* Re: [PATCH 15/16] zram: fix synchronous reads
[not found] <20230406144102.149231-16-hch@lst.de>
@ 2023-04-07 6:51 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-04-07 6:51 UTC (permalink / raw)
To: Christoph Hellwig; +Cc: llvm, oe-kbuild-all
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 <lkp@intel.com>
| 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
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