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 7202AC433EF for ; Sat, 4 Jun 2022 14:37:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236920AbiFDOhs (ORCPT ); Sat, 4 Jun 2022 10:37:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236840AbiFDOhn (ORCPT ); Sat, 4 Jun 2022 10:37:43 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C363C1C918 for ; Sat, 4 Jun 2022 07:37:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1654353461; x=1685889461; h=date:from:to:cc:subject:message-id:mime-version; bh=f2V/ymNlX/Fb8qfD/ShFKyEi+mN2l0NI0+vAL5qSiZc=; b=CLnn0tiE41RGM26kDsehpDAPWIBEh8UIKd+suFE7ffad/anU5aWWGACj To0CJ57f4SRp3RP0xe2zRglvd6tSGwQN3Yhq9VXzUycI0sYI7OZzJP4Mp 1vfbGyL33sK1kWAQb/AH9d30ECXMEDVzL9iSk0lLsldY/sksZr6vAnEE8 7P7SiP54/95r709uasSoKi/4KN1tXQbCyXRb6rcSqNkR3JINRev5z511U t+kgej2lBqeBRKt/lpIMASK91+jbSyky6H3dcDsmYDLro+Gvn8rubL1Bd 7iI52kXOv/wcemS9s6JA60g1QnjRJkLacZ9da/JkoJKt0AMRjtUZ2weL/ Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10368"; a="276506584" X-IronPort-AV: E=Sophos;i="5.91,277,1647327600"; d="scan'208";a="276506584" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jun 2022 07:37:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,277,1647327600"; d="scan'208";a="757872650" Received: from lkp-server01.sh.intel.com (HELO 60dabacc1df6) ([10.239.97.150]) by orsmga005.jf.intel.com with ESMTP; 04 Jun 2022 07:37:39 -0700 Received: from kbuild by 60dabacc1df6 with local (Exim 4.95) (envelope-from ) id 1nxUuJ-000Awp-54; Sat, 04 Jun 2022 14:37:39 +0000 Date: Sat, 4 Jun 2022 22:36:40 +0800 From: kernel test robot To: Al Viro Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Rich Felker Subject: arch/sh/kernel/traps_32.c:574:9: sparse: sparse: incorrect type in initializer (different address spaces) Message-ID: <202206042243.Lmt7DB09-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: 032dcf09e2bf7c822be25b4abef7a6c913870d98 commit: ca42bc4b7bda7c6d68f1cc97c27fc8ff7385c4c7 sh: fix trivial misannotations date: 9 months ago config: sh-randconfig-s031-20220603 (https://download.01.org/0day-ci/archive/20220604/202206042243.Lmt7DB09-lkp@intel.com/config) compiler: sh4-linux-gcc (GCC) 11.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-18-g56afb504-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca42bc4b7bda7c6d68f1cc97c27fc8ff7385c4c7 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout ca42bc4b7bda7c6d68f1cc97c27fc8ff7385c4c7 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sh SHELL=/bin/bash arch/sh/kernel/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> arch/sh/kernel/traps_32.c:574:9: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned short const [noderef] __user *__gu_addr @@ got unsigned short * @@ arch/sh/kernel/traps_32.c:574:9: sparse: expected unsigned short const [noderef] __user *__gu_addr arch/sh/kernel/traps_32.c:574:9: sparse: got unsigned short * arch/sh/kernel/traps_32.c:563:5: sparse: sparse: symbol 'is_dsp_inst' was not declared. Should it be static? vim +574 arch/sh/kernel/traps_32.c ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 558 ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 559 #ifdef CONFIG_SH_DSP ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 560 /* ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 561 * SH-DSP support gerg@snapgear.com. ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 562 */ ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 563 int is_dsp_inst(struct pt_regs *regs) ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 564 { 882c12c4e1a95e arch/sh/kernel/traps.c Paul Mundt 2007-05-14 565 unsigned short inst = 0; ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 566 ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 567 /* ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 568 * Safe guard if DSP mode is already enabled or we're lacking ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 569 * the DSP altogether. ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 570 */ 11c1965687b0a4 arch/sh/kernel/traps.c Paul Mundt 2006-12-25 571 if (!(current_cpu_data.flags & CPU_HAS_DSP) || (regs->sr & SR_DSP)) ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 572 return 0; ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 573 ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 @574 get_user(inst, ((unsigned short *) regs->pc)); ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 575 ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 576 inst &= 0xf000; ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 577 ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 578 /* Check for any type of DSP or support instruction */ ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 579 if ((inst == 0xf000) || (inst == 0x4000)) ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 580 return 1; ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 581 ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 582 return 0; ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 583 } ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 584 #else ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 585 #define is_dsp_inst(regs) (0) ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 586 #endif /* CONFIG_SH_DSP */ ^1da177e4c3f41 arch/sh/kernel/traps.c Linus Torvalds 2005-04-16 587 :::::: The code at line 574 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://01.org/lkp