9XvKSRlZo3ljso4EOOTm8MRLuGEjsR8CQa3ISKpxi16qsoXUmlDO7gn3a4luFJOi8iKymHel6dm07TbWwACm5Yymokb75Z61674= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ouJB0jh0; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ouJB0jh0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A46D4C4CEF4; Tue, 9 Sep 2025 23:16:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757459786; bh=uqkl7Px7tQkx+fKrwIt2Uqmlnhb6p4SSaE3Pe0nxwhI=; h=From:To:Cc:Subject:Date:From; b=ouJB0jh0FsjExT9I3J6SGM16P/1zDElKVGEkWy8viHBigYezpQt/NFUeHoVk15zVy MQ3Vz53cyyffdBkfqLDiZV0Vq/Rhjzfg4b3FBwRF6EZByTA8wuY0UCgDRO7NYVckdB /AohO5bq8KC3gVGqRR0BbGDJ7Bjl5KtpwksKSVftjo8WpNQzXZR/aBV5l3nBSDHREV Y2+tH+nssP2ITuV92napcx+6pUTfETyumICjwQNdKhrQQi85+25BQNz6XK+sL8i5sL xtj791CElTpczOpWDMJs8ofKmNRaZWdNL0vxI59JDLoldHQabq4hHy3FpAupdo2ItH dVZKl5tzVfOxA== From: Eric Biggers To: linux-crypto@vger.kernel.org, fsverity@lists.linux.dev Cc: linux-kernel@vger.kernel.org, Ard Biesheuvel , "Jason A . Donenfeld" , x86@kernel.org, Sami Tolvanen , Mikulas Patocka , linux-arm-kernel@lists.infradead.org, Eric Biggers Subject: [PATCH 0/6] Optimize fsverity using 2-way interleaved SHA-256 hashing Date: Tue, 9 Sep 2025 16:13:20 -0700 Message-ID: <20250909231326.1074672-1-ebiggers@kernel.org> X-Mailer: git-send-email 2.50.1 Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series is targeting libcrypto-next. It can also be retrieved from: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git sha256_finup_2x-v1 This series adds support for 2-way interleaved SHA-256 hashing to lib/crypto/, implements it for arm64 and x86_64, and makes fsverity use it. This significantly improves fsverity performance on many CPUs. Later patches will make dm-verity use this optimization as well. Eric Biggers (6): lib/crypto: sha256: Add support for 2-way interleaved hashing lib/crypto: arm64/sha256: Add support for 2-way interleaved hashing lib/crypto: x86/sha256: Add support for 2-way interleaved hashing lib/crypto: tests: Add tests and benchmark for sha256_finup_2x() fsverity: Remove inode parameter from fsverity_hash_block() fsverity: Use 2-way interleaved SHA-256 hashing when supported fs/verity/enable.c | 12 +- fs/verity/fsverity_private.h | 2 +- fs/verity/hash_algs.c | 3 +- fs/verity/verify.c | 175 ++++++++++++--- include/crypto/sha2.h | 24 +++ lib/crypto/arm64/sha256-ce.S | 281 +++++++++++++++++++++++- lib/crypto/arm64/sha256.h | 37 ++++ lib/crypto/sha256.c | 66 +++++- lib/crypto/tests/sha256_kunit.c | 184 ++++++++++++++++ lib/crypto/x86/sha256-ni-asm.S | 368 ++++++++++++++++++++++++++++++++ lib/crypto/x86/sha256.h | 39 ++++ 11 files changed, 1136 insertions(+), 55 deletions(-) base-commit: 54e7bb6ade8acd3fb1c486c9f3e2c0dfdc18f84e -- 2.50.1