From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) (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 39322174D9; Wed, 10 May 2023 18:55:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683744946; x=1715280946; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=qJuobSYQOCG0DEo5QmwhxaibZ7eQUmxWevHHQ5zZSig=; b=FQUEmB+2MzXYw7RrmkRJQYzCf5GXvffGbrV9PMNjidBoHIgf14244xqF ILl9+R/a3R+ad92Q5MWi9/ftNzzTkCwS5Jknv2yoSa3U+D665Z5OxPBJ6 oDdMa07xNXh2R1+iPolPz20z0AdFNA++JBWaIgKSSGQ3I8lySbHLnWZIH pMfiv24OBQpMamnzI2jijlJinRTgxaYq68BcU1uJGzLM0/kUN/xOeTmaz yH3c8vCcrJjjHY20pB9kThslEwjWaBs3irPrXVy7TtZpb0jjHVjfSdamL 1xG0n+pA+HqtvG5NDJ+jJ/GpL4ND7tBh7zjfC3NPbnzJrk7UUIlPoeAnZ A==; X-IronPort-AV: E=McAfee;i="6600,9927,10706"; a="347756401" X-IronPort-AV: E=Sophos;i="5.99,265,1677571200"; d="scan'208";a="347756401" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2023 11:55:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10706"; a="693497345" X-IronPort-AV: E=Sophos;i="5.99,265,1677571200"; d="scan'208";a="693497345" Received: from lkp-server01.sh.intel.com (HELO dea6d5a4f140) ([10.239.97.150]) by orsmga007.jf.intel.com with ESMTP; 10 May 2023 11:55:44 -0700 Received: from kbuild by dea6d5a4f140 with local (Exim 4.96) (envelope-from ) id 1pwoyV-0003W2-1S; Wed, 10 May 2023 18:55:43 +0000 Date: Thu, 11 May 2023 02:54:44 +0800 From: kernel test robot To: Johannes Berg Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: Re: [RFC PATCH 2/4] workqueue: support holding a mutex for each work Message-ID: <202305110212.TS8jPQib-lkp@intel.com> References: <20230510175846.cc21c84b0e6b.I9d3df459c43a78530d9c2046724bb45626402d5f@changeid> 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: <20230510175846.cc21c84b0e6b.I9d3df459c43a78530d9c2046724bb45626402d5f@changeid> Hi Johannes, [This is a private test report for your RFC patch.] kernel test robot noticed the following build warnings: [auto build test WARNING on wireless-next/main] [also build test WARNING on wireless/main tj-wq/for-next linus/master v6.4-rc1 next-20230510] [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/Johannes-Berg/workqueue-support-pausing-ordered-workqueues/20230511-000621 base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main patch link: https://lore.kernel.org/r/20230510175846.cc21c84b0e6b.I9d3df459c43a78530d9c2046724bb45626402d5f%40changeid patch subject: [RFC PATCH 2/4] workqueue: support holding a mutex for each work config: hexagon-randconfig-r002-20230509 (https://download.01.org/0day-ci/archive/20230511/202305110212.TS8jPQib-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project b0fb98227c90adf2536c9ad644a74d5e92961111) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/b4039a3ff5134e4344a9e12908180a69888c4c9a git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Johannes-Berg/workqueue-support-pausing-ordered-workqueues/20230511-000621 git checkout b4039a3ff5134e4344a9e12908180a69888c4c9a # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash kernel/trace/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202305110212.TS8jPQib-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from kernel/trace/trace_events.c:14: >> include/linux/workqueue.h:392:12: warning: declaration of 'struct mutex' will not be visible outside of this function [-Wvisibility] struct mutex *work_mutex, ...); ^ In file included from kernel/trace/trace_events.c:27: In file included from include/trace/syscall.h:7: In file included from include/linux/trace_events.h:9: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from kernel/trace/trace_events.c:27: In file included from include/trace/syscall.h:7: In file included from include/linux/trace_events.h:9: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from kernel/trace/trace_events.c:27: In file included from include/trace/syscall.h:7: In file included from include/linux/trace_events.h:9: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ kernel/trace/trace_events.c:2123:37: warning: unused variable 'ftrace_event_id_fops' [-Wunused-const-variable] static const struct file_operations ftrace_event_id_fops = { ^ 8 warnings generated. -- In file included from kernel/trace/power-traces.c:10: >> include/linux/workqueue.h:392:12: warning: declaration of 'struct mutex' will not be visible outside of this function [-Wvisibility] struct mutex *work_mutex, ...); ^ In file included from kernel/trace/power-traces.c:15: In file included from include/trace/events/power.h:12: In file included from include/linux/trace_events.h:9: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from kernel/trace/power-traces.c:15: In file included from include/trace/events/power.h:12: In file included from include/linux/trace_events.h:9: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from kernel/trace/power-traces.c:15: In file included from include/trace/events/power.h:12: In file included from include/linux/trace_events.h:9: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ 7 warnings generated. vim +392 include/linux/workqueue.h 389 390 __printf(1, 5) struct workqueue_struct * 391 __alloc_workqueue(const char *fmt, unsigned int flags, int max_active, > 392 struct mutex *work_mutex, ...); 393 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests