From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 D25D8413245; Tue, 20 Jan 2026 23:51:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768953072; cv=none; b=N68m+q0ICs7zpOnwQmnO7qzU1DN/OvpK3Cgf4XyoYLQeL51QGU3hzYHlmBtar+KE/u+TVYzA4Ahnstq+PRLlou3laxhvedD4B60Juntz78wtyGWdMAjZO9EKPSOKP0ytih07w0AtNtausZGbpPqQ8TPR9Ggc1Tjc/MyteVjkJYI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768953072; c=relaxed/simple; bh=F5yoRbWch+cbaLBVp1uSb8AEgbjGteKlxCkICYJXx74=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=P7QZ9G1pmGyY3ZPKilmVCj62Z9E2A5KBck7XulOaCY0JDs2OQTdFrIhR1PSOZPKFmQQeG5q/UplvFolHNBen0B00EBbFxGFpbpfZ0mFVWQ0o99CyiHAZnRqdVNBp4zfN6/hqBIpp1iEZ6zIy7W3J4pW2I/IqBSwtpmHJFsENTSQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=XutWQJxz; arc=none smtp.client-ip=198.175.65.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="XutWQJxz" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1768953072; x=1800489072; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=F5yoRbWch+cbaLBVp1uSb8AEgbjGteKlxCkICYJXx74=; b=XutWQJxzUMNGBhSxZlOD5pjNOpgUZlR3o3U0Ls7hL15SIALi1kAuiRiB qSD2U5nWzOeK4KpyXng4j5XNt2yN8b3OBBYlljX7Hhg+ezcPY6VNxI4ob 3FNNyAJJosKhANmaFsYsnIxJMDdgQeAIUVx1hpXYxBf2g9jgPfaTJJ8m9 zg33g3eAN8bUB4i8HJl0gKkwfkPpR6qsUrzX07uUrqvbYRpxe38noGWrE 5d7JFdxWW7h+Zil8VO9lGmzyY6cZSNL/tVaENobrn47qHcvIe4b8BA3Gz AFDgl19qklo5hRQasaCKFxgfwiNprln4MNSMIpEBLaVVkymjCrQZmafV6 A==; X-CSE-ConnectionGUID: 6iwEdtvnS+S0Fk7gxa6aCQ== X-CSE-MsgGUID: NUojrvNES9qlEetJOU1VBg== X-IronPort-AV: E=McAfee;i="6800,10657,11677"; a="70085027" X-IronPort-AV: E=Sophos;i="6.21,241,1763452800"; d="scan'208";a="70085027" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jan 2026 15:51:11 -0800 X-CSE-ConnectionGUID: rOndJBMSThSjHWZZ9Umqow== X-CSE-MsgGUID: IGZYyd04RMieHEmL0zc4kQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,241,1763452800"; d="scan'208";a="206068459" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa009.jf.intel.com with ESMTP; 20 Jan 2026 15:51:03 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1viLUy-00000000Phh-3QZT; Tue, 20 Jan 2026 23:51:00 +0000 Date: Wed, 21 Jan 2026 07:50:16 +0800 From: kernel test robot To: Ryan Roberts , Catalin Marinas , Will Deacon , Huacai Chen , Madhavan Srinivasan , Michael Ellerman , Paul Walmsley , Palmer Dabbelt , Albert Ou , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Kees Cook , "Gustavo A. R. Silva" , Arnd Bergmann , Mark Rutland , "Jason A. Donenfeld" , Ard Biesheuvel , Jeremy Linton , David Laight Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Ryan Roberts , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org Subject: Re: [PATCH v4 3/3] randomize_kstack: Unify random source across arches Message-ID: <202601210752.6Nsv9et9-lkp@intel.com> References: <20260119130122.1283821-4-ryan.roberts@arm.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: <20260119130122.1283821-4-ryan.roberts@arm.com> Hi Ryan, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on linus/master v6.19-rc6 next-20260119] [cannot apply to tip/sched/core kees/for-next/hardening kees/for-next/execve] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ryan-Roberts/randomize_kstack-Maintain-kstack_offset-per-task/20260119-210329 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20260119130122.1283821-4-ryan.roberts%40arm.com patch subject: [PATCH v4 3/3] randomize_kstack: Unify random source across arches config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20260121/202601210752.6Nsv9et9-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260121/202601210752.6Nsv9et9-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/202601210752.6Nsv9et9-lkp@intel.com/ All warnings (new ones prefixed by >>): >> vmlinux.o: warning: objtool: do_syscall_64+0x2c: call to preempt_count_add() leaves .noinstr.text section >> vmlinux.o: warning: objtool: __do_fast_syscall_32+0x3d: call to preempt_count_add() leaves .noinstr.text section -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki