tree/branch: https://gitee.com/openeuler/kernel.git OLK-6.6 branch HEAD: 1910604f7315d411c0c10359055daddee968441f !11496 virtcca feature：Fix warnings

Error/Warning (recently discovered and may have been fixed):

https://lore.kernel.org/oe-kbuild-all/202409141939.mPFkQsG4-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202409150029.IPJpZTLQ-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202409150229.qo22nype-lkp@intel.com

include/linux/compiler-gcc.h:132:33: warning: 'alias' attribute ignored [-Wattributes] include/linux/syscalls.h:249:25: warning: '__se_sys_membarrier' defined but not used [-Wunused-function] kernel/sched/autogroup.c:129:6: warning: 'task_wants_autogroup' defined but not used [-Wunused-function] kernel/sched/autogroup.c:147:6: warning: 'sched_autogroup_exit_task' defined but not used [-Wunused-function] kernel/sched/autogroup.c:211:6: warning: 'sched_autogroup_fork' defined but not used [-Wunused-function] kernel/sched/autogroup.c:216:6: warning: 'sched_autogroup_exit' defined but not used [-Wunused-function] kernel/sched/autogroup.c:231:5: warning: 'proc_sched_autogroup_set_nice' defined but not used [-Wunused-function] kernel/sched/autogroup.c:269:6: warning: 'proc_sched_autogroup_show_task' defined but not used [-Wunused-function] kernel/sched/autogroup.c:285:5: warning: 'autogroup_path' defined but not used [-Wunused-function] kernel/sched/autogroup.c:33:13: warning: 'autogroup_init' defined but not used [-Wunused-function] kernel/sched/autogroup.c:42:6: warning: 'autogroup_free' defined but not used [-Wunused-function] kernel/sched/membarrier.c:217:6: warning: 'membarrier_exec_mmap' defined but not used [-Wunused-function] kernel/sched/membarrier.c:233:6: warning: 'membarrier_update_current_mm' defined but not used [-Wunused-function] kernel/sched/psi.c:1168:6: warning: 'psi_task_switch' defined but not used [-Wunused-function] kernel/sched/psi.c:1373:5: warning: 'psi_cgroup_alloc' defined but not used [-Wunused-function] kernel/sched/psi.c:1392:6: warning: 'psi_cgroup_free' defined but not used [-Wunused-function] kernel/sched/psi.c:1416:6: warning: 'cgroup_move_task' defined but not used [-Wunused-function] kernel/sched/psi.c:1471:6: warning: 'psi_cgroup_restart' defined but not used [-Wunused-function] kernel/sched/psi.c:178:13: warning: 'psi_avgs_work' used but never defined kernel/sched/psi.c:180:13: warning: 'poll_timer_fn' used but never defined kernel/sched/psi.c:949:13: warning: 'poll_timer_fn' defined but not used [-Wunused-function] mm/page_alloc.c:4110:9: error: call to undeclared function 'dynamic_pool_should_alloc'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]

Error/Warning ids grouped by kconfigs:

recent_errors |-- arm64-allmodconfig | `-- drivers-iommu-arm-arm-smmu-v3-arm-s-smmu-v3.c:warning:no-previous-prototype-for-function-virtcca_smmu_gerror_handler |-- arm64-randconfig-001-20240913 | `-- mm-page_alloc.c:error:call-to-undeclared-function-dynamic_pool_should_alloc-ISO-C99-and-later-do-not-support-implicit-function-declarations-Werror-Wimplicit-function-declaration `-- loongarch-randconfig-r133-20240913 |-- drivers-cpuinspect-inspector.c:sparse:sparse:symbol-prev_cpu_inspector-was-not-declared.-Should-it-be-static |-- drivers-cpuinspect-sysfs.c:sparse:sparse:symbol-cpu_utility_show-was-not-declared.-Should-it-be-static |-- drivers-cpuinspect-sysfs.c:sparse:sparse:symbol-cpu_utility_store-was-not-declared.-Should-it-be-static |-- drivers-cpuinspect-sysfs.c:sparse:sparse:symbol-patrol_complete_show-was-not-declared.-Should-it-be-static |-- drivers-cpuinspect-sysfs.c:sparse:sparse:symbol-patrol_times_show-was-not-declared.-Should-it-be-static |-- drivers-cpuinspect-sysfs.c:sparse:sparse:symbol-patrol_times_store-was-not-declared.-Should-it-be-static |-- drivers-cpuinspect-sysfs.c:sparse:sparse:symbol-start_patrol_store-was-not-declared.-Should-it-be-static |-- drivers-pci-controller-pci-loongson.c:sparse:sparse:incorrect-type-in-argument-(different-address-spaces)-expected-void-volatile-noderef-__iomem-addr-got-void-volatile |-- include-linux-compiler-gcc.h:warning:alias-attribute-ignored |-- include-linux-syscalls.h:warning:__se_sys_membarrier-defined-but-not-used |-- kernel-sched-autogroup.c:warning:autogroup_free-defined-but-not-used |-- kernel-sched-autogroup.c:warning:autogroup_init-defined-but-not-used |-- kernel-sched-autogroup.c:warning:autogroup_path-defined-but-not-used |-- kernel-sched-autogroup.c:warning:proc_sched_autogroup_set_nice-defined-but-not-used |-- kernel-sched-autogroup.c:warning:proc_sched_autogroup_show_task-defined-but-not-used |-- kernel-sched-autogroup.c:warning:sched_autogroup_exit-defined-but-not-used |-- kernel-sched-autogroup.c:warning:sched_autogroup_exit_task-defined-but-not-used |-- kernel-sched-autogroup.c:warning:sched_autogroup_fork-defined-but-not-used |-- kernel-sched-autogroup.c:warning:task_wants_autogroup-defined-but-not-used |-- kernel-sched-membarrier.c:warning:membarrier_exec_mmap-defined-but-not-used |-- kernel-sched-membarrier.c:warning:membarrier_update_current_mm-defined-but-not-used |-- kernel-sched-psi.c:warning:cgroup_move_task-defined-but-not-used |-- kernel-sched-psi.c:warning:poll_timer_fn-defined-but-not-used |-- kernel-sched-psi.c:warning:poll_timer_fn-used-but-never-defined |-- kernel-sched-psi.c:warning:psi_avgs_work-used-but-never-defined |-- kernel-sched-psi.c:warning:psi_cgroup_alloc-defined-but-not-used |-- kernel-sched-psi.c:warning:psi_cgroup_free-defined-but-not-used |-- kernel-sched-psi.c:warning:psi_cgroup_restart-defined-but-not-used `-- kernel-sched-psi.c:warning:psi_task_switch-defined-but-not-used

elapsed time: 1039m

configs tested: 20 configs skipped: 134

tested configs: arm64 allmodconfig clang-20 arm64 allnoconfig gcc-14.1.0 arm64 randconfig-001-20240915 clang-20 arm64 randconfig-002-20240915 gcc-14.1.0 arm64 randconfig-003-20240915 clang-20 arm64 randconfig-004-20240915 gcc-14.1.0 loongarch allmodconfig gcc-14.1.0 loongarch allnoconfig gcc-14.1.0 loongarch randconfig-001-20240915 gcc-14.1.0 loongarch randconfig-002-20240915 gcc-14.1.0 x86_64 allnoconfig clang-18 x86_64 allyesconfig clang-18 x86_64 buildonly-randconfig-001-20240915 gcc-12 x86_64 buildonly-randconfig-002-20240915 gcc-12 x86_64 buildonly-randconfig-003-20240915 clang-18 x86_64 buildonly-randconfig-004-20240915 clang-18 x86_64 buildonly-randconfig-005-20240915 clang-18 x86_64 buildonly-randconfig-006-20240915 gcc-12 x86_64 defconfig gcc-11 x86_64 rhel-8.3-rust clang-18

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