From mboxrd@z Thu Jan 1 00:00:00 1970 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 mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id EACA5E6BF10 for ; Fri, 30 Jan 2026 20:23:45 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 818224060C; Fri, 30 Jan 2026 21:23:36 +0100 (CET) Received: from mail-wm1-f67.google.com (mail-wm1-f67.google.com [209.85.128.67]) by mails.dpdk.org (Postfix) with ESMTP id 700D1402E0 for ; Fri, 30 Jan 2026 21:23:34 +0100 (CET) Received: by mail-wm1-f67.google.com with SMTP id 5b1f17b1804b1-480142406b3so19127375e9.1 for ; Fri, 30 Jan 2026 12:23:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1769804614; x=1770409414; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ruI3t6YflyASiwFxzpzXXOMKdvUphBuZjBQv2KMeRLw=; b=prvBedm6h4b6Zfjl8KmLU/7/fdwU6y30cvvllRidH7QIMSfrE8YR2RY/Tz+9EaYvXI pGcklmzIQkD1Rs8jYPOotJXzrYWo5bOZ9EKtbsvfhTc+Q780+7Dr1qc9UrAW47un781E Clyq2/A53PCRQp3kOA0Er3B+iJ1HcKRMZNVU9UbsXxXyMR78gKMYsVXjkleyGjwDAj1g n98UNdzodEAx3x+RpZ+/fwyboPaMMECoIIKYXGHtQbvtKPj4JZad0z8eKfRnA9SPTG5X MXbSInwm1d9P7u3qaUQve7yXC4bv/jvEzHZfxFJDnEBSCMNsd/URKxWOn/UIWLRoeJTV RrIw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769804614; x=1770409414; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=ruI3t6YflyASiwFxzpzXXOMKdvUphBuZjBQv2KMeRLw=; b=Ty3Ehnm6/Bpc89cHacSJnAS3xPo2b4DGkARN6CMIbVChsIPABF53sE983H4SeAJlrj 1KLxvL3ersKtn/VGHReJuKdC5mHiigLeVZ+a3sFfeIuN6KIg20UwZQtPuT3BIrFrA1Gl Hf4GBCaR2oZK/s7lAg774aL1m/4e0Ahcqc/wc8Ik+ITXneOhpkf5d47T8ajqpnD8h+Ll Dr/KBGyHtuUvs50OcSq3XO2qVz7P9dURDrvhaUEjYNz1UI+q/CwMWw+6xzLjXKea+qon bGa+mU6P9LCfnKGpKV2XY4BwgjW+aZ75lcXwAi7bP3e5b7VvrAQwQjNvLKvC7QPw4PGE 6GWA== X-Gm-Message-State: AOJu0YwMl572Gng0vLU4mhytZP5wZ2ygUk1UZuWTrfSftDcO+4yM3pZY yrDgcJIzvx7nNZhvx9ivfE5m9v0wYEdlxJx+lxTLESK97QHGIi/F+cSopLS32DXACrVJ6Dwrlhi L2Rw7y5I= X-Gm-Gg: AZuq6aJtCD5SsdzdUvQfE3up+KT+z2kNxN2jAyQpdDA5zRA2Tsj5S9iMxRXjkE8Iuog aT0txvXASPcjO2CJFDpVP8ykiFekVPKREO5+14NvoCc0gOhxplyg7OSXc2d9aJzO8GATpOEvR6u yTsA2aaoOnpIv1TEDCQBHG65spt6jMeKatkE1GArWnZSt7YGntKAIsWgfbnq4JpTIg1qQ1/K+/0 vBrTJFYcEs/8kFd7OQhfT2Kx7j0oCInV0vF9hDF1NCjYIvh35+cmlFLo2CqHNmPdjs9NSHwxSBC AwbediTTzmVNI7cfW/U7v8L0R4WbznIr0Rx4lWjWh9FJcJwIrwQ3B4lXU+N7fNmy1HQXq55kOEw XHQ7Tye4M6wowxs1Rrrk0ZYxJqOEzxjdxsEWdbc3MqIjMUkhZYGtMuTVJiwHHmTaiMztT3mPG2u fFL8hOsTy/Z8jIaPv/a7A3+5AHPeLzVJ1kugrRRCTtXSVoCZ3hvw== X-Received: by 2002:a05:600c:34c1:b0:47e:e2ec:9947 with SMTP id 5b1f17b1804b1-482db491eecmr53756005e9.33.1769804614008; Fri, 30 Jan 2026 12:23:34 -0800 (PST) Received: from phoenix.lan (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-482e04c13a2sm23799065e9.5.2026.01.30.12.23.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Jan 2026 12:23:33 -0800 (PST) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , =?UTF-8?q?Morten=20Br=C3=B8rup?= Subject: [PATCH v5 2/7] hash: use static_assert Date: Fri, 30 Jan 2026 12:21:52 -0800 Message-ID: <20260130202324.37485-3-stephen@networkplumber.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260130202324.37485-1-stephen@networkplumber.org> References: <20250818233102.180207-1-stephen@networkplumber.org> <20260130202324.37485-1-stephen@networkplumber.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Now that static_assert is available, better than pre-processor use of #if condition. Signed-off-by: Stephen Hemminger Acked-by: Morten Brørup --- lib/hash/rte_cuckoo_hash.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/lib/hash/rte_cuckoo_hash.h b/lib/hash/rte_cuckoo_hash.h index 5b3c51348e..919140ac1c 100644 --- a/lib/hash/rte_cuckoo_hash.h +++ b/lib/hash/rte_cuckoo_hash.h @@ -24,9 +24,8 @@ */ #define RTE_HASH_BUCKET_ENTRIES 8 -#if !RTE_IS_POWER_OF_2(RTE_HASH_BUCKET_ENTRIES) -#error RTE_HASH_BUCKET_ENTRIES must be a power of 2 -#endif +static_assert(RTE_IS_POWER_OF_2(RTE_HASH_BUCKET_ENTRIES), + "RTE_HASH_BUCKET_ENTRIES must be a power of 2"); #define NULL_SIGNATURE 0 -- 2.51.0