From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) (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 C838E110E; Fri, 7 Apr 2023 06:52:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1680850356; x=1712386356; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=avlNllpfBNmaoPYrWuLFtuBkbN+pnFsMxdE+AmyQJEA=; b=Zds+Rat5HuEZDYx86UsAApao2Cc2lQfOjn2mQqtCoA46oynQ82oO0Wl3 2bymItz9ZL281ND6dbxYwKv19zhaaX23rkkVqZybKKq2De/YeUQiWStbq F7bYsyKNV+Bx91gpUz2l9xs+qhkcVsYc0wsoLUotlVgTVZ6up87uPlG4a f0K6/BUuvwWvyGN6R7zSAzBjQjrlVA/5Kyrj4qMBoRGC2FcHnXnZ1BXuK tn+o3dEv7xWOlUx5BHwC0exggcb/y9nrW9MpiOuJdApevx3RgucScFYoB Kh315iZXv6ciwW3JD3GeMw2uTzxFFjAwBq5k8gawkIkVBLFIzOiTGKxQC Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10672"; a="342945249" X-IronPort-AV: E=Sophos;i="5.98,326,1673942400"; d="scan'208";a="342945249" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Apr 2023 23:52:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10672"; a="687435135" X-IronPort-AV: E=Sophos;i="5.98,326,1673942400"; d="scan'208";a="687435135" Received: from lkp-server01.sh.intel.com (HELO b613635ddfff) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 06 Apr 2023 23:52:32 -0700 Received: from kbuild by b613635ddfff with local (Exim 4.96) (envelope-from ) id 1pkfxX-000SDC-1f; Fri, 07 Apr 2023 06:52:31 +0000 Date: Fri, 7 Apr 2023 14:51:58 +0800 From: kernel test robot To: Christoph Hellwig Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH 15/16] zram: fix synchronous reads Message-ID: <202304071443.4xWaXjV6-lkp@intel.com> References: <20230406144102.149231-16-hch@lst.de> 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: <20230406144102.149231-16-hch@lst.de> Hi Christoph, kernel test robot noticed the following build errors: [auto build test ERROR on axboe-block/for-next] [also build test ERROR on linus/master v6.3-rc5 next-20230406] [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/Christoph-Hellwig/zram-make-zram_bio_discard-more-self-contained/20230406-234133 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20230406144102.149231-16-hch%40lst.de patch subject: [PATCH 15/16] zram: fix synchronous reads config: hexagon-randconfig-r024-20230405 (https://download.01.org/0day-ci/archive/20230407/202304071443.4xWaXjV6-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 2c57868e2e877f73c339796c3374ae660bb77f0d) 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/e4596d7c2cf157f5b3d566cb2cc0769c9232a728 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Christoph-Hellwig/zram-make-zram_bio_discard-more-self-contained/20230406-234133 git checkout e4596d7c2cf157f5b3d566cb2cc0769c9232a728 # 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 drivers/block/zram/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202304071443.4xWaXjV6-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/block/zram/zram_drv.c:20: In file included from include/linux/bio.h:10: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: 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 drivers/block/zram/zram_drv.c:20: In file included from include/linux/bio.h:10: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: 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 drivers/block/zram/zram_drv.c:20: In file included from include/linux/bio.h:10: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: 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); ~~~~~~~~~~ ^ >> drivers/block/zram/zram_drv.c:778:18: error: variable has incomplete type 'struct bio_bvec' struct bio_bvec bv; ^ drivers/block/zram/zram_drv.c:778:9: note: forward declaration of 'struct bio_bvec' struct bio_bvec bv; ^ 6 warnings and 1 error generated. vim +778 drivers/block/zram/zram_drv.c 774 775 static void zram_sync_read(struct work_struct *work) 776 { 777 struct zram_work *zw = container_of(work, struct zram_work, work); > 778 struct bio_bvec bv; 779 struct bio bio; 780 781 bio_init(&bio, zw->zram->bdev, &bv, 1, REQ_OP_READ); 782 bio.bi_iter.bi_sector = zw->entry * (PAGE_SIZE >> 9); 783 __bio_add_page(&bio, zw->page, PAGE_SIZE, 0); 784 submit_bio_wait(&bio); 785 } 786 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests