From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 27DD3D262B1 for ; Tue, 20 Jan 2026 23:51:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=OjSQELt6MhMSruMz4BeE6G4yXGXsO8zdav7zAwmJHAU=; b=0c5Hib4d811JpRRhRcAx5prz3v 4QS6/KXm6nb20rsLELYUK4rpGoN7u/QwNXKASI6rmxLiPSHKK5G1uYBM/q9m3wN20EXHPbLfMzUGG QfRKKwar+xRtXJkU+Nzjijq0i9zGepsuHaNfyDnNEhedhPUjb6JydHQNKA+9pwwSI8ngjjKBIREbK alqN+5DRpN9x1hn4OgZCJaUHXK0ev1d/3ex1BgsjsVVX/vqzjBCaUqM8lMqXGRnSJFWBxNRPPgQ9k lTeLT1JIIa52g6T8rkbwUBxd4lIKyOB57NE3uqBqoyJ5n+s3GxQsY03kRH+ASEda31c5m6js0mM5x JGi3+IvQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1viLVC-00000004drE-49rk; Tue, 20 Jan 2026 23:51:14 +0000 Received: from mgamail.intel.com ([198.175.65.21]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1viLV9-00000004dqg-2YZx; Tue, 20 Jan 2026 23:51:13 +0000 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: KECLcAO7S3a8HnqcJWHO9A== X-CSE-MsgGUID: Rg9FXqPMTryyEhr/TRXZIw== X-IronPort-AV: E=McAfee;i="6800,10657,11677"; a="70085034" X-IronPort-AV: E=Sophos;i="6.21,241,1763452800"; d="scan'208";a="70085034" 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260119130122.1283821-4-ryan.roberts@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260120_155111_690285_CEE99FE5 X-CRM114-Status: GOOD ( 12.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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