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[2620:137:e000::1:20]) by mx.google.com with ESMTP id u8-20020a509508000000b00418c2b5bf04si2009658eda.486.2022.04.13.08.56.34; Wed, 13 Apr 2022 08:57:02 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=OzV3hlmH; spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236062AbiDMOTN (ORCPT + 99 others); Wed, 13 Apr 2022 10:19:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60228 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235971AbiDMOTM (ORCPT ); Wed, 13 Apr 2022 10:19:12 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id D5F2661A3F for ; Wed, 13 Apr 2022 07:16:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1649859404; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=CP0hKdNBKFA3C6vNpQyMC9BfObsY0/nex9TqHmZbQhw=; b=OzV3hlmHct3OHFWaeJa7jpXtek+bQ84Q1vtmTQrPgK/JVpRNbfkp9jrMFFF8LzXuEeWrtw pWiNVKMIVux1FDTZ0PqmQL9aAeN6kDcM5PLSmEB/tpl49L3q4IRBD5KBHHJmlWugHzF172 AYaPAVaNfpekMNHUcSVDaM1EwpcDKSA= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-307-_MI3sLHiNyq4HSXbyiFXuw-1; Wed, 13 Apr 2022 10:16:40 -0400 X-MC-Unique: _MI3sLHiNyq4HSXbyiFXuw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 3EB2086B8A1; Wed, 13 Apr 2022 14:16:39 +0000 (UTC) Received: from rules.brq.redhat.com (unknown [10.40.208.43]) by smtp.corp.redhat.com (Postfix) with ESMTP id E77339E63; Wed, 13 Apr 2022 14:16:33 +0000 (UTC) From: Vladis Dronov To: vdronov@redhat.com, Sunil Goutham , Bharat Bhushan , Joseph Longever , Herbert Xu , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/2] hwrng: cn10k - Optimize random number generator driver Date: Wed, 13 Apr 2022 16:16:04 +0200 Message-Id: <20220413141606.8261-1-vdronov@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Hi, I'm suggesting couple of tweaks and fixes for the CN10K Random Number Generator driver. Main points are: fix a logic, optimize a loop and make an error message more informative. Vladis Dronov (2): hwrng: cn10k - Optimize cn10k_rng_read() hwrng: cn10k - Make check_rng_health() return an error code drivers/char/hw_random/cn10k-rng.c | 31 +++++++++++++++++-------------- 1 file changed, 17 insertions(+), 14 deletions(-)