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 9FFBA2F49F8; Fri, 16 Jan 2026 22:06:23 +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=1768601183; cv=none; b=URGiwwEF7G6MprgHF2SXcC56RMx5gUGR+D4FLeslBJu1xAlVkUYCx9zFNF+HjPUyn77qYtTtdD4C12tauawtjqRDpyzbwlBzGW7jpEQgSXySfWMYjBraBh+uhmBbn+Tf4Lm8I5BiGy17fFV2Bk21D2/dzppWCcYMrz5CnXX0wBI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768601183; c=relaxed/simple; bh=EzzsnpJqQeFX65vdO2xqUr8mbhB6kqT5NEAk1PFa+Bo=; h=From:To:Cc:In-Reply-To:References:Subject:Message-Id:Date: MIME-Version:Content-Type; b=g6CH17NLbkVXUM26F1B9znrfrsZQiTuhto5SjYs5y3a0HjSus0oCOeoj2ssp70t3BtfdkBYQ5YVhc5s1g+kFR1QgP1oVEmp4xCq+M4GPfe6i+MdTDiuEdMTXIY6BMTgW8tlqeY1GxWyeJkVG9Iu5aovgrrQhDo7Wku+JlplOPY0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ki7+D5zM; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ki7+D5zM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 31BF3C116C6; Fri, 16 Jan 2026 22:06:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768601183; bh=EzzsnpJqQeFX65vdO2xqUr8mbhB6kqT5NEAk1PFa+Bo=; h=From:To:Cc:In-Reply-To:References:Subject:Date:From; b=ki7+D5zMdagPdM1BslM407qhVB0UbFVvlLrCm55ESIxA/+GBlqgePANqrCiw8v0Ye fIoPozH/TPNbLWVTTqAnNuRptROlUrMzU/ng5KOLiyFLWdqcvL1OZlUAfhtMJTE3x/ s5fYlggQ2DGNWORsEYTKSAhQ9cc96ANESuXW0PFpKsPU17/RF17xIxJPU78SfPoM3w f3eJ7dZPsakq1VLDcztSfbVHDov21ycDL8TYtHTkduQwuu4DL88vboujReTE7khqzP zXkkzSqj4pooSZX+oRdWPGt+tE5SZyXM4RYRE3onIusjCHHUcb+C6J+TuX05/Yoc8i GzfaplnTEC6CA== From: Nathan Chancellor To: "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Long Li , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Hans de Goede , Arnd Bergmann , Greg Kroah-Hartman , =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Cc: linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, kernel test robot In-Reply-To: <20260115-kbuild-alignment-vbox-v1-0-076aed1623ff@linutronix.de> References: <20260115-kbuild-alignment-vbox-v1-0-076aed1623ff@linutronix.de> Subject: Re: [PATCH 0/2] kbuild, uapi: Mark inner unions in packed structs as packed Message-Id: <176860117992.3208640.15511985701328893417.b4-ty@kernel.org> Date: Fri, 16 Jan 2026 15:06:19 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Mailer: b4 0.15-dev On Thu, 15 Jan 2026 08:35:43 +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. > > [...] Applied to https://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux.git kbuild-next Thanks! [1/2] hyper-v: Mark inner union in hv_kvp_exchg_msg_value as packed https://git.kernel.org/kbuild/c/1e5271393d777 [2/2] virt: vbox: uapi: Mark inner unions in packed structs as packed https://git.kernel.org/kbuild/c/c25d01e1c4f2d Please look out for regression or issue reports or other follow up comments, as they may result in the patch/series getting dropped or reverted. Patches applied to an "unstable" branch are accepted pending wider testing in -next and any post-commit review; they will generally be moved to the main branch in a week if no issues are found. Best regards, -- Nathan Chancellor