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X-OriginatorOrg: intel.com tree: https://gitee.com/anolis/intel-cloud-kernel.git devel-6.6 head: 02e32237447fad73b1113af3e12dddaf2b08b5f6 commit: 51aee14260ab017517da536fbc531488b8e67975 [98/98] iommu/ummu-core: introduce iommu sva permission operation config: x86_64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260930/202609301517.uGvbfJft-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260930/202609301517.uGvbfJft-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/r/202609301517.uGvbfJft-lkp@intel.com/ All error/warnings (new ones prefixed by >>): In file included from kernel/fork.c:103: >> ./include/linux/iommu.h:1918:40: warning: 'struct iommu_plb_gather' declared inside parameter list will not be visible outside of this definition or declaration 1918 | struct iommu_plb_gather *plb_gather) {} | ^~~~~~~~~~~~~~~~ -- In file included from drivers/net/ethernet/linkdata/sxe2/base/compat/sxe2_compat.h:22, from drivers/net/ethernet/linkdata/sxe2/sxe2pf/sxe2.h:35, from drivers/net/ethernet/linkdata/sxe2/sxe2pf/sxe2_acl.c:25: >> ./include/linux/iommu.h:1918:40: error: 'struct iommu_plb_gather' declared inside parameter list will not be visible outside of this definition or declaration [-Werror] 1918 | struct iommu_plb_gather *plb_gather) {} | ^~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- In file included from drivers/net/ethernet/linkdata/sxe2/base/compat/sxe2_compat.h:22, from drivers/net/ethernet/linkdata/sxe2/sxe2pf/sxe2_main.c:23: >> ./include/linux/iommu.h:1918:40: error: 'struct iommu_plb_gather' declared inside parameter list will not be visible outside of this definition or declaration [-Werror] 1918 | struct iommu_plb_gather *plb_gather) {} | ^~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe2/sxe2pf/sxe2_main.c:1533:27: error: 'sxe2_pm_resume' declared 'static' but never defined [-Werror=unused-function] 1533 | static int __maybe_unused sxe2_pm_resume(struct device *dev); | ^~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe2/sxe2pf/sxe2_main.c:1534:27: error: 'sxe2_pm_suspend' declared 'static' but never defined [-Werror=unused-function] 1534 | static int __maybe_unused sxe2_pm_suspend(struct device *dev); | ^~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- In file included from drivers/net/ethernet/linkdata/sxe2vf/base/compat/sxe2_compat.h:22, from drivers/net/ethernet/linkdata/sxe2vf/sxe2vf/sxe2vf_main.c:24: >> ./include/linux/iommu.h:1918:40: error: 'struct iommu_plb_gather' declared inside parameter list will not be visible outside of this definition or declaration [-Werror] 1918 | struct iommu_plb_gather *plb_gather) {} | ^~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe2vf/sxe2vf/sxe2vf_main.c:1864:27: error: 'sxe2vf_pm_resume' declared 'static' but never defined [-Werror=unused-function] 1864 | static int __maybe_unused sxe2vf_pm_resume(struct device *dev); | ^~~~~~~~~~~~~~~~ drivers/net/ethernet/linkdata/sxe2vf/sxe2vf/sxe2vf_main.c:1865:27: error: 'sxe2vf_pm_suspend' declared 'static' but never defined [-Werror=unused-function] 1865 | static int __maybe_unused sxe2vf_pm_suspend(struct device *dev); | ^~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +1918 ./include/linux/iommu.h 51aee14260ab01 Lei Gong 2025-08-21 1910 51aee14260ab01 Lei Gong 2025-08-21 1911 static inline int iommu_sva_ungrant(struct iommu_sva *sva, void *va, 51aee14260ab01 Lei Gong 2025-08-21 1912 size_t size, void *cookie) 51aee14260ab01 Lei Gong 2025-08-21 1913 { 51aee14260ab01 Lei Gong 2025-08-21 1914 return -EOPNOTSUPP; 51aee14260ab01 Lei Gong 2025-08-21 1915 } 51aee14260ab01 Lei Gong 2025-08-21 1916 static inline void iommu_plb_sync_all(struct iommu_domain *domain) {} 51aee14260ab01 Lei Gong 2025-08-21 1917 static inline void iommu_plb_sync(struct iommu_domain *domain, 51aee14260ab01 Lei Gong 2025-08-21 @1918 struct iommu_plb_gather *plb_gather) {} -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki