From patchwork Wed Oct 12 21:59:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Elliott, Robert (Servers)" X-Patchwork-Id: 13005473 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8378CC4332F for ; Wed, 12 Oct 2022 22:01:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230037AbiJLWBQ (ORCPT ); Wed, 12 Oct 2022 18:01:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229989AbiJLWAa (ORCPT ); Wed, 12 Oct 2022 18:00:30 -0400 Received: from mx0b-002e3701.pphosted.com (mx0b-002e3701.pphosted.com [148.163.143.35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 73F8C4DF36; Wed, 12 Oct 2022 15:00:16 -0700 (PDT) Received: from pps.filterd (m0134425.ppops.net [127.0.0.1]) by mx0b-002e3701.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 29CLWO6L026058; Wed, 12 Oct 2022 22:00:05 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hpe.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pps0720; bh=o8FuU3Q+uLfzqaV74fBLQi/WP+5rrgR7yOITBPlHv9o=; b=L81HtriDA4ZqbzWE5F/tsLihXXg4BeQt5qvnjLtJXuS1UNmP+ulHHdSDC2awfQ/CLUf5 o5xSjQbOULwBd+N9+CE2+OibN8bbtyIgWut6F3py4AdA5oztgtJFfl1APsiClotthErQ wY+gZtpOUoAR+ftNeksN8Rddo9sWCLNVTqOgaM1hSo5cyG+hWAhUYgdk6zLEx2Oh9Y6l NKx9uYJzrB4P2M0YMtKtRXvQXpTrlRPM7BOFssN23S6bwMFeSpy365LhEzpy/IakgeFV iGnBjRUmES2QNsGs83FQ9V9lnKTR/T19XqFWKLAD2G8bfeZ/uU+eQ7Eed+epc3Knsq5c HQ== Received: from p1lg14878.it.hpe.com (p1lg14878.it.hpe.com [16.230.97.204]) by mx0b-002e3701.pphosted.com (PPS) with ESMTPS id 3k657c8abj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 12 Oct 2022 22:00:05 +0000 Received: from p1lg14885.dc01.its.hpecorp.net (unknown [10.119.18.236]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by p1lg14878.it.hpe.com (Postfix) with ESMTPS id 4299213965; Wed, 12 Oct 2022 22:00:04 +0000 (UTC) Received: from adevxp033-sys.us.rdlabs.hpecorp.net (unknown [16.231.227.36]) by p1lg14885.dc01.its.hpecorp.net (Postfix) with ESMTP id D23D28038C2; Wed, 12 Oct 2022 22:00:03 +0000 (UTC) From: Robert Elliott To: herbert@gondor.apana.org.au, davem@davemloft.net, tim.c.chen@linux.intel.com, ap420073@gmail.com, ardb@kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Robert Elliott Subject: [PATCH v2 13/19] crypto: x86/ghash - load based on CPU features Date: Wed, 12 Oct 2022 16:59:25 -0500 Message-Id: <20221012215931.3896-14-elliott@hpe.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20221012215931.3896-1-elliott@hpe.com> References: <20221006223151.22159-1-elliott@hpe.com> <20221012215931.3896-1-elliott@hpe.com> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: 5USlLj6klF6wOtLmvXZJ3Frf8jg5Io-U X-Proofpoint-GUID: 5USlLj6klF6wOtLmvXZJ3Frf8jg5Io-U X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-10-12_11,2022-10-12_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 impostorscore=0 suspectscore=0 bulkscore=0 adultscore=0 phishscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 mlxscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2210120138 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Like commit aa031b8f702e ("crypto: x86/sha512 - load based on CPU features"), these x86-optimized crypto modules already have module aliases based on CPU feature bits: ghash Rename the unique device table data structure to a generic name so the code has the same pattern in all the modules. This commit covers modules that created rcu stall issues due to kernel_fpu_begin/kernel_fpu_end calls. Signed-off-by: Robert Elliott --- arch/x86/crypto/ghash-clmulni-intel_glue.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/crypto/ghash-clmulni-intel_glue.c b/arch/x86/crypto/ghash-clmulni-intel_glue.c index a39fc405c7cf..69945e41bc41 100644 --- a/arch/x86/crypto/ghash-clmulni-intel_glue.c +++ b/arch/x86/crypto/ghash-clmulni-intel_glue.c @@ -327,17 +327,17 @@ static struct ahash_alg ghash_async_alg = { }, }; -static const struct x86_cpu_id pcmul_cpu_id[] = { +static const struct x86_cpu_id module_cpu_ids[] = { X86_MATCH_FEATURE(X86_FEATURE_PCLMULQDQ, NULL), /* Pickle-Mickle-Duck */ {} }; -MODULE_DEVICE_TABLE(x86cpu, pcmul_cpu_id); +MODULE_DEVICE_TABLE(x86cpu, module_cpu_ids); static int __init ghash_pclmulqdqni_mod_init(void) { int err; - if (!x86_match_cpu(pcmul_cpu_id)) + if (!x86_match_cpu(module_cpu_ids)) return -ENODEV; err = crypto_register_shash(&ghash_alg);