From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 7938B46DCD; Tue, 26 Aug 2025 16:49:43 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id CC06D4065B; Tue, 26 Aug 2025 16:49:34 +0200 (CEST) Received: from mail-wm1-f53.google.com (mail-wm1-f53.google.com [209.85.128.53]) by mails.dpdk.org (Postfix) with ESMTP id 0B74140647 for ; Tue, 26 Aug 2025 16:49:32 +0200 (CEST) Received: by mail-wm1-f53.google.com with SMTP id 5b1f17b1804b1-45a1b0c82eeso49123855e9.3 for ; Tue, 26 Aug 2025 07:49:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1756219772; x=1756824572; 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=qFPNyr3M1BIfkSOy7qF9qjUAbUSqNEASTkdWqj+E1k8=; b=vETd+mDBYHW95+UfmOMzYT4wpnhUyi90xD6qmwLjh+YujkLWtQ7dOtU+yZNrEFoPXV Wy2k/uBViSXB5Z1e6EF1F5mCZ8OuWMpUSvS4JnuJxFvIb8UPczQqAKsDykoVF1L/0RuZ GMr9eyEvbe+9bJKxL+gXPvvtsAuWHoyh3MHH3grjLW4Qm6MC+mTAYcbCBuWVXMwNXsrh pXFrMJAgVXoe9lnliQKLecjZVD207PYfjSdBorKUyV/e04h+8uuvczoSeknmrujPvyXW /D2IvtVJSzPWwN5iWnrIMhJK7kv2lx67X4WTfHjgdHCqMNBHbJrhO+zMdj/ib0GZPvHL zwUg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756219772; x=1756824572; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=qFPNyr3M1BIfkSOy7qF9qjUAbUSqNEASTkdWqj+E1k8=; b=H3elwZfTHDDz3WHonw8u2J0O1gmyyl2ALM+erdVbnSlwxAtyOblB7+R84wly+QjvuP LeIBs6HVLXOVpzx5D60wbm5Y++PkLMkArg0gVT1j0r1EJkVjUJzVowbHhyT4NMZ1Ki+b Eb9WHkdQZK60FqeCDkSU7xrexRfJz4y+LuxCSxNvTgM/mZ2w/aT1878s4sMxfwXK1lR2 oYvnZddBJLOQghND7nPVMgYOsKVpyMyaWjLlTtvG/xSEjT8UddX/kPAGbPSPRyGuG/g0 JI1vPFDhz5rvHFLHAfaxFOyFSar1Bcltoy1I2Rig3RQCDkC3Tnm5sX9dI/G+ccZHfgw+ Q93A== X-Gm-Message-State: AOJu0YxvfTC/VBWk+1n+ge6EXim0Sfjgi/++i2HkInHPfIz8QzGVS/+K csjgNpR8IdHI0i2soeeRwsnrntFZC8Y8A3ZPxNmIdnyvZXtRHB2yv9UKseUiW3a05H93DOBFX9e 5VDr7 X-Gm-Gg: ASbGncsKdxDNw4p273Dk+m4s34APzMW/MUub5LLkA4dYMlPP7yYDP9a+t7+VbomP6+t llWSc2SCIUfCrFUZUVqXUB4iS8jl/g/Kl/sz1dGUXotVZDzrracnU3ElDcUU5FEJe6KG0GE2OV+ ERwb3RIsDp1xTZQz6wndwzBBxPLkYR4RP+Mixnbsni3KmZ23SUr8qlJeN+vi6DsfDm0gdjmrs1x bzBQnOeSknyz/cAG574CqziVGRdZi0QiBkNdg7xPqT+dTYD+kdMClZrMt+g5u/kXqNj7MPKFV8K 0YlRV05F7kngyucaQ41fQtZtQjhirZkF+pdtNyQ3nnus43AGL81+/9z/eNiX6LnOwgFQmkKQLew gDviGKmnfaaV12q9UFCSIhJDYefRpWPuJQiLojWbF/GQNLSbS8+afiAWUUOL+zw6k3irm/tTP X-Google-Smtp-Source: AGHT+IEWI2oWUc7X9cLMzJRIybSy9QCaDKadstdMDh2Wc8osTdRlHyNdlY7SAnnKaGvsDP7+eoy9eA== X-Received: by 2002:a05:600c:354f:b0:456:18ca:68db with SMTP id 5b1f17b1804b1-45b6a31a192mr6675945e9.8.1756219771639; Tue, 26 Aug 2025 07:49:31 -0700 (PDT) Received: from hermes.lan (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45b57492459sm154566785e9.18.2025.08.26.07.49.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Aug 2025 07:49:31 -0700 (PDT) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , =?UTF-8?q?Morten=20Br=C3=B8rup?= , Yipeng Wang , Sameh Gobriel , Bruce Richardson , Vladimir Medvedkin Subject: [PATCH v3 2/4] hash: use static_assert Date: Tue, 26 Aug 2025 07:48:29 -0700 Message-ID: <20250826144922.74010-3-stephen@networkplumber.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250826144922.74010-1-stephen@networkplumber.org> References: <20250818233102.180207-1-stephen@networkplumber.org> <20250826144922.74010-1-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 16fe999c4c..90fda7d7e0 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 -- 2.47.2