From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ed1-f50.google.com (mail-ed1-f50.google.com [209.85.208.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 03D532165EA for ; Thu, 22 Jan 2026 12:26:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.50 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769084768; cv=none; b=C3Nm0ratZSHkKAK2askiGIBVPdTS1E8vHDjrs7QCL6KRgWzr9eFuYLDkcLQa6VGtS7RPQEP5B4aT9YBy8cExUAXyUBidq9o6JnTbGDP0+Kz7rhkmBDpCwJv5hny5bGTB5ezY3NWtn3ufF+z5bc3b05itlEUzi+Ie3lb7KWMhBZc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769084768; c=relaxed/simple; bh=o1a0s6yqxdzNssBJ8GLz4MYX+xieOSENOccN8XZK4Xc=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ZZrErnG2Wl6XWThusRTYcS4sQVu56Q+sqjvMei9+IfjJNb1OsbKhfCNiFiqxykAh8aCHvWm1sl2WwOmtij4bt6vfnj1n4MYO6/qqUi+tQDXl73IcVgeONLCl+4GSGie8UYMtrHMMI5RnYRR9+41+jyjL9+qHE02cbe1cPnShsB8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=UWKtGnql; arc=none smtp.client-ip=209.85.208.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UWKtGnql" Received: by mail-ed1-f50.google.com with SMTP id 4fb4d7f45d1cf-64b9dfc146fso1528608a12.0 for ; Thu, 22 Jan 2026 04:26:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1769084763; x=1769689563; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=UvVMyc7Izyekg4erNbUiI7MR1H3oQdShyZ4b768kWrQ=; b=UWKtGnqlWshNPMDBU1v55/4f+yf0INk6Nmy3YKYrSFm1TCof0PMAe6eOQI8mTszuQo VHXaVqzrNO1Ylc0JilhPBV2ZaZ48Z4p1jkiZ2YwzZD2S2oTZEfoG7ld3jLj8nxjjDyNN XRxTxFKWMaXimFBlrNmW2smn7imjZ+jGa90s1K+K0W2YHqxBqcV+mtFnDOwbtKjpvS4G kBW8SzruUmKSisKOZL7C0MEp6T669Mp/cFf/zSUDCSiXv5zAaz8XWxDNj2BxHzJGKkc4 qlcEC8mDhlcJkW6JmA0XvxTYwmWSECDMEe5QmuiqylNui2S4wTY2mpBDMsphHPfEI9i6 lo9A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769084763; x=1769689563; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=UvVMyc7Izyekg4erNbUiI7MR1H3oQdShyZ4b768kWrQ=; b=HQS3SbuBr9d7cZmiCj/YA4AeMyt32nWljffYFVsjk10w+YnXRV/hyaQEBjCnZSsFwI joWa0yVCzTnzQGkqSlWD9/9znr9tWRLkjOMGdvdrqrQbQQ/UfVWvhZLuz7AvDl4caGOW zb+iwFCGucXnUFBChRyFj1rvN5ezx30+yROLKVQOew+CNuMQfJ9rF12V5ZdHnCjrAHZQ ikw5sZLvceYY9vJenvS+8xJx2EF5chnSTeeJMnrshtokW5SPEi//vqezH2OCT1QZE+pe 1nIdjoHGFtNkaaKL4dS/TCydVW3HeKfAS5+uInETBJ5g00QX9gzw6Mkt8+Pl/EqC0ruw caqQ== X-Forwarded-Encrypted: i=1; AJvYcCVsJWHa0kXiaGdVZZ1atLX79JDBh21cOzOIvCFdWJ/WTp8ghy1bFqA6A5UzwBI0EOOhK8283f2Pu+wq@vger.kernel.org X-Gm-Message-State: AOJu0YyCZA1ll4cqyCgtCJqpAEhqCr3ICDzRpAEihS93WMk7CLOhSPiw dEMB/16Dy63Zyaxiah7sODIPVy5Op5G38z7gEmgs+Ezt3Zah1mc/T4yMcQ/njQ== X-Gm-Gg: AZuq6aJustp/DHjHLRkFK90aPKtLJtv87lZ+t6Geur32yTcAEDi6IdXGZ0V9tpZVzPl qR8Rppa3vXALoFEUHJk/ooLwDNypduaSOQtDlFMn0OuGbTlImthHlIs6jX7qwM9nvlDnElY4892 Qd/jGzwBRykf2EGYftGYBpUItWhjg+RAx05m7xbI31PXsLSoG98e5G8QsqBNuHtN+kKINNtKDfe +S0WuwYPl+lB8x69YwkC1q37KhmLLzFPdJ+9k65eIB8WW0pLFuVWYlb3J7vdYXWulH9H2iNdntC c0WsCyMPNDnGtq6CgBRARFc6w19wPdV7EXbXxOmjNpd4p9rNSUHSgPDHu3IC1X90i2C4xGAQRG2 3lFGbihUEF3cuyQ0mZM/LP8gDLDebUS/nfPcLr7dI+chmnMCjRGf48m3jBVNKHtY7XAWL/pU8vP dOr6xvhB1MEGEQSoU09jk0JrZbJPFj6immqKMghH1XKkolFca5abMQ X-Received: by 2002:a05:6000:40c9:b0:3ea:6680:8fb9 with SMTP id ffacd0b85a97d-435a5f4da63mr4516285f8f.3.1769078019504; Thu, 22 Jan 2026 02:33:39 -0800 (PST) Received: from pumpkin (82-69-66-36.dsl.in-addr.zen.co.uk. [82.69.66.36]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4356997e6dasm45262285f8f.32.2026.01.22.02.33.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jan 2026 02:33:39 -0800 (PST) Date: Thu, 22 Jan 2026 10:33:37 +0000 From: David Laight To: kernel test robot Cc: Nathan Chancellor , Greg Kroah-Hartman , Thomas Gleixner , Peter Zijlstra , Ingo Molnar , Mathieu Desnoyers , Arnd Bergmann , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Yury Norov , Jani Nikula , Vincent Mailhol , Andy Shevchenko , Kees Cook , Andrew Morton , oe-kbuild-all@lists.linux.dev, Linux Memory Management List Subject: Re: [PATCH next 11/14] bit: Strengthen compile-time tests in GENMASK() and BIT() Message-ID: <20260122103337.26473d1c@pumpkin> In-Reply-To: <202601221237.soiAkwkN-lkp@intel.com> References: <20260121145731.3623-12-david.laight.linux@gmail.com> <202601221237.soiAkwkN-lkp@intel.com> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; arm-unknown-linux-gnueabihf) Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 22 Jan 2026 12:41:22 +0800 kernel test robot wrote: > Hi, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on next-20260120] > > url: https://github.com/intel-lab-lkp/linux/commits/david-laight-linux-gmail-com/overflow-Reduce-expansion-of-__type_max/20260122-013456 > base: next-20260120 > patch link: https://lore.kernel.org/r/20260121145731.3623-12-david.laight.linux%40gmail.com > patch subject: [PATCH next 11/14] bit: Strengthen compile-time tests in GENMASK() and BIT() > config: mips-randconfig-r132-20260122 (https://download.01.org/0day-ci/archive/20260122/202601221237.soiAkwkN-lkp@intel.com/config) > compiler: mips64-linux-gcc (GCC) 10.5.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260122/202601221237.soiAkwkN-lkp@intel.com/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202601221237.soiAkwkN-lkp@intel.com/ > > sparse warnings: (new ones prefixed by >>) > kernel/kthread.c: note: in included file (through include/linux/bitmap.h, include/linux/cpumask.h, arch/mips/include/asm/processor.h, ...): > >> include/linux/find.h:209:45: sparse: sparse: Variable length array is used. Can we stop sparse complaining about sizeof(VLA) ? David