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 E212EC43334 for ; Sat, 9 Jul 2022 10:28:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229535AbiGIK2n (ORCPT ); Sat, 9 Jul 2022 06:28:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48348 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229517AbiGIK2k (ORCPT ); Sat, 9 Jul 2022 06:28:40 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A263F62F5 for ; Sat, 9 Jul 2022 03:28:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1657362519; x=1688898519; h=date:from:to:cc:subject:message-id:mime-version; bh=WZElXWkwnsvvLgaOgTPBGW/Fe0tNjl1kqPKDdzq+PEM=; b=DyuVgARZrvM5UpWpCXFyUblcOJfxkYVr91H3Ev+pvYxuEUbW4ZQ0aN9h UOyddkt95iKa5lYnhY4Sg+NnKDrWYVVk9yu3da1atSuryK6ZgnZFPCINU gkI1WW8hMLV17/CiFeh2fmzpBUH1P7z5hBPfEQCOXoC0zh3KAgt2F6C6L qOaaIU55pCiftUIynqff7WoEhIPUDqlNZMPggR9ORHiXNR7Qnr8bhFhBX 7I3JY0q3dunHA4GUly7kUzat7XWJE94sunN5GlODB/fqFEAWfgltsLklL r6MTofvAigea/B+Ot1Dg+ZkWayUhkbqU9OVqgyuG8APbMeVlazxOQpY4l w==; X-IronPort-AV: E=McAfee;i="6400,9594,10402"; a="310017147" X-IronPort-AV: E=Sophos;i="5.92,258,1650956400"; d="scan'208";a="310017147" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2022 03:28:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,258,1650956400"; d="scan'208";a="662034848" Received: from lkp-server01.sh.intel.com (HELO 68b931ab7ac1) ([10.239.97.150]) by fmsmga004.fm.intel.com with ESMTP; 09 Jul 2022 03:28:38 -0700 Received: from kbuild by 68b931ab7ac1 with local (Exim 4.95) (envelope-from ) id 1oA7hV-000OeW-K8; Sat, 09 Jul 2022 10:28:37 +0000 Date: Sat, 9 Jul 2022 18:28:07 +0800 From: kernel test robot To: Guo Ren Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Palmer Dabbelt Subject: arch/riscv/include/asm/atomic.h:317 arch_atomic_dec_if_positive() warn: inconsistent indenting Message-ID: <202207091801.DlXsv8UQ-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/torvalds/linux.git master head: e5524c2a1fc4002a52e16236659e779767617a4f commit: 1d7f6932c522ea95668e14265175ce3d753d0c24 riscv: atomic: Optimize dec_if_positive functions date: 7 weeks ago config: riscv-randconfig-m031-20220709 (https://download.01.org/0day-ci/archive/20220709/202207091801.DlXsv8UQ-lkp@intel.com/config) compiler: riscv32-linux-gcc (GCC) 11.3.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot New smatch warnings: arch/riscv/include/asm/atomic.h:317 arch_atomic_dec_if_positive() warn: inconsistent indenting Old smatch warnings: fs/btrfs/zoned.c:167 sb_zone_number() error: uninitialized symbol 'zone'. fs/btrfs/zoned.c:1494 btrfs_load_block_group_zone_info() error: uninitialized symbol 'ret'. vim +317 arch/riscv/include/asm/atomic.h fab957c11efe2f Palmer Dabbelt 2017-07-10 312 1d7f6932c522ea Guo Ren 2022-05-05 313 static __always_inline int arch_atomic_dec_if_positive(atomic_t *v) fab957c11efe2f Palmer Dabbelt 2017-07-10 314 { fab957c11efe2f Palmer Dabbelt 2017-07-10 315 int prev, rc; fab957c11efe2f Palmer Dabbelt 2017-07-10 316 fab957c11efe2f Palmer Dabbelt 2017-07-10 @317 __asm__ __volatile__ ( 5ce6c1f3535fa8 Andrea Parri 2018-03-09 318 "0: lr.w %[p], %[c]\n" 1d7f6932c522ea Guo Ren 2022-05-05 319 " addi %[rc], %[p], -1\n" 5ce6c1f3535fa8 Andrea Parri 2018-03-09 320 " bltz %[rc], 1f\n" 5ce6c1f3535fa8 Andrea Parri 2018-03-09 321 " sc.w.rl %[rc], %[rc], %[c]\n" 5ce6c1f3535fa8 Andrea Parri 2018-03-09 322 " bnez %[rc], 0b\n" 5ce6c1f3535fa8 Andrea Parri 2018-03-09 323 " fence rw, rw\n" 5ce6c1f3535fa8 Andrea Parri 2018-03-09 324 "1:\n" fab957c11efe2f Palmer Dabbelt 2017-07-10 325 : [p]"=&r" (prev), [rc]"=&r" (rc), [c]"+A" (v->counter) 1d7f6932c522ea Guo Ren 2022-05-05 326 : fab957c11efe2f Palmer Dabbelt 2017-07-10 327 : "memory"); 1d7f6932c522ea Guo Ren 2022-05-05 328 return prev - 1; fab957c11efe2f Palmer Dabbelt 2017-07-10 329 } fab957c11efe2f Palmer Dabbelt 2017-07-10 330 :::::: The code at line 317 was first introduced by commit :::::: fab957c11efe2f405e08b9f0d080524bc2631428 RISC-V: Atomic and Locking Code :::::: TO: Palmer Dabbelt :::::: CC: Palmer Dabbelt -- 0-DAY CI Kernel Test Service https://01.org/lkp