From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 93A002EC081; Fri, 16 Jan 2026 08:28:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768552100; cv=none; b=SlfEhm2wDjFcCg+PRULJXHx4/BNr1LonbQXFWduZyXwaZfju3mdOwOLVYM3JrnK+ncRUSZ2vzKfgaTGi02Dk2HakU0Y9MWwDI17Z/xHMe6Qk9t+OYCHijrUQ7e4dibqVQRwWZPHvSNsnJ+o+LDm0FFByiDUq9rdzJ+MDvTGa/9o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768552100; c=relaxed/simple; bh=a7eKrKM6/YEWnFFl7qpOhJnegZBYhe/Z+RJ9vpLL8fk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gKcE04QmGYM5ty5aesTyDYQ1kWv3F5WVleKKhk7BLLrRZ28t4ZCa4sbppKcOHU252q40qhc2EvtgxoH+6/4jsCS7c/z6FoBHHtc3N7uoOFSnugfVquefg9I/NiunabPzyc+XKgeIcgDbG9fLeepkYT8Fy3tWep6EFqUhb7KPVgM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=HTbZimV5; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="HTbZimV5" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=TV1Jx+rEWvbUkCzd4vjjAcoIFqoWvhAI61VIjM4vfHc=; b=HTbZimV5Qmy4g5YdPxxGg7t3OV b6mvGeyq5CBxB29YH/sHGHT8WPl06gjP2esikJjrgoZ7NlqvF603qKSKyWEVfPC/MdZ37TyH4kq4x 0S+uRN2C5g3dyN0Bi7ESEd2WAreGSg8Xve/Taq1mStGyHbamei10rkF19Bh59phVS2kRvAYzs8NUp Z1WjYtLlllMlEOfp24CmrPzYnapzLD2KcpIwhg6O/LrrTfjcAUHNNjOOivWY1EDtzh7JNe7StvcZw aNILJgaEroGXhOVebFVZXatMmrtOGPhXfqqXGzr7uZCPmYQx+affl8hU2YwEjH0npzssCT4XNnjBt GQcVDAZQ==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1vgfBl-00000008ILg-3lkL; Fri, 16 Jan 2026 08:28:14 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id F1F6830065D; Fri, 16 Jan 2026 09:28:12 +0100 (CET) Date: Fri, 16 Jan 2026 09:28:12 +0100 From: Peter Zijlstra To: Linus Torvalds Cc: Thomas Gleixner , kernel test robot , Ian Rogers , oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, x86@kernel.org, sparse@chrisli.org, linux-sparse@vger.kernel.org, Marco Elver Subject: Re: [tip:timers/vdso 12/14] net/rds/ib_cm.c:96:35: sparse: sparse: incorrect type in argument 1 (different modifiers) Message-ID: <20260116082812.GH830755@noisy.programming.kicks-ass.net> References: <202601150001.sKSN644a-lkp@intel.com> <87v7h23cb0.ffs@tglx> <20260115211120.GD831050@noisy.programming.kicks-ass.net> <20260115213054.GF831050@noisy.programming.kicks-ass.net> Precedence: bulk X-Mailing-List: linux-sparse@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Thu, Jan 15, 2026 at 03:03:52PM -0800, Linus Torvalds wrote: > On Thu, 15 Jan 2026 at 13:31, Peter Zijlstra wrote: > > > > GCC-14 :-/ The GCC-8.4 one was the function return value trick. > > Right you are. And yeah, us moving on to gcc-14 as a minimum version > is not imminent. > > Still, while we can't force it, lots of distros are on gcc-15, so > while we'd have the _Generic() macro as a fallback for older versions, > at least most developers would hopefully get the nice clean modern > __typeof_unqual__ thing... Absolutely. I'll try and make it happen if tglx doesn't.