Hi Shunsuke, kernel test robot noticed the following build errors: [auto build test ERROR on mst-vhost/linux-next] [also build test ERROR 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: i386-randconfig-i003-20230531 (https://download.01.org/0day-ci/archive/20230603/202306030216.bpWr6XV0-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): # 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 make W=1 O=build_dir ARCH=i386 olddefconfig make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash 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/202306030216.bpWr6XV0-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/vhost/vringh.c: In function 'getu16_iomem': >> drivers/vhost/vringh.c:1610:37: error: implicit declaration of function 'ioread16' [-Werror=implicit-function-declaration] 1610 | *val = vringh16_to_cpu(vrh, ioread16(p)); | ^~~~~~~~ drivers/vhost/vringh.c: In function 'putu16_iomem': >> drivers/vhost/vringh.c:1616:9: error: implicit declaration of function 'iowrite16' [-Werror=implicit-function-declaration] 1616 | iowrite16(cpu_to_vringh16(vrh, val), p); | ^~~~~~~~~ drivers/vhost/vringh.c: In function 'copydesc_iomem': >> drivers/vhost/vringh.c:1623:9: error: implicit declaration of function 'memcpy_fromio'; did you mean 'memcpy_from_bvec'? [-Werror=implicit-function-declaration] 1623 | memcpy_fromio(dst, src, len); | ^~~~~~~~~~~~~ | memcpy_from_bvec drivers/vhost/vringh.c: In function 'putused_iomem': >> drivers/vhost/vringh.c:1630:9: error: implicit declaration of function 'memcpy_toio' [-Werror=implicit-function-declaration] 1630 | memcpy_toio(dst, src, num * sizeof(*dst)); | ^~~~~~~~~~~ drivers/vhost/vringh.c: At top level: drivers/vhost/vringh.c:1661:5: warning: no previous prototype for 'vringh_init_iomem' [-Wmissing-prototypes] 1661 | int vringh_init_iomem(struct vringh *vrh, u64 features, unsigned int num, | ^~~~~~~~~~~~~~~~~ drivers/vhost/vringh.c:1683:5: warning: no previous prototype for 'vringh_getdesc_iomem' [-Wmissing-prototypes] 1683 | int vringh_getdesc_iomem(struct vringh *vrh, struct vringh_kiov *riov, | ^~~~~~~~~~~~~~~~~~~~ drivers/vhost/vringh.c:1714:9: warning: no previous prototype for 'vringh_iov_pull_iomem' [-Wmissing-prototypes] 1714 | ssize_t vringh_iov_pull_iomem(struct vringh *vrh, struct vringh_kiov *riov, | ^~~~~~~~~~~~~~~~~~~~~ drivers/vhost/vringh.c:1729:9: warning: no previous prototype for 'vringh_iov_push_iomem' [-Wmissing-prototypes] 1729 | ssize_t vringh_iov_push_iomem(struct vringh *vrh, struct vringh_kiov *wiov, | ^~~~~~~~~~~~~~~~~~~~~ drivers/vhost/vringh.c:1744:6: warning: no previous prototype for 'vringh_abandon_iomem' [-Wmissing-prototypes] 1744 | void vringh_abandon_iomem(struct vringh *vrh, unsigned int num) | ^~~~~~~~~~~~~~~~~~~~ drivers/vhost/vringh.c:1759:5: warning: no previous prototype for 'vringh_complete_iomem' [-Wmissing-prototypes] 1759 | int vringh_complete_iomem(struct vringh *vrh, u16 head, u32 len) | ^~~~~~~~~~~~~~~~~~~~~ drivers/vhost/vringh.c:1777:6: warning: no previous prototype for 'vringh_notify_enable_iomem' [-Wmissing-prototypes] 1777 | bool vringh_notify_enable_iomem(struct vringh *vrh) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/vhost/vringh.c:1790:6: warning: no previous prototype for 'vringh_notify_disable_iomem' [-Wmissing-prototypes] 1790 | void vringh_notify_disable_iomem(struct vringh *vrh) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/vhost/vringh.c:1802:5: warning: no previous prototype for 'vringh_need_notify_iomem' [-Wmissing-prototypes] 1802 | int vringh_need_notify_iomem(struct vringh *vrh) | ^~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/ioread16 +1610 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 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
