From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 C24D31A5B8A; Sat, 23 May 2026 00:52:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779497528; cv=none; b=mWdo+PBWdfrGuFhqlrv2oe5ViAPLP7lomifk+2GiFVcLYeBrxABlO4Rqgq0n6SZR0gdEy7Homgl7Hw8elxOXqjPAFz0QMLiyyRC3wAC3psxU6A0OJ4xRLpV628oNq48myHJwPoJlub4jZz7eQPSFlrGq/2WzkIN1/JNfXRswNuo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779497528; c=relaxed/simple; bh=mMKbUXhotAiM3JrCASgbl0bizLNw3atB0q/nyPLZlDY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=OsM2bXcsHfl/VKpp2mT+UYPhStHlg9aQRtN2XCXen9gPXZUD1GpW7CkOJa5M8wAFjy6/6DGXZIgLgiWnOLJ5Xbf/bhBcUq8DqU7B4UO7HMGxbC4QTvXf3O9v7R0cFjVUiV8eddsGtVb5s4VkqzVxQ8bQ49kHbriSqB+bfDthsBg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lxwrsbcZ; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lxwrsbcZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C60841F000E9; Sat, 23 May 2026 00:52:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779497527; bh=xQt/ftYZ853rYkzRLauQOTMPaYs6t+GxooPkj8b75dU=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=lxwrsbcZ520irmjUu+CI20HzPNzHRuVpVP+Pb5K1jBd6UqKmHTbIlzYm2fQPYivHt akkgpi82bWIj8Ol0lRXpA3L/Ru6PcYNwz6L0AWbutyRJoFHnX1iRbkVporWBRzzAU+ 9rIJTwhxBoiZrsrYlw2fYOwnADF5en8CRtUd+waTRhcvOlAkBikzFiALsfPa2yXZpS 5lgCLdDCPl4rr+8CISNyGR3yix6K915h8oqOinp43hF2mEiBo750lwLWfa08OetVWE hvd9FkuDpgryNs23iORvwBT7CEoZJ3+mk7a/24jVbMhR2nwVb5RCJTEWp0Rqj1exw0 pI9buf6B486Ew== Date: Fri, 22 May 2026 17:52:04 -0700 From: Nathan Chancellor To: kernel test robot Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: Re: [linux-next:master 5302/7547] fs/open.c:152:1: error: unknown warning group '-Wattribute-alias', ignored Message-ID: <20260523005204.GA520407@ax162> References: <202605220247.dQAHslyv-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202605220247.dQAHslyv-lkp@intel.com> On Fri, May 22, 2026 at 02:18:49AM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 550604d6c9b9efc8d068aff94dc301694a7afdee > commit: bc5ffe737f56ee2734597069ed71f48830549483 [5302/7547] Disable -Wattribute-alias for clang-23 and newer > config: arm-defconfig (https://download.01.org/0day-ci/archive/20260522/202605220247.dQAHslyv-lkp@intel.com/config) > compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260522/202605220247.dQAHslyv-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/202605220247.dQAHslyv-lkp@intel.com/ > > All errors (new ones prefixed by >>): > > >> fs/open.c:152:1: error: unknown warning group '-Wattribute-alias', ignored [-Werror,-Wunknown-warning-option] > 152 | SYSCALL_DEFINE2(truncate, const char __user *, path, long, length) > | ^ > include/linux/syscalls.h:226:36: note: expanded from macro 'SYSCALL_DEFINE2' > 226 | #define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__) > | ^ > include/linux/syscalls.h:236:2: note: expanded from macro 'SYSCALL_DEFINEx' > 236 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__) > | ^ > include/linux/syscalls.h:250:2: note: expanded from macro '__SYSCALL_DEFINEx' > 250 | __diag_ignore(clang, 23, "-Wattribute-alias", \ > | ^ > note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) > include/linux/compiler-clang.h:135:28: note: expanded from macro '__diag_clang_23' > 135 | #define __diag_clang_23(s) __diag(s) > | ^ > include/linux/compiler-clang.h:132:20: note: expanded from macro '__diag' > 132 | #define __diag(s) _Pragma(__diag_str(clang diagnostic s)) > | ^ > :223:27: note: expanded from here > 223 | clang diagnostic ignored "-Wattribute-alias" > | ^ Please update your clang-23, this will be avoided with a newer version from main that has the change that adds -Wattribute-alias. -- Cheers, Nathan