Hi Shunsuke, kernel test robot noticed the following build warnings: [auto build test WARNING on mst-vhost/linux-next] [also build test WARNING on linus/master horms-ipvs/master v6.4-rc4 next-20230602] [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/Shunsuke-Mie/vringh-IOMEM-support/20230602-135351 base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next patch link: https://lore.kernel.org/r/20230602055211.309960-2-mie%40igel.co.jp patch subject: [PATCH v4 1/1] vringh: IOMEM support config: nios2-randconfig-s053-20230531 (https://download.01.org/0day-ci/archive/20230603/202306031019.wWKekRGz-lkp@xxxxxxxxx/config) compiler: nios2-linux-gcc (GCC) 12.3.0 reproduce: mkdir -p ~/bin 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: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/de2a1f5220c32e953400f225aba6bd294a8d41b8 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Shunsuke-Mie/vringh-IOMEM-support/20230602-135351 git checkout de2a1f5220c32e953400f225aba6bd294a8d41b8 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=nios2 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=nios2 SHELL=/bin/bash drivers/vhost/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306031019.wWKekRGz-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/vhost/vringh.c:1630:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got struct vring_used_elem *dst @@ drivers/vhost/vringh.c:1630:21: sparse: expected void volatile [noderef] __iomem *addr drivers/vhost/vringh.c:1630:21: sparse: got struct vring_used_elem *dst drivers/vhost/vringh.c:592:18: sparse: sparse: restricted __virtio16 degrades to integer drivers/vhost/vringh.c:592:18: sparse: sparse: restricted __virtio16 degrades to integer drivers/vhost/vringh.c:592:18: sparse: sparse: cast to restricted __virtio16 drivers/vhost/vringh.c:1280:23: sparse: sparse: restricted __virtio16 degrades to integer drivers/vhost/vringh.c:1280:23: sparse: sparse: restricted __virtio16 degrades to integer drivers/vhost/vringh.c:1280:23: sparse: sparse: cast to restricted __virtio16 >> drivers/vhost/vringh.c:1610:46: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got restricted __virtio16 const [usertype] *p @@ drivers/vhost/vringh.c:1610:46: sparse: expected void const volatile [noderef] __iomem *addr drivers/vhost/vringh.c:1610:46: sparse: got restricted __virtio16 const [usertype] *p >> drivers/vhost/vringh.c:1610:45: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected restricted __virtio16 [usertype] val @@ got unsigned short @@ drivers/vhost/vringh.c:1610:45: sparse: expected restricted __virtio16 [usertype] val drivers/vhost/vringh.c:1610:45: sparse: got unsigned short >> drivers/vhost/vringh.c:1623:28: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void const *src @@ drivers/vhost/vringh.c:1623:28: sparse: expected void const volatile [noderef] __iomem *addr drivers/vhost/vringh.c:1623:28: sparse: got void const *src >> drivers/vhost/vringh.c:1637:28: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void *src @@ drivers/vhost/vringh.c:1637:28: sparse: expected void const volatile [noderef] __iomem *addr drivers/vhost/vringh.c:1637:28: sparse: got void *src >> drivers/vhost/vringh.c:1644:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *dst @@ drivers/vhost/vringh.c:1644:21: sparse: expected void volatile [noderef] __iomem *addr drivers/vhost/vringh.c:1644:21: sparse: got void *dst >> drivers/vhost/vringh.c:1616:34: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short [usertype] value @@ got restricted __virtio16 @@ drivers/vhost/vringh.c:1616:34: sparse: expected unsigned short [usertype] value drivers/vhost/vringh.c:1616:34: sparse: got restricted __virtio16 >> drivers/vhost/vringh.c:1616:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got restricted __virtio16 [usertype] *p @@ drivers/vhost/vringh.c:1616:46: sparse: expected void volatile [noderef] __iomem *addr drivers/vhost/vringh.c:1616:46: sparse: got restricted __virtio16 [usertype] *p drivers/vhost/vringh.c: note: in included file (through include/uapi/linux/swab.h, include/linux/swab.h, include/uapi/linux/byteorder/little_endian.h, ...): arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:31:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini arch/nios2/include/uapi/asm/swab.h:25:24: sparse: sparse: too many arguments for function __builtin_custom_ini vim +1630 drivers/vhost/vringh.c 1606 1607 static inline int getu16_iomem(const struct vringh *vrh, u16 *val, 1608 const __virtio16 *p) 1609 { > 1610 *val = vringh16_to_cpu(vrh, ioread16(p)); 1611 return 0; 1612 } 1613 1614 static inline int putu16_iomem(const struct vringh *vrh, __virtio16 *p, u16 val) 1615 { > 1616 iowrite16(cpu_to_vringh16(vrh, val), p); 1617 return 0; 1618 } 1619 1620 static inline int copydesc_iomem(const struct vringh *vrh, void *dst, 1621 const void *src, size_t len) 1622 { > 1623 memcpy_fromio(dst, src, len); 1624 return 0; 1625 } 1626 1627 static int putused_iomem(const struct vringh *vrh, struct vring_used_elem *dst, 1628 const struct vring_used_elem *src, unsigned int num) 1629 { > 1630 memcpy_toio(dst, src, num * sizeof(*dst)); 1631 return 0; 1632 } 1633 1634 static inline int xfer_from_iomem(const struct vringh *vrh, void *src, 1635 void *dst, size_t len) 1636 { > 1637 memcpy_fromio(dst, src, len); 1638 return 0; 1639 } 1640 1641 static inline int xfer_to_iomem(const struct vringh *vrh, void *dst, void *src, 1642 size_t len) 1643 { > 1644 memcpy_toio(dst, src, len); 1645 return 0; 1646 } 1647 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
