From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qk1-f176.google.com (mail-qk1-f176.google.com [209.85.222.176]) (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 630053F12F4 for ; Wed, 8 Jul 2026 16:20:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.176 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783527660; cv=none; b=tM+EsQG7Nyt2Nwgyq+ESwTCjLypvtxMQbRALyRiTPOpjnFQMcc89o0UaUqx13qMNPBgVneY4Lci9Znq3SsTfKnRLZCgXLL1jWZcNLT3GGkI7x9uRNcDYOmi1IW9eeOFi6TAHmN5pGNIOs3zngRcqW9FNggKhNzKOcfvRUU1bF8k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783527660; c=relaxed/simple; bh=PPjhDWa+0AEAs/Q0tIcWkxY7V7zsF1IrAWp1MaUwiDk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=QzVM2ADba3/f6oxCzyosV8tAJ0aw2fcHRblOMgN3Z5o6gg07TnoVHXTN39BtSVVmHaDrrmaVQib1f7tY4l8YFqmtJNrI7mRN3UtnlBihtLCLMjlilojQ73NzV5Vh4ZDnRIK0Z8npPo13R1PNGgX8FT+mbK2EmSHxZeWOUeP5N1o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=gourry.net; spf=pass smtp.mailfrom=gourry.net; dkim=pass (2048-bit key) header.d=gourry.net header.i=@gourry.net header.b=L8lDnq6y; arc=none smtp.client-ip=209.85.222.176 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=gourry.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gourry.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gourry.net header.i=@gourry.net header.b="L8lDnq6y" Received: by mail-qk1-f176.google.com with SMTP id af79cd13be357-92e50a650a0so47974285a.1 for ; Wed, 08 Jul 2026 09:20:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gourry.net; s=google; t=1783527657; x=1784132457; darn=vger.kernel.org; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:from:to:cc:subject :date:message-id:reply-to:content-type; bh=aNrEM48/kUAtSeWbSxXUhqAsANl+gd1l+W0ysjw18Qo=; b=L8lDnq6yVEq/8pIrXGbRXqYqqfpBHd73iC2HOv3gOGw1Unbh5CXlAY+pkpsh3pAxF0 7lOiRMURt9f/4pJ9bOtj0nB0We9FaTEJnXK8HPtsXFFmbNM/qBl5gpDkeMwTRTh5XRni WNno8PdlAEa3fcNdboZbwONGp+xQyhZHUA9dFFHukwlFDArFo+gD2DQNOxKVIG/K1pX1 WwH2MbRpM7jc8sJy8N/A7qn7yLVNQMzaR6254GDG4SQPTkwTYqhvL7RgJtxFVOZ0EdZg 6UU3Np5rpWdiWWy04AgWTdnfe5plojI8APBN/cpXGlAtgQFWPNeAtVRiZEQPbTrWBJOk FPyw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783527657; x=1784132457; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=aNrEM48/kUAtSeWbSxXUhqAsANl+gd1l+W0ysjw18Qo=; b=ZM7XC7DBlCyAvip+0zYq5i92wGkEnk5xx1zKTrSUnKk78TQlpepxYgzi34kDSV97Cs UrIrwvoiN/i3LJ5OuaLAYJ28gUIhq5lajMhV4k24sYJYNPNR1JkJ0GFqqf2z+/ek0iB6 9byC0tquUWw0ZZ9sYdT6gfGN2hCRj8UYfJ74nrPQIy2TBkX0+2PAeAqp0Ihfz7N0/Kl8 tdCyXLO2AnpQ+31+ZG2nhyNd5BlBRgN2BpFztYRVJ6W+YjWgevVlaI3JI3kKzOTZeyoD BPQ3HrMmUhXKa0YmgwDGdmOGxdlIZI0tJdNRBDDMpneyLP5YrJ5MVebGq/6KPKE3X1s6 0Usw== X-Forwarded-Encrypted: i=1; AHgh+Rq2kk5GoSIbPbR9iBxEfvHwZQVOA668SL3sbzKOYzJtMOc1naFtWSKHHN8f1R5rfXArgwdXbz0k7MCOOMk=@vger.kernel.org X-Gm-Message-State: AOJu0YytBKwk2ZtxdpuC1CU9R5k8QNrXsZ7Utg2LVMY16o016UYeQZQs Ker9kC4uW3m3CeLkypEycUN+F/m+1UsVkMlIblKOsArOOiqJ7ov8wTUX8IETERhLnkdNWexYZhO 5fy8x X-Gm-Gg: AfdE7cnVj4CvhydgeyD7oUXrNp4ojCio+RoEcE1Z4HtHi4Cxb3bKVTryhInW1Hy9qaK 0wPwTKnB3NrapoNhO3mVxynLNNuZeuEHfK+D1GJrkpTD/FZanpZn3ZJ/z4Iz6KpleOFbCkgWZ4Z HD8j4CXuwsEuXRpAQsBqeMMAaMu0HIGxr/Jw2NPLZUkdE67+T+UH2HtfGAs/XUJYEqrwLfOCcy9 +raUKIMaa9lvropZbZatnzvfxnaN61eG+n0YzC53BfEt6eRLrj5yYTsmw+QmDIAjFL7VaPGmfNe CHzaYE0Erdz1Dt6Jkyjdrfs9LNzZJrt/ITk6iHK/olF3vEH/f7lDi2LexuRSXq20uJaBzmdSWmf Zel9n78PBkwPvXZ6Xdrj/Zh+3MY5NS7xeeYiwSQxlMxZ/QjxH7yzqi/XaV+5roVq0BO7lhsFIHe QjdE6aFMDwpMA70gt/esRBfbnsJmdl6teRzco9UI1cE2TfaOQHevxZmDRu3g56PI8bRAbH X-Received: by 2002:a05:620a:4041:b0:92b:67e6:8ab4 with SMTP id af79cd13be357-92ecf671299mr280183485a.62.1783527657124; Wed, 08 Jul 2026 09:20:57 -0700 (PDT) Received: from gourry-fedora-PF4VCD3F (pool-173-79-60-52.washdc.fios.verizon.net. [173.79.60.52]) by smtp.gmail.com with ESMTPSA id af79cd13be357-92e90ba1a3dsm1471710285a.15.2026.07.08.09.20.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Jul 2026 09:20:56 -0700 (PDT) Date: Wed, 8 Jul 2026 12:20:52 -0400 From: Gregory Price To: Thomas Gleixner Cc: kernel test robot , llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, x86@kernel.org Subject: Re: [tip:core/entry 2/3] arch/s390/include/asm/entry-common.h:49:18: error: call to undeclared function 'task_stack_page'; ISO C99 and later do not support implicit function declarations Message-ID: References: <202607081402.DO1ePla3-lkp@intel.com> <877bn5sxl3.ffs@fw13> 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=us-ascii Content-Disposition: inline In-Reply-To: <877bn5sxl3.ffs@fw13> On Wed, Jul 08, 2026 at 10:19:04AM +0200, Thomas Gleixner wrote: > On Wed, Jul 08 2026 at 14:56, kernel test robot wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core/entry > > head: 34ef6308418f138395a664bf9f5d80ace9825ac6 > > commit: 7fc04d7044aaa5ffe2afe78979fe6ddd5da24f10 [2/3] syscall_user_dispatch: Make it configurable in Kconfig > > config: s390-allnoconfig (https://download.01.org/0day-ci/archive/20260708/202607081402.DO1ePla3-lkp@intel.com/config) > > compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 0a2fb2a2269da0e2a3e230beb6cad39ca314db33) > > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260708/202607081402.DO1ePla3-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/202607081402.DO1ePla3-lkp@intel.com/ > > > > All errors (new ones prefixed by >>): > > > > In file included from arch/s390/kernel/traps.c:24: > > In file included from include/linux/entry-common.h:5: > >>> arch/s390/include/asm/entry-common.h:49:18: error: call to undeclared function 'task_stack_page'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] > > 49 | pai_kernel_exit(current_pt_regs()); > > Bah. I missed to spot the header ordering change putting the > asm/... includes in front. I really hate our include mess. > > Let me fix that up. > Ah, I wasn't 100% sure on this - noted for the future. Sorry about the headache and thank you for the fixup. ~Gregory