diff options
Diffstat (limited to 'include/linux')
55 files changed, 1088 insertions, 361 deletions
diff --git a/include/linux/a.out.h b/include/linux/a.out.h deleted file mode 100644 index 600cf45645c6..000000000000 --- a/include/linux/a.out.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __A_OUT_GNU_H__ -#define __A_OUT_GNU_H__ - -#include <uapi/linux/a.out.h> - -#ifndef __ASSEMBLY__ -#ifdef linux -#include <asm/page.h> -#if defined(__i386__) || defined(__mc68000__) -#else -#ifndef SEGMENT_SIZE -#define SEGMENT_SIZE PAGE_SIZE -#endif -#endif -#endif -#endif /*__ASSEMBLY__ */ -#endif /* __A_OUT_GNU_H__ */ diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 6f64b2f3dc54..2f9193b8dfc1 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -279,14 +279,17 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); +#if defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH) +void acpi_arch_dma_setup(struct device *dev); +#else +static inline void acpi_arch_dma_setup(struct device *dev) { } +#endif + #ifdef CONFIG_ARM64 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); -void acpi_arch_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size); #else static inline void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } -static inline void -acpi_arch_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size) { } #endif int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); @@ -506,6 +509,7 @@ int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, void *preproc_data); int acpi_dev_get_dma_resources(struct acpi_device *adev, struct list_head *list); +int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list); int acpi_dev_filter_resource_type(struct acpi_resource *ares, unsigned long types); @@ -798,6 +802,11 @@ acpi_dev_hid_uid_match(struct acpi_device *adev, const char *hid2, const char *u return false; } +static inline int acpi_dev_uid_to_integer(struct acpi_device *adev, u64 *integer) +{ + return -ENODEV; +} + static inline struct acpi_device * acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) { @@ -977,8 +986,7 @@ static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) return DEV_DMA_NOT_SUPPORTED; } -static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr, - u64 *offset, u64 *size) +static inline int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) { return -ENODEV; } diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h index 3dc20c4f394c..8d51f69f9f5e 100644 --- a/include/linux/binfmts.h +++ b/include/linux/binfmts.h @@ -43,9 +43,6 @@ struct linux_binprm { * original userspace. */ point_of_no_return:1; -#ifdef __alpha__ - unsigned int taso:1; -#endif struct file *executable; /* Executable to pass to the interpreter */ struct file *interpreter; struct file *file; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 84b13fdd34a7..8038c5fbde40 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1498,6 +1498,7 @@ int sync_blockdev(struct block_device *bdev); int sync_blockdev_range(struct block_device *bdev, loff_t lstart, loff_t lend); int sync_blockdev_nowait(struct block_device *bdev); void sync_bdevs(bool wait); +void bdev_statx_dioalign(struct inode *inode, struct kstat *stat); void printk_all_partitions(void); #else static inline void invalidate_bdev(struct block_device *bdev) @@ -1514,6 +1515,9 @@ static inline int sync_blockdev_nowait(struct block_device *bdev) static inline void sync_bdevs(bool wait) { } +static inline void bdev_statx_dioalign(struct inode *inode, struct kstat *stat) +{ +} static inline void printk_all_partitions(void) { } diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 9c1674973e03..9e7d46d16032 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -280,14 +280,33 @@ static inline void check_and_init_map_value(struct bpf_map *map, void *dst) } } -/* copy everything but bpf_spin_lock and bpf_timer. There could be one of each. */ -static inline void copy_map_value(struct bpf_map *map, void *dst, void *src) +/* memcpy that is used with 8-byte aligned pointers, power-of-8 size and + * forced to use 'long' read/writes to try to atomically copy long counters. + * Best-effort only. No barriers here, since it _will_ race with concurrent + * updates from BPF programs. Called from bpf syscall and mostly used with + * size 8 or 16 bytes, so ask compiler to inline it. + */ +static inline void bpf_long_memcpy(void *dst, const void *src, u32 size) +{ + const long *lsrc = src; + long *ldst = dst; + + size /= sizeof(long); + while (size--) + *ldst++ = *lsrc++; +} + +/* copy everything but bpf_spin_lock, bpf_timer, and kptrs. There could be one of each. */ +static inline void __copy_map_value(struct bpf_map *map, void *dst, void *src, bool long_memcpy) { u32 curr_off = 0; int i; if (likely(!map->off_arr)) { - memcpy(dst, src, map->value_size); + if (long_memcpy) + bpf_long_memcpy(dst, src, round_up(map->value_size, 8)); + else + memcpy(dst, src, map->value_size); return; } @@ -299,6 +318,36 @@ static inline void copy_map_value(struct bpf_map *map, void *dst, void *src) } memcpy(dst + curr_off, src + curr_off, map->value_size - curr_off); } + +static inline void copy_map_value(struct bpf_map *map, void *dst, void *src) +{ + __copy_map_value(map, dst, src, false); +} + +static inline void copy_map_value_long(struct bpf_map *map, void *dst, void *src) +{ + __copy_map_value(map, dst, src, true); +} + +static inline void zero_map_value(struct bpf_map *map, void *dst) +{ + u32 curr_off = 0; + int i; + + if (likely(!map->off_arr)) { + memset(dst, 0, map->value_size); + return; + } + + for (i = 0; i < map->off_arr->cnt; i++) { + u32 next_off = map->off_arr->field_off[i]; + + memset(dst + curr_off, 0, next_off - curr_off); + curr_off += map->off_arr->field_sz[i]; + } + memset(dst + curr_off, 0, map->value_size - curr_off); +} + void copy_map_value_locked(struct bpf_map *map, void *dst, void *src, bool lock_src); void bpf_timer_cancel_and_free(void *timer); @@ -402,7 +451,7 @@ enum bpf_type_flag { /* DYNPTR points to memory local to the bpf program. */ DYNPTR_TYPE_LOCAL = BIT(8 + BPF_BASE_TYPE_BITS), - /* DYNPTR points to a ringbuf record. */ + /* DYNPTR points to a kernel-produced ringbuf record. */ DYNPTR_TYPE_RINGBUF = BIT(9 + BPF_BASE_TYPE_BITS), /* Size is known at compile time. */ @@ -607,6 +656,7 @@ enum bpf_reg_type { PTR_TO_MEM, /* reg points to valid memory region */ PTR_TO_BUF, /* reg points to a read/write buffer */ PTR_TO_FUNC, /* reg points to a bpf program function */ + PTR_TO_DYNPTR, /* reg points to a dynptr */ __BPF_REG_TYPE_MAX, /* Extended reg_types. */ @@ -727,10 +777,14 @@ enum bpf_cgroup_storage_type { */ #define MAX_BPF_FUNC_REG_ARGS 5 +/* The argument is a structure. */ +#define BTF_FMODEL_STRUCT_ARG BIT(0) + struct btf_func_model { u8 ret_size; u8 nr_args; u8 arg_size[MAX_BPF_FUNC_ARGS]; + u8 arg_flags[MAX_BPF_FUNC_ARGS]; }; /* Restore arguments before returning from trampoline to let original function @@ -810,6 +864,10 @@ u64 notrace __bpf_prog_enter_lsm_cgroup(struct bpf_prog *prog, struct bpf_tramp_run_ctx *run_ctx); void notrace __bpf_prog_exit_lsm_cgroup(struct bpf_prog *prog, u64 start, struct bpf_tramp_run_ctx *run_ctx); +u64 notrace __bpf_prog_enter_struct_ops(struct bpf_prog *prog, + struct bpf_tramp_run_ctx *run_ctx); +void notrace __bpf_prog_exit_struct_ops(struct bpf_prog *prog, u64 start, + struct bpf_tramp_run_ctx *run_ctx); void notrace __bpf_tramp_enter(struct bpf_tramp_image *tr); void notrace __bpf_tramp_exit(struct bpf_tramp_image *tr); @@ -892,6 +950,7 @@ struct bpf_dispatcher { struct bpf_dispatcher_prog progs[BPF_DISPATCHER_MAX]; int num_progs; void *image; + void *rw_image; u32 image_off; struct bpf_ksym ksym; }; @@ -910,7 +969,7 @@ int bpf_trampoline_unlink_prog(struct bpf_tramp_link *link, struct bpf_trampolin struct bpf_trampoline *bpf_trampoline_get(u64 key, struct bpf_attach_target_info *tgt_info); void bpf_trampoline_put(struct bpf_trampoline *tr); -int arch_prepare_bpf_dispatcher(void *image, s64 *funcs, int num_funcs); +int arch_prepare_bpf_dispatcher(void *image, void *buf, s64 *funcs, int num_funcs); #define BPF_DISPATCHER_INIT(_name) { \ .mutex = __MUTEX_INITIALIZER(_name.mutex), \ .func = &_name##_func, \ @@ -924,7 +983,14 @@ int arch_prepare_bpf_dispatcher(void *image, s64 *funcs, int num_funcs); }, \ } +#ifdef CONFIG_X86_64 +#define BPF_DISPATCHER_ATTRIBUTES __attribute__((patchable_function_entry(5))) +#else +#define BPF_DISPATCHER_ATTRIBUTES +#endif + #define DEFINE_BPF_DISPATCHER(name) \ + notrace BPF_DISPATCHER_ATTRIBUTES \ noinline __nocfi unsigned int bpf_dispatcher_##name##_func( \ const void *ctx, \ const struct bpf_insn *insnsi, \ @@ -946,7 +1012,6 @@ int arch_prepare_bpf_dispatcher(void *image, s64 *funcs, int num_funcs); void bpf_dispatcher_change_prog(struct bpf_dispatcher *d, struct bpf_prog *from, struct bpf_prog *to); /* Called only from JIT-enabled code, so there's no need for stubs. */ -void *bpf_jit_alloc_exec_page(void); void bpf_image_ksym_add(void *data, struct bpf_ksym *ksym); void bpf_image_ksym_del(struct bpf_ksym *ksym); void bpf_ksym_add(struct bpf_ksym *ksym); @@ -1334,6 +1399,11 @@ struct bpf_array { #define BPF_MAP_CAN_READ BIT(0) #define BPF_MAP_CAN_WRITE BIT(1) +/* Maximum number of user-producer ring buffer samples that can be drained in + * a call to bpf_user_ringbuf_drain(). + */ +#define BPF_MAX_USER_RINGBUF_SAMPLES (128 * 1024) + static inline u32 bpf_map_flags_to_cap(struct bpf_map *map) { u32 access_flags = map->map_flags & (BPF_F_RDONLY_PROG | BPF_F_WRONLY_PROG); @@ -1730,6 +1800,27 @@ int bpf_obj_get_user(const char __user *pathname, int flags); extern int bpf_iter_ ## target(args); \ int __init bpf_iter_ ## target(args) { return 0; } +/* + * The task type of iterators. + * + * For BPF task iterators, they can be parameterized with various + * parameters to visit only some of tasks. + * + * BPF_TASK_ITER_ALL (default) + * Iterate over resources of every task. + * + * BPF_TASK_ITER_TID + * Iterate over resources of a task/tid. + * + * BPF_TASK_ITER_TGID + * Iterate over resources of every task of a process / task group. + */ +enum bpf_iter_task_type { + BPF_TASK_ITER_ALL = 0, + BPF_TASK_ITER_TID, + BPF_TASK_ITER_TGID, +}; + struct bpf_iter_aux_info { /* for map_elem iter */ struct bpf_map *map; @@ -1739,6 +1830,10 @@ struct bpf_iter_aux_info { struct cgroup *start; /* starting cgroup */ enum bpf_cgroup_iter_order order; } cgroup; + struct { + enum bpf_iter_task_type type; + u32 pid; + } task; }; typedef int (*bpf_iter_attach_target_t)(struct bpf_prog *prog, @@ -1823,22 +1918,6 @@ int bpf_get_file_flag(int flags); int bpf_check_uarg_tail_zero(bpfptr_t uaddr, size_t expected_size, size_t actual_size); -/* memcpy that is used with 8-byte aligned pointers, power-of-8 size and - * forced to use 'long' read/writes to try to atomically copy long counters. - * Best-effort only. No barriers here, since it _will_ race with concurrent - * updates from BPF programs. Called from bpf syscall and mostly used with - * size 8 or 16 bytes, so ask compiler to inline it. - */ -static inline void bpf_long_memcpy(void *dst, const void *src, u32 size) -{ - const long *lsrc = src; - long *ldst = dst; - - size /= sizeof(long); - while (size--) - *ldst++ = *lsrc++; -} - /* verify correctness of eBPF program */ int bpf_check(struct bpf_prog **fp, union bpf_attr *attr, bpfptr_t uattr); @@ -1940,13 +2019,22 @@ int btf_distill_func_proto(struct bpf_verifier_log *log, const char *func_name, struct btf_func_model *m); +struct bpf_kfunc_arg_meta { + u64 r0_size; + bool r0_rdonly; + int ref_obj_id; + u32 flags; +}; + struct bpf_reg_state; int btf_check_subprog_arg_match(struct bpf_verifier_env *env, int subprog, struct bpf_reg_state *regs); +int btf_check_subprog_call(struct bpf_verifier_env *env, int subprog, + struct bpf_reg_state *regs); int btf_check_kfunc_arg_match(struct bpf_verifier_env *env, const struct btf *btf, u32 func_id, struct bpf_reg_state *regs, - u32 kfunc_flags); + struct bpf_kfunc_arg_meta *meta); int btf_prepare_func_args(struct bpf_verifier_env *env, int subprog, struct bpf_reg_state *reg); int btf_check_type_match(struct bpf_verifier_log *log, const struct bpf_prog *prog, @@ -1983,6 +2071,8 @@ static inline bool has_current_bpf_ctx(void) { return !!current->bpf_ctx; } + +void notrace bpf_prog_inc_misses_counter(struct bpf_prog *prog); #else /* !CONFIG_BPF_SYSCALL */ static inline struct bpf_prog *bpf_prog_get(u32 ufd) { @@ -2165,6 +2255,15 @@ static inline struct bpf_prog *bpf_prog_by_id(u32 id) return ERR_PTR(-ENOTSUPP); } +static inline int btf_struct_access(struct bpf_verifier_log *log, + const struct btf *btf, + const struct btf_type *t, int off, int size, + enum bpf_access_type atype, + u32 *next_btf_id, enum bpf_type_flag *flag) +{ + return -EACCES; +} + static inline const struct bpf_func_proto * bpf_base_func_proto(enum bpf_func_id func_id) { @@ -2196,6 +2295,10 @@ static inline bool has_current_bpf_ctx(void) { return false; } + +static inline void bpf_prog_inc_misses_counter(struct bpf_prog *prog) +{ +} #endif /* CONFIG_BPF_SYSCALL */ void __bpf_free_used_btfs(struct bpf_prog_aux *aux, @@ -2433,6 +2536,7 @@ extern const struct bpf_func_proto bpf_loop_proto; extern const struct bpf_func_proto bpf_copy_from_user_task_proto; extern const struct bpf_func_proto bpf_set_retval_proto; extern const struct bpf_func_proto bpf_get_retval_proto; +extern const struct bpf_func_proto bpf_user_ringbuf_drain_proto; const struct bpf_func_proto *tracing_prog_func_proto( enum bpf_func_id func_id, const struct bpf_prog *prog); @@ -2577,7 +2681,7 @@ enum bpf_dynptr_type { BPF_DYNPTR_TYPE_INVALID, /* Points to memory that is local to the bpf program */ BPF_DYNPTR_TYPE_LOCAL, - /* Underlying data is a ringbuf record */ + /* Underlying data is a kernel-produced ringbuf record */ BPF_DYNPTR_TYPE_RINGBUF, }; @@ -2585,6 +2689,7 @@ void bpf_dynptr_init(struct bpf_dynptr_kern *ptr, void *data, enum bpf_dynptr_type type, u32 offset, u32 size); void bpf_dynptr_set_null(struct bpf_dynptr_kern *ptr); int bpf_dynptr_check_size(u32 size); +u32 bpf_dynptr_get_size(struct bpf_dynptr_kern *ptr); #ifdef CONFIG_BPF_LSM void bpf_cgroup_atype_get(u32 attach_btf_id, int cgroup_atype); @@ -2594,4 +2699,12 @@ static inline void bpf_cgroup_atype_get(u32 attach_btf_id, int cgroup_atype) {} static inline void bpf_cgroup_atype_put(int cgroup_atype) {} #endif /* CONFIG_BPF_LSM */ +struct key; + +#ifdef CONFIG_KEYS +struct bpf_key { + struct key *key; + bool has_ref; +}; +#endif /* CONFIG_KEYS */ #endif /* _LINUX_BPF_H */ diff --git a/include/linux/bpf_types.h b/include/linux/bpf_types.h index 2b9112b80171..2c6a4f2562a7 100644 --- a/include/linux/bpf_types.h +++ b/include/linux/bpf_types.h @@ -126,6 +126,7 @@ BPF_MAP_TYPE(BPF_MAP_TYPE_STRUCT_OPS, bpf_struct_ops_map_ops) #endif BPF_MAP_TYPE(BPF_MAP_TYPE_RINGBUF, ringbuf_map_ops) BPF_MAP_TYPE(BPF_MAP_TYPE_BLOOM_FILTER, bloom_filter_map_ops) +BPF_MAP_TYPE(BPF_MAP_TYPE_USER_RINGBUF, user_ringbuf_map_ops) BPF_LINK_TYPE(BPF_LINK_TYPE_RAW_TRACEPOINT, raw_tracepoint) BPF_LINK_TYPE(BPF_LINK_TYPE_TRACING, tracing) diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index 1fdddbf3546b..9e1e6965f407 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -248,6 +248,7 @@ struct bpf_func_state { */ u32 async_entry_cnt; bool in_callback_fn; + struct tnum callback_ret_range; bool in_async_callback_fn; /* The following fields should be last. See copy_func_state() */ @@ -348,6 +349,27 @@ struct bpf_verifier_state { iter < frame->allocated_stack / BPF_REG_SIZE; \ iter++, reg = bpf_get_spilled_reg(iter, frame)) +/* Invoke __expr over regsiters in __vst, setting __state and __reg */ +#define bpf_for_each_reg_in_vstate(__vst, __state, __reg, __expr) \ + ({ \ + struct bpf_verifier_state *___vstate = __vst; \ + int ___i, ___j; \ + for (___i = 0; ___i <= ___vstate->curframe; ___i++) { \ + struct bpf_reg_state *___regs; \ + __state = ___vstate->frame[___i]; \ + ___regs = __state->regs; \ + for (___j = 0; ___j < MAX_BPF_REG; ___j++) { \ + __reg = &___regs[___j]; \ + (void)(__expr); \ + } \ + bpf_for_each_spilled_reg(___j, __state, __reg) { \ + if (!__reg) \ + continue; \ + (void)(__expr); \ + } \ + } \ + }) + /* linked list of verifier states used to prune search */ struct bpf_verifier_state_list { struct bpf_verifier_state state; @@ -571,6 +593,11 @@ int check_kfunc_mem_size_reg(struct bpf_verifier_env *env, struct bpf_reg_state u32 regno); int check_mem_reg(struct bpf_verifier_env *env, struct bpf_reg_state *reg, u32 regno, u32 mem_size); +bool is_dynptr_reg_valid_init(struct bpf_verifier_env *env, + struct bpf_reg_state *reg); +bool is_dynptr_type_expected(struct bpf_verifier_env *env, + struct bpf_reg_state *reg, + enum bpf_arg_type arg_type); /* this lives here instead of in bpf.h because it needs to dereference tgt_prog */ static inline u64 bpf_trampoline_compute_key(const struct bpf_prog *tgt_prog, @@ -598,6 +625,8 @@ int bpf_check_attach_target(struct bpf_verifier_log *log, struct bpf_attach_target_info *tgt_info); void bpf_free_kfunc_btf_tab(struct bpf_kfunc_btf_tab *tab); +int mark_chain_precision(struct bpf_verifier_env *env, int regno); + #define BPF_BASE_TYPE_MASK GENMASK(BPF_BASE_TYPE_BITS - 1, 0) /* extract base type from bpf_{arg, return, reg}_type. */ diff --git a/include/linux/btf.h b/include/linux/btf.h index ad93c2d9cc1c..f9aababc5d78 100644 --- a/include/linux/btf.h +++ b/include/linux/btf.h @@ -52,6 +52,15 @@ #define KF_SLEEPABLE (1 << 5) /* kfunc may sleep */ #define KF_DESTRUCTIVE (1 << 6) /* kfunc performs destructive actions */ +/* + * Return the name of the passed struct, if exists, or halt the build if for + * example the structure gets renamed. In this way, developers have to revisit + * the code using that structure name, and update it accordingly. + */ +#define stringify_struct(x) \ + ({ BUILD_BUG_ON(sizeof(struct x) < 0); \ + __stringify(x); }) + struct btf; struct btf_member; struct btf_type; @@ -441,4 +450,14 @@ static inline int register_btf_id_dtor_kfuncs(const struct btf_id_dtor_kfunc *dt } #endif +static inline bool btf_type_is_struct_ptr(struct btf *btf, const struct btf_type *t) +{ + if (!btf_type_is_ptr(t)) + return false; + + t = btf_type_skip_modifiers(btf, t->type, NULL); + + return btf_type_is_struct(t); +} + #endif diff --git a/include/linux/cfi.h b/include/linux/cfi.h index c6dfc1ed0626..5e134f4ce8b7 100644 --- a/include/linux/cfi.h +++ b/include/linux/cfi.h @@ -2,49 +2,38 @@ /* * Clang Control Flow Integrity (CFI) support. * - * Copyright (C) 2021 Google LLC + * Copyright (C) 2022 Google LLC */ #ifndef _LINUX_CFI_H #define _LINUX_CFI_H -#ifdef CONFIG_CFI_CLANG -typedef void (*cfi_check_fn)(uint64_t id, void *ptr, void *diag); - -/* Compiler-generated function in each module, and the kernel */ -extern void __cfi_check(uint64_t id, void *ptr, void *diag); - -/* - * Force the compiler to generate a CFI jump table entry for a function - * and store the jump table address to __cfi_jt_<function>. - */ -#define __CFI_ADDRESSABLE(fn, __attr) \ - const void *__cfi_jt_ ## fn __visible __attr = (void *)&fn - -#ifdef CONFIG_CFI_CLANG_SHADOW - -extern void cfi_module_add(struct module *mod, unsigned long base_addr); -extern void cfi_module_remove(struct module *mod, unsigned long base_addr); - -#else +#include <linux/bug.h> +#include <linux/module.h> -static inline void cfi_module_add(struct module *mod, unsigned long base_addr) {} -static inline void cfi_module_remove(struct module *mod, unsigned long base_addr) {} - -#endif /* CONFIG_CFI_CLANG_SHADOW */ - -#else /* !CONFIG_CFI_CLANG */ - -#ifdef CONFIG_X86_KERNEL_IBT - -#define __CFI_ADDRESSABLE(fn, __attr) \ - const void *__cfi_jt_ ## fn __visible __attr = (void *)&fn +#ifdef CONFIG_CFI_CLANG +enum bug_trap_type report_cfi_failure(struct pt_regs *regs, unsigned long addr, + unsigned long *target, u32 type); -#endif /* CONFIG_X86_KERNEL_IBT */ +static inline enum bug_trap_type report_cfi_failure_noaddr(struct pt_regs *regs, + unsigned long addr) +{ + return report_cfi_failure(regs, addr, NULL, 0); +} +#ifdef CONFIG_ARCH_USES_CFI_TRAPS +bool is_cfi_trap(unsigned long addr); +#endif #endif /* CONFIG_CFI_CLANG */ -#ifndef __CFI_ADDRESSABLE -#define __CFI_ADDRESSABLE(fn, __attr) -#endif +#ifdef CONFIG_MODULES +#ifdef CONFIG_ARCH_USES_CFI_TRAPS +void module_cfi_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, + struct module *mod); +#else +static inline void module_cfi_finalize(const Elf_Eh |