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 B4F9B21CC47; Tue, 8 Jul 2025 18:14:10 +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=1751998450; cv=none; b=aUsKEXQNOPVL+yGkx3BQjhgFG72kTezji5aFYi3iZtAPLJzsb6S56w3JlkkkUeOrbMmgKYZ9/mdOPmS6ruBkPl8NYSMeRyQHG38r9k/zoCZmraKt+AzC/PZRpzULE3V14cFjmk4vhVnJVA8GCJfxy2QjNiaaQR95JeIbs+hBuo8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751998450; c=relaxed/simple; bh=jvHDiPD2nNW76WlUGqlnLD7ew9f5nj0TUxpArZtudsQ=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=VqMmUj7/QvMM0VJHQyC6RDw0k6mezXLvuDGhj5P7GG2BcLYQABppNCX8zeoAjVaOVrmVROLoUVH6Cy+jSdxOgR2qNVI6bmHZ35VevqGZG8cJo7Xv5SEKOuBPqPJ8wyoqvvaZEe/vS2D+HqAo7mSEVDP+E/Rtx2k6v3A2hJKODxk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VgM1+I3e; 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="VgM1+I3e" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 08647C4CEED; Tue, 8 Jul 2025 18:14:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751998450; bh=jvHDiPD2nNW76WlUGqlnLD7ew9f5nj0TUxpArZtudsQ=; h=From:To:Cc:Subject:Date:From; b=VgM1+I3eFBT0IBmUc5BOTBIhYyThXXiDllR1bJ7Xw1HGKrBabn/RHajszDkib+se+ vmWKMKBQY7SDRPnUpAokBe1FgaiLREIcI3gIP7yOF4H/RDVVxpbyo6TTb86L5N8OYa 9DAYvafwcmDFNRVBDF7kktwEwt7uDc/iPEovdwl4h1hrQyyFGJnPckBwkmZoIrb0lV ql6tB9KiBYFMNu0IOmXIRtXiBPKWLBIvkmB6PJ6XqXbhDBuKbv644akVvHhlwihg4n 8QJV1jhttR5eNDLIq/Q1fhdKlOLV6JPUANOrUwuzwAvjD8q+otC2l+Zrn29O2vhUh6 PF1dDZbJZVHrg== From: Eric Biggers To: linux-fscrypt@vger.kernel.org Cc: Yuwen Chen , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, Eric Biggers Subject: [PATCH 0/3] fscrypt: Switch to sync_skcipher and on-stack requests Date: Tue, 8 Jul 2025 11:13:10 -0700 Message-ID: <20250708181313.66961-1-ebiggers@kernel.org> X-Mailer: git-send-email 2.50.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Simplify the code and eliminate per-encryption-op dynamic memory allocations by switching from crypto_skcipher to crypto_sync_skcipher, and from dynamic request allocation to SYNC_SKCIPHER_REQUEST_ON_STACK. Previously, this change would have made the x86 accelerated AES code no longer be used, which would have been very bad. However, I fixed that in 6.16. So we can make this simplification now. This patchset applies to fscrypt/for-next. The base-commit (listed below) can be found in next-20250708 Eric Biggers (3): fscrypt: Don't use asynchronous CryptoAPI algorithms fscrypt: Drop FORBID_WEAK_KEYS flag for AES-ECB fscrypt: Switch to sync_skcipher and on-stack requests fs/crypto/crypto.c | 27 ++++++---------- fs/crypto/fname.c | 63 +++++++++++++------------------------ fs/crypto/fscrypt_private.h | 7 +++-- fs/crypto/keysetup.c | 23 +++++++------- fs/crypto/keysetup_v1.c | 56 +++++++++++++++------------------ 5 files changed, 71 insertions(+), 105 deletions(-) base-commit: b41c1d8d07906786c60893980d52688f31d114a6 -- 2.50.0