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GET /api/patches/2183232/?format=api
{ "id": 2183232, "url": "http://patchwork.ozlabs.org/api/patches/2183232/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260112192035.10427-27-ebiggers@kernel.org/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/", "list_archive_url_format": "https://lore.kernel.org/linuxppc-dev/{}/", "commit_url_format": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}" }, "msgid": "<20260112192035.10427-27-ebiggers@kernel.org>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260112192035.10427-27-ebiggers@kernel.org/", "date": "2026-01-12T19:20:24", "name": "[v2,26/35] crypto: ccp - Use new AES library API", "commit_ref": null, "pull_url": null, "state": "handled-elsewhere", "archived": false, "hash": "b5fc7ecef188c22c0984e8f7da30439b0efddf94", "submitter": { "id": 74690, "url": "http://patchwork.ozlabs.org/api/people/74690/?format=api", "name": "Eric Biggers", "email": "ebiggers@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260112192035.10427-27-ebiggers@kernel.org/mbox/", "series": [ { "id": 488089, "url": "http://patchwork.ozlabs.org/api/series/488089/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=488089", "date": "2026-01-12T19:19:58", "name": "AES library improvements", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/488089/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2183232/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2183232/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-15587-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=c1uZHKet;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=112.213.38.117; helo=lists.ozlabs.org;\n envelope-from=linuxppc-dev+bounces-15587-incoming=patchwork.ozlabs.org@lists.ozlabs.org;\n receiver=patchwork.ozlabs.org)", "lists.ozlabs.org;\n arc=none smtp.remote-ip=172.234.252.31", "lists.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=kernel.org", "lists.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=c1uZHKet;\n\tdkim-atps=neutral", "lists.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org\n (client-ip=172.234.252.31; helo=sea.source.kernel.org;\n envelope-from=ebiggers@kernel.org; receiver=lists.ozlabs.org)" ], "Received": [ "from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4dqj882v3Fz1xpY\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 13 Jan 2026 06:27:52 +1100 (AEDT)", "from boromir.ozlabs.org (localhost [127.0.0.1])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 4dqj3m547Dz3cdT;\n\tTue, 13 Jan 2026 06:24:04 +1100 (AEDT)", "from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 4dqj3l74QYz3cZr\n\tfor <linuxppc-dev@lists.ozlabs.org>; Tue, 13 Jan 2026 06:24:03 +1100 (AEDT)", "from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58])\n\tby sea.source.kernel.org (Postfix) with ESMTP id 677B943483;\n\tMon, 12 Jan 2026 19:23:32 +0000 (UTC)", "by smtp.kernel.org (Postfix) with ESMTPSA id D27E5C2BC86;\n\tMon, 12 Jan 2026 19:23:31 +0000 (UTC)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1768245844;\n\tcv=none;\n b=hFhVosho/dDqYhX2jsXXAACGB06gO0l7uSGiXjAH1DcX3CT9ldEQqARvxa/GETMXsl+w0TQf312LtBadQnjKAN7Mdf+QJujvWFPYhgpTb5VFP//7adpT0mc5H00jpfh7HwDlsJD9+Nks+lwZp71Fjco/EwaYfWED1AZ41svkmXO7Le0DmshZT6DCNfpNxRtqmPF9pzOpmG94hoJjeNGkcWwZ12l//Jf9dDhSWOMfxxCtoxOSiOMpMEqyJzJDoLc4Wa/yHddaDET7FEQUKwY7NS+FMbrcYgzJ7hI/2U4EFkrlzzzANJ8tF3EY0CkPbpa4kNWObTknlHvtvlySNjtA2A==", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707;\n\tt=1768245844; c=relaxed/relaxed;\n\tbh=NNEHoIHgMkf+Lufych2L6AAIed5xBw81xTcBT/gPE1A=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version;\n b=oyfw3UJfn5PjsyV3aqoTIb8bzgAEB0c4ORKvsT5C59OfFfOZfi5gtOm4D1qA4p2jnoE2CKdstksGoFNY+IBHNqbrSnNOUyjBjKnKEMd9YzS0wRW4ekRpC0GKmM32wto8xTFc5ttrTexGUZ2QcvQPoTuj8ZEGUOBrdAqi3yDPgCa2k2gAUOsY4B1QzRIzmZDnPJsrEZctoaZPWCm0r5UZd0TIwQAE4XOsp9Iftz2ukCV/aBdS5LJzEKzI8ENr/hltkjoeP1WIacUShljdVN0LT8nFS8aovLEhtI2Yfb0VKkpLMgOwV9tWr3x3AxUFjOEGiEKWJ862l5KcRsfCISQbxw==", "ARC-Authentication-Results": "i=1; lists.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=kernel.org;\n dkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=c1uZHKet; dkim-atps=neutral;\n spf=pass (client-ip=172.234.252.31; helo=sea.source.kernel.org;\n envelope-from=ebiggers@kernel.org;\n receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1768245812;\n\tbh=WLZZawaQBX35WPW58Hz//ngE+4DAJvp0HQ0I1HlTY/o=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=c1uZHKeto0AfyTDnkpw+maKdeM0KeDm2Q70XvXQU/RpOQN8SKGIlrpmf3qjxTie86\n\t HCNSg4+UvVX3xUSdbQVP8xeeOQMJoQg1DuN+j3Q7uMn1pi8833mHKQsAMJKHJ/r0co\n\t Cp9t7NfmIB9UcWHN7L1swZLb2Bt1wDVrX1d7fqpuqdvA8b11taUYiaKgJY13HpgOwo\n\t UqE27wAEUeCRcKwzQPZMRSqiSF3OIPD11Gu7aUrpUal/Qv2Wf/u6wG8DO8SrVskdHr\n\t mp5bV4KfXC90NInEuREpltxcfpeZYFO7VWCjJqaaviHvltHYdOmLgxI6z8RRKbwvRF\n\t Fm8EGShrZgCLg==", "From": "Eric Biggers <ebiggers@kernel.org>", "To": "linux-crypto@vger.kernel.org", "Cc": "linux-kernel@vger.kernel.org,\n\tArd Biesheuvel <ardb@kernel.org>,\n\t\"Jason A . Donenfeld\" <Jason@zx2c4.com>,\n\tHerbert Xu <herbert@gondor.apana.org.au>,\n\tlinux-arm-kernel@lists.infradead.org,\n\tlinuxppc-dev@lists.ozlabs.org,\n\tlinux-riscv@lists.infradead.org,\n\tlinux-s390@vger.kernel.org,\n\tsparclinux@vger.kernel.org,\n\tx86@kernel.org,\n\tHolger Dengler <dengler@linux.ibm.com>,\n\tHarald Freudenberger <freude@linux.ibm.com>,\n\tEric Biggers <ebiggers@kernel.org>", "Subject": "[PATCH v2 26/35] crypto: ccp - Use new AES library API", "Date": "Mon, 12 Jan 2026 11:20:24 -0800", "Message-ID": "<20260112192035.10427-27-ebiggers@kernel.org>", "X-Mailer": "git-send-email 2.52.0", "In-Reply-To": "<20260112192035.10427-1-ebiggers@kernel.org>", "References": "<20260112192035.10427-1-ebiggers@kernel.org>", "X-Mailing-List": "linuxppc-dev@lists.ozlabs.org", "List-Id": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev+help@lists.ozlabs.org>", "List-Owner": "<mailto:linuxppc-dev+owner@lists.ozlabs.org>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Archive": "<https://lore.kernel.org/linuxppc-dev/>,\n <https://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Subscribe": "<mailto:linuxppc-dev+subscribe@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org>", "List-Unsubscribe": "<mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org>", "Precedence": "list", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Spam-Status": "No, score=-0.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED,\n\tDKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS\n\tautolearn=disabled version=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "Switch from the old AES library functions (which use struct\ncrypto_aes_ctx) to the new ones (which use struct aes_enckey). This\neliminates the unnecessary computation and caching of the decryption\nround keys. The new AES en/decryption functions are also much faster\nand use AES instructions when supported by the CPU.\n\nNote that in addition to the change in the key preparation function and\nthe key struct type itself, the change in the type of the key struct\nresults in aes_encrypt() (which is temporarily a type-generic macro)\ncalling the new encryption function rather than the old one.\n\nAcked-by: Ard Biesheuvel <ardb@kernel.org>\nSigned-off-by: Eric Biggers <ebiggers@kernel.org>\n---\n drivers/crypto/ccp/ccp-crypto-aes-cmac.c | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)", "diff": "diff --git a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c\nindex d8426bdf3190..71480f7e6f6b 100644\n--- a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c\n+++ b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c\n@@ -259,11 +259,11 @@ static int ccp_aes_cmac_setkey(struct crypto_ahash *tfm, const u8 *key,\n \tstruct ccp_ctx *ctx = crypto_ahash_ctx_dma(tfm);\n \tstruct ccp_crypto_ahash_alg *alg =\n \t\tccp_crypto_ahash_alg(crypto_ahash_tfm(tfm));\n \tu64 k0_hi, k0_lo, k1_hi, k1_lo, k2_hi, k2_lo;\n \tu64 rb_hi = 0x00, rb_lo = 0x87;\n-\tstruct crypto_aes_ctx aes;\n+\tstruct aes_enckey aes;\n \t__be64 *gk;\n \tint ret;\n \n \tswitch (key_len) {\n \tcase AES_KEYSIZE_128:\n@@ -282,11 +282,11 @@ static int ccp_aes_cmac_setkey(struct crypto_ahash *tfm, const u8 *key,\n \n \t/* Set to zero until complete */\n \tctx->u.aes.key_len = 0;\n \n \t/* Set the key for the AES cipher used to generate the keys */\n-\tret = aes_expandkey(&aes, key, key_len);\n+\tret = aes_prepareenckey(&aes, key, key_len);\n \tif (ret)\n \t\treturn ret;\n \n \t/* Encrypt a block of zeroes - use key area in context */\n \tmemset(ctx->u.aes.key, 0, sizeof(ctx->u.aes.key));\n", "prefixes": [ "v2", "26/35" ] }