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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DBEB1E95A67 for ; Sun, 8 Oct 2023 00:46:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344234AbjJHAnp (ORCPT ); Sat, 7 Oct 2023 20:43:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41152 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229634AbjJHAno (ORCPT ); Sat, 7 Oct 2023 20:43:44 -0400 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 77F07B6 for ; Sat, 7 Oct 2023 17:43:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1696725822; x=1728261822; 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ESMTP; 07 Oct 2023 17:43:39 -0700 Received: from kbuild by 8a3a91ad4240 with local (Exim 4.96) (envelope-from ) id 1qpHtR-0004yR-19; Sun, 08 Oct 2023 00:43:37 +0000 Date: Sun, 8 Oct 2023 08:43:17 +0800 From: kernel test robot To: Uros Bizjak Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, x86@kernel.org, Ingo Molnar , Nadav Amit Subject: [tip:x86/percpu 12/12] arch/x86/include/asm/preempt.h:27:55: sparse: sparse: incompatible types for operation (&): Message-ID: <202310080853.UhMe5iWa-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/percpu head: ca4256348660cb2162668ec3d13d1f921d05374a commit: ca4256348660cb2162668ec3d13d1f921d05374a [12/12] x86/percpu: Use C for percpu read/write accessors config: x86_64-randconfig-122-20231007 (https://download.01.org/0day-ci/archive/20231008/202310080853.UhMe5iWa-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231008/202310080853.UhMe5iWa-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/202310080853.UhMe5iWa-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/bpf/percpu_freelist.c: note: in included file (through arch/x86/include/asm/preempt.h, include/linux/preempt.h, include/linux/spinlock.h, ...): arch/x86/include/asm/percpu.h:550:49: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/percpu.h:550:49: sparse: sparse: got __seg_gs arch/x86/include/asm/percpu.h:564:33: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/percpu.h:564:33: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c: note: in included file (through arch/x86/include/asm/cpufeature.h, arch/x86/include/asm/thread_info.h, include/linux/thread_info.h, ...): arch/x86/include/asm/processor.h:504:9: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/processor.h:504:9: sparse: sparse: got __seg_gs arch/x86/include/asm/processor.h:504:9: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/processor.h:504:9: sparse: sparse: got __seg_gs arch/x86/include/asm/processor.h:504:9: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/processor.h:504:9: sparse: sparse: got __seg_gs arch/x86/include/asm/processor.h:504:9: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/processor.h:504:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c: note: in included file (through include/linux/preempt.h, include/linux/spinlock.h, kernel/bpf/percpu_freelist.h): arch/x86/include/asm/preempt.h:27:16: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/preempt.h:27:16: sparse: sparse: got __seg_gs arch/x86/include/asm/preempt.h:34:15: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/preempt.h:34:15: sparse: sparse: got __seg_gs arch/x86/include/asm/preempt.h:38:19: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/preempt.h:38:19: sparse: sparse: got __seg_gs arch/x86/include/asm/preempt.h:61:9: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/preempt.h:61:9: sparse: sparse: got __seg_gs arch/x86/include/asm/preempt.h:66:9: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/preempt.h:66:9: sparse: sparse: got __seg_gs arch/x86/include/asm/preempt.h:71:18: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/preempt.h:71:18: sparse: sparse: got __seg_gs arch/x86/include/asm/preempt.h:80:9: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/preempt.h:80:9: sparse: sparse: got __seg_gs arch/x86/include/asm/preempt.h:80:9: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/preempt.h:80:9: sparse: sparse: got __seg_gs arch/x86/include/asm/preempt.h:80:9: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/preempt.h:80:9: sparse: sparse: got __seg_gs arch/x86/include/asm/preempt.h:85:9: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/preempt.h:85:9: sparse: sparse: got __seg_gs arch/x86/include/asm/preempt.h:85:9: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/preempt.h:85:9: sparse: sparse: got __seg_gs arch/x86/include/asm/preempt.h:85:9: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/preempt.h:85:9: sparse: sparse: got __seg_gs arch/x86/include/asm/preempt.h:95:16: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/preempt.h:95:16: sparse: sparse: got __seg_gs arch/x86/include/asm/preempt.h:104:16: sparse: sparse: Expected ) at end of cast operator arch/x86/include/asm/preempt.h:104:16: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:61:20: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:61:20: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:61:20: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:61:20: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:61:20: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:61:20: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:61:20: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:61:20: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:86:39: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:86:39: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:127:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: got __seg_gs kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: Expected ) at end of cast operator kernel/bpf/percpu_freelist.c:159:9: sparse: sparse: got __seg_gs >> arch/x86/include/asm/preempt.h:27:55: sparse: sparse: incompatible types for operation (&): >> arch/x86/include/asm/preempt.h:27:55: sparse: void >> arch/x86/include/asm/preempt.h:27:55: sparse: unsigned int >> arch/x86/include/asm/preempt.h:27:55: sparse: sparse: incompatible types for operation (&): >> arch/x86/include/asm/preempt.h:27:55: sparse: void >> arch/x86/include/asm/preempt.h:27:55: sparse: unsigned int vim +27 arch/x86/include/asm/preempt.h ba1f14fbe70965 Peter Zijlstra 2013-11-28 20 c2daa3bed53a81 Peter Zijlstra 2013-08-14 21 /* c2daa3bed53a81 Peter Zijlstra 2013-08-14 22 * We mask the PREEMPT_NEED_RESCHED bit so as not to confuse all current users c2daa3bed53a81 Peter Zijlstra 2013-08-14 23 * that think a non-zero value indicates we cannot preempt. c2daa3bed53a81 Peter Zijlstra 2013-08-14 24 */ c2daa3bed53a81 Peter Zijlstra 2013-08-14 25 static __always_inline int preempt_count(void) c2daa3bed53a81 Peter Zijlstra 2013-08-14 26 { 64701838bf0575 Thomas Gleixner 2022-09-15 @27 return raw_cpu_read_4(pcpu_hot.preempt_count) & ~PREEMPT_NEED_RESCHED; c2daa3bed53a81 Peter Zijlstra 2013-08-14 28 } c2daa3bed53a81 Peter Zijlstra 2013-08-14 29 :::::: The code at line 27 was first introduced by commit :::::: 64701838bf0575ef8acb1ad2db5934e864f3e6c3 x86/percpu: Move preempt_count next to current_task :::::: TO: Thomas Gleixner :::::: CC: Peter Zijlstra -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki