From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 5B0DE1AAE13; Fri, 16 Jan 2026 15:52:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768578760; cv=none; b=sw3fzjBG5On8GEgjr0fiyyitZbtD9WcCiky8RDUkLrR60Z6e3ytDW7rMI9wbZ03PuFMwI5fbOfq7dH0Ve8UQwCTxDEKKB+9o/8xQhtrh+BllgW32pJQPkzORREZqVTB4V5WZLQ91+Cat7FHtMfYhMfPllCgRTdIZ/ig/vGPgaUw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768578760; c=relaxed/simple; bh=ccgAeaYXT57mZxZmgSb8MPT61/gS42zGa89VBeKhB7M=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jsd86bMkkeXJVcoHEkOAzQDdpaOmfgE4xb2ShcbtZTdkPg2I19DcjLaRTa3RrFeCbRIek+vYF+SsOgl9VuxQlPQmIe38gbJ8DsbMP3VDm0JrIxc4K+IUH5YTj/ULF4kb8PSw+K6I9QypUcwo3smp9ovt7abj4fuWj7mWMT00ll8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=e6kNZYiN; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="e6kNZYiN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6D19BC116C6; Fri, 16 Jan 2026 15:52:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1768578760; bh=ccgAeaYXT57mZxZmgSb8MPT61/gS42zGa89VBeKhB7M=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=e6kNZYiNpA8s32qTucoZCdBV/ZlHwH7MsAHAdESZNHgZgeL0jrrhew3Qc4nMYR+Gc rbicbIAiI6NNjgCKjsH1Oh4KFChTZysPq2GpxUj06YkP0NRUoCNyfL5zxZHka2TLNd Jh8qr2bKF7HagzmeIPBrWqD2Bcf6LrQhPWcSBNoU= Date: Fri, 16 Jan 2026 16:52:37 +0100 From: Greg Kroah-Hartman To: Thomas =?iso-8859-1?Q?Wei=DFschuh?= Cc: "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Long Li , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Hans de Goede , Arnd Bergmann , linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, kernel test robot Subject: Re: [PATCH 0/2] kbuild, uapi: Mark inner unions in packed structs as packed Message-ID: <2026011632-favorite-creamlike-aec6@gregkh> References: <20260115-kbuild-alignment-vbox-v1-0-076aed1623ff@linutronix.de> Precedence: bulk X-Mailing-List: linux-hyperv@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260115-kbuild-alignment-vbox-v1-0-076aed1623ff@linutronix.de> On Thu, Jan 15, 2026 at 08:35:43AM +0100, Thomas Weißschuh wrote: > The unpacked unions within a packed struct generates alignment warnings > on clang for 32-bit ARM. > > With the recent changes to compile-test the UAPI headers in more cases, > these warning in combination with CONFIG_WERROR breaks the build. > > Fix the warnings. > > Intended for the kbuild tree. > > Signed-off-by: Thomas Weißschuh > --- > Thomas Weißschuh (2): > hyper-v: Mark inner union in hv_kvp_exchg_msg_value as packed > virt: vbox: uapi: Mark inner unions in packed structs as packed > > include/uapi/linux/hyperv.h | 2 +- > include/uapi/linux/vbox_vmmdev_types.h | 4 ++-- > 2 files changed, 3 insertions(+), 3 deletions(-) > --- > base-commit: e3970d77ec504e54c3f91a48b2125775c16ba4c0 > change-id: 20260115-kbuild-alignment-vbox-d0409134d335 > > Best regards, > -- > Thomas Weißschuh > Acked-by: Greg Kroah-Hartman