| /kernel/ |
| D | relay.c | 35 struct rchan_buf *buf = vma->vm_private_data; in relay_file_mmap_close() local
36 buf->chan->cb->buf_unmapped(buf, vma->vm_file); in relay_file_mmap_close()
45 struct rchan_buf *buf = vmf->vma->vm_private_data; in relay_buf_fault() local
48 if (!buf) in relay_buf_fault()
51 page = vmalloc_to_page(buf->start + (pgoff << PAGE_SHIFT)); in relay_buf_fault()
96 static int relay_mmap_buf(struct rchan_buf *buf, struct vm_area_struct *vma) in relay_mmap_buf() argument
101 if (!buf) in relay_mmap_buf()
104 if (length != (unsigned long)buf->chan->alloc_size) in relay_mmap_buf()
109 vma->vm_private_data = buf; in relay_mmap_buf()
110 buf->chan->cb->buf_mapped(buf, filp); in relay_mmap_buf()
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| D | ksysfs.c | 32 struct kobj_attribute *attr, char *buf) in uevent_seqnum_show() argument
34 return sprintf(buf, "%llu\n", (unsigned long long)uevent_seqnum); in uevent_seqnum_show()
41 struct kobj_attribute *attr, char *buf) in uevent_helper_show() argument
43 return sprintf(buf, "%s\n", uevent_helper); in uevent_helper_show()
47 const char *buf, size_t count) in uevent_helper_store() argument
51 memcpy(uevent_helper, buf, count); in uevent_helper_store()
62 struct kobj_attribute *attr, char *buf) in profiling_show() argument
64 return sprintf(buf, "%d\n", prof_on); in profiling_show()
68 const char *buf, size_t count) in profiling_store() argument
79 profile_setup((char *)buf); in profiling_store()
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| D | crash_core.c | 295 Elf_Word *append_elf_note(Elf_Word *buf, char *name, unsigned int type, in append_elf_note() argument
298 struct elf_note *note = (struct elf_note *)buf; in append_elf_note()
303 buf += DIV_ROUND_UP(sizeof(*note), sizeof(Elf_Word)); in append_elf_note()
304 memcpy(buf, name, note->n_namesz); in append_elf_note()
305 buf += DIV_ROUND_UP(note->n_namesz, sizeof(Elf_Word)); in append_elf_note()
306 memcpy(buf, data, data_len); in append_elf_note()
307 buf += DIV_ROUND_UP(data_len, sizeof(Elf_Word)); in append_elf_note()
309 return buf; in append_elf_note()
312 void final_note(Elf_Word *buf) in final_note() argument
314 memset(buf, 0, sizeof(struct elf_note)); in final_note()
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| D | panic.c | 169 static char buf[1024]; in panic() local
209 len = vscnprintf(buf, sizeof(buf), fmt, args); in panic()
212 if (len && buf[len - 1] == '\n') in panic()
213 buf[len - 1] = '\0'; in panic()
215 pr_emerg("Kernel panic - not syncing: %s\n", buf); in panic()
229 kgdb_panic(buf); in panic()
262 atomic_notifier_call_chain(&panic_notifier_list, 0, buf); in panic()
339 pr_emerg("---[ end Kernel panic - not syncing: %s ]---\n", buf); in panic()
391 static char buf[TAINT_FLAGS_COUNT + sizeof("Tainted: ")]; in print_tainted() local
399 s = buf + sprintf(buf, "Tainted: "); in print_tainted()
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| D | kexec_elf.c | 119 static int elf_read_ehdr(const char *buf, size_t len, struct elfhdr *ehdr) in elf_read_ehdr() argument
129 memcpy(ehdr->e_ident, buf, sizeof(ehdr->e_ident)); in elf_read_ehdr()
144 buf_ehdr = (struct elfhdr *) buf; in elf_read_ehdr()
202 static int elf_read_phdr(const char *buf, size_t len, in elf_read_phdr() argument
212 pbuf = buf + elf_info->ehdr->e_phoff + (idx * sizeof(*buf_phdr)); in elf_read_phdr()
251 static int elf_read_phdrs(const char *buf, size_t len, in elf_read_phdrs() argument
270 ret = elf_read_phdr(buf, len, elf_info, i); in elf_read_phdrs()
296 static int elf_read_from_buffer(const char *buf, size_t len, in elf_read_from_buffer() argument
302 ret = elf_read_ehdr(buf, len, ehdr); in elf_read_from_buffer()
306 elf_info->buffer = buf; in elf_read_from_buffer()
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| D | kexec_core.c | 781 unsigned char __user *buf = NULL; in kimage_load_normal_segment() local
788 buf = segment->buf; in kimage_load_normal_segment()
824 result = copy_from_user(ptr, buf, uchunk); in kimage_load_normal_segment()
835 buf += mchunk; in kimage_load_normal_segment()
854 unsigned char __user *buf = NULL; in kimage_load_crash_segment() local
861 buf = segment->buf; in kimage_load_crash_segment()
890 result = copy_from_user(ptr, buf, uchunk); in kimage_load_crash_segment()
903 buf += mchunk; in kimage_load_crash_segment()
1058 u32 *buf; in crash_save_cpu() local
1070 buf = (u32 *)per_cpu_ptr(crash_notes, cpu); in crash_save_cpu()
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| D | fail_function.c | 244 char *buf, *sym; in fei_write() local
250 buf = kmalloc(count + 1, GFP_KERNEL); in fei_write()
251 if (!buf) in fei_write()
254 if (copy_from_user(buf, buffer, count)) { in fei_write()
258 buf[count] = '\0'; in fei_write()
259 sym = strstrip(buf); in fei_write()
310 kfree(buf); in fei_write()
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| D | cpu.c | 1993 struct device_attribute *attr, char *buf) in show_cpuhp_state() argument
1997 return sprintf(buf, "%d\n", st->state); in show_cpuhp_state()
2003 const char *buf, size_t count) in write_cpuhp_target() argument
2009 ret = kstrtoint(buf, 10, &target); in write_cpuhp_target()
2042 struct device_attribute *attr, char *buf) in show_cpuhp_target() argument
2046 return sprintf(buf, "%d\n", st->target); in show_cpuhp_target()
2053 const char *buf, size_t count) in write_cpuhp_fail() argument
2059 ret = kstrtoint(buf, 10, &fail); in write_cpuhp_fail()
2089 struct device_attribute *attr, char *buf) in show_cpuhp_fail() argument
2093 return sprintf(buf, "%d\n", st->fail); in show_cpuhp_fail()
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| /kernel/power/ |
| D | main.c | 101 char *buf) in pm_async_show() argument
103 return sprintf(buf, "%d\n", pm_async_enabled); in pm_async_show()
107 const char *buf, size_t n) in pm_async_store() argument
111 if (kstrtoul(buf, 10, &val)) in pm_async_store()
125 char *buf) in mem_sleep_show() argument
127 char *s = buf; in mem_sleep_show()
141 if (s != buf) in mem_sleep_show()
144 return (s - buf); in mem_sleep_show()
147 static suspend_state_t decode_suspend_state(const char *buf, size_t n) in decode_suspend_state() argument
153 p = memchr(buf, '\n', n); in decode_suspend_state()
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| D | hibernate.c | 958 char *buf) in disk_show() argument
961 char *start = buf; in disk_show()
964 return sprintf(buf, "[disabled]\n"); in disk_show()
984 buf += sprintf(buf, "[%s] ", hibernation_modes[i]); in disk_show()
986 buf += sprintf(buf, "%s ", hibernation_modes[i]); in disk_show()
988 buf += sprintf(buf, "\n"); in disk_show()
989 return buf-start; in disk_show()
993 const char *buf, size_t n) in disk_store() argument
1004 p = memchr(buf, '\n', n); in disk_store()
1005 len = p ? p - buf : n; in disk_store()
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| D | wakelock.c | 38 ssize_t pm_show_wakelocks(char *buf, bool show_active) in pm_show_wakelocks() argument
42 char *str = buf; in pm_show_wakelocks()
43 char *end = buf + PAGE_SIZE; in pm_show_wakelocks()
52 if (str > buf) in pm_show_wakelocks()
58 return (str - buf); in pm_show_wakelocks()
206 int pm_wake_lock(const char *buf) in pm_wake_lock() argument
208 const char *str = buf; in pm_wake_lock()
220 len = str - buf; in pm_wake_lock()
233 wl = wakelock_lookup_add(buf, len, true); in pm_wake_lock()
254 int pm_wake_unlock(const char *buf) in pm_wake_unlock() argument
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| D | wakeup_reason.c | 45 char *buf) in last_resume_reason_show() argument
52 buf_offset = sprintf(buf, "Abort: %s", abort_reason); in last_resume_reason_show()
57 buf_offset += sprintf(buf + buf_offset, "%d %s\n", in last_resume_reason_show()
60 buf_offset += sprintf(buf + buf_offset, "%d\n", in last_resume_reason_show()
69 struct kobj_attribute *attr, char *buf) in last_suspend_time_show() argument
92 return sprintf(buf, "%llu.%09lu %llu.%09lu\n", in last_suspend_time_show()
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| /kernel/printk/ |
| D | printk.c | 714 static ssize_t msg_print_ext_header(char *buf, size_t size, in msg_print_ext_header() argument
730 return scnprintf(buf, size, "%u,%llu,%llu,%c%s;", in msg_print_ext_header()
735 static ssize_t msg_print_ext_body(char *buf, size_t size, in msg_print_ext_body() argument
739 char *p = buf, *e = buf + size; in msg_print_ext_body()
780 return p - buf; in msg_print_ext_body()
789 char buf[CONSOLE_EXT_LOG_MAX]; member
807 char *buf, *line; in devkmsg_write() local
828 buf = kmalloc(len+1, GFP_KERNEL); in devkmsg_write()
829 if (buf == NULL) in devkmsg_write()
832 buf[len] = '\0'; in devkmsg_write()
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| /kernel/trace/ |
| D | trace_probe_tmpl.h | 7 fetch_store_raw(unsigned long val, struct fetch_insn *code, void *buf) in fetch_store_raw() argument
11 *(u8 *)buf = (u8)val; in fetch_store_raw()
14 *(u16 *)buf = (u16)val; in fetch_store_raw()
17 *(u32 *)buf = (u32)val; in fetch_store_raw()
21 *(u64 *)buf = (u64)val; in fetch_store_raw()
24 *(unsigned long *)buf = val; in fetch_store_raw()
29 fetch_apply_bitfield(struct fetch_insn *code, void *buf) in fetch_apply_bitfield() argument
33 *(u8 *)buf <<= code->lshift; in fetch_apply_bitfield()
34 *(u8 *)buf >>= code->rshift; in fetch_apply_bitfield()
37 *(u16 *)buf <<= code->lshift; in fetch_apply_bitfield()
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| D | trace.c | 162 static int tracing_set_tracer(struct trace_array *tr, const char *buf);
591 static u64 buffer_ftrace_now(struct trace_buffer *buf, int cpu) in buffer_ftrace_now() argument
596 if (!buf->buffer) in buffer_ftrace_now()
599 ts = ring_buffer_time_stamp(buf->buffer, cpu); in buffer_ftrace_now()
600 ring_buffer_normalize_time_stamp(buf->buffer, cpu, &ts); in buffer_ftrace_now()
862 memcpy(&entry->buf, str, size); in __trace_puts()
865 if (entry->buf[size - 1] != '\n') { in __trace_puts()
866 entry->buf[size] = '\n'; in __trace_puts()
867 entry->buf[size + 1] = '\0'; in __trace_puts()
869 entry->buf[size] = '\0'; in __trace_puts()
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| D | blktrace.c | 152 char *buf; in __trace_note_message() local
166 buf = this_cpu_ptr(bt->msg_data); in __trace_note_message()
168 n = vscnprintf(buf, BLK_TN_MAX_MSG, fmt, args); in __trace_note_message()
174 trace_note(bt, 0, BLK_TN_MESSAGE, buf, n, in __trace_note_message()
177 trace_note(bt, 0, BLK_TN_MESSAGE, buf, n, NULL); in __trace_note_message()
373 char buf[16]; in blk_dropped_read() local
375 snprintf(buf, sizeof(buf), "%u\n", atomic_read(&bt->dropped)); in blk_dropped_read()
377 return simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf)); in blk_dropped_read()
418 static int blk_subbuf_start_callback(struct rchan_buf *buf, void *subbuf, in blk_subbuf_start_callback() argument
423 if (!relay_buf_full(buf)) in blk_subbuf_start_callback()
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| D | bpf_trace.c | 221 char buf[64]; in BPF_CALL_5() local
265 arg1 = (long) buf; in BPF_CALL_5()
269 arg2 = (long) buf; in BPF_CALL_5()
273 arg3 = (long) buf; in BPF_CALL_5()
276 buf[0] = 0; in BPF_CALL_5()
277 strncpy_from_unsafe(buf, in BPF_CALL_5()
279 sizeof(buf)); in BPF_CALL_5()
393 struct bpf_perf_event_value *, buf, u32, size) in BPF_CALL_4() argument
399 err = get_map_perf_counter(map, flags, &buf->counter, &buf->enabled, in BPF_CALL_4()
400 &buf->running); in BPF_CALL_4()
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| D | trace_probe.c | 230 char *buf, int offset) in traceprobe_parse_event_name() argument
245 strlcpy(buf, event, slash - event + 1); in traceprobe_parse_event_name()
246 if (!is_good_name(buf)) { in traceprobe_parse_event_name()
250 *pgroup = buf; in traceprobe_parse_event_name()
841 static int __set_print_fmt(struct trace_probe *tp, char *buf, int len, in __set_print_fmt() argument
857 pos += snprintf(buf + pos, LEN_OR_ZERO, "\"%s", fmt); in __set_print_fmt()
861 pos += snprintf(buf + pos, LEN_OR_ZERO, " %s=", parg->name); in __set_print_fmt()
863 pos += snprintf(buf + pos, LEN_OR_ZERO, "{%s", in __set_print_fmt()
866 pos += snprintf(buf + pos, LEN_OR_ZERO, ",%s", in __set_print_fmt()
868 pos += snprintf(buf + pos, LEN_OR_ZERO, "}"); in __set_print_fmt()
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| /kernel/bpf/ |
| D | helpers.c | 191 BPF_CALL_2(bpf_get_current_comm, char *, buf, u32, size) in BPF_CALL_2() argument
198 strncpy(buf, task->comm, size); in BPF_CALL_2()
204 buf[size - 1] = 0; in BPF_CALL_2()
207 memset(buf, 0, size); in BPF_CALL_2()
346 ptr = &READ_ONCE(storage->buf)->data[0]; in BPF_CALL_2()
364 static int __bpf_strtoull(const char *buf, size_t buf_len, u64 flags, in __bpf_strtoull() argument
368 const char *cur_buf = buf; in __bpf_strtoull()
374 if (!buf || !buf_len || !res || !is_negative) in __bpf_strtoull()
383 while (cur_buf < buf + buf_len && isspace(*cur_buf)) in __bpf_strtoull()
386 *is_negative = (cur_buf < buf + buf_len && *cur_buf == '-'); in __bpf_strtoull()
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| /kernel/locking/ |
| D | qspinlock_stat.h | 39 char buf[64]; in lockevent_read() local
80 len = snprintf(buf, sizeof(buf) - 1, "%llu.%02llu\n", in lockevent_read()
91 len = snprintf(buf, sizeof(buf) - 1, "%llu\n", sum); in lockevent_read()
94 return simple_read_from_buffer(user_buf, count, ppos, buf, len); in lockevent_read()
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| D | lock_events.c | 64 char buf[64]; in lockevent_read() local
78 len = snprintf(buf, sizeof(buf) - 1, "%llu\n", sum); in lockevent_read()
80 return simple_read_from_buffer(user_buf, count, ppos, buf, len); in lockevent_read()
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| /kernel/irq/ |
| D | irqdesc.c | 147 struct kobj_attribute *attr, char *buf) in per_cpu_count_show() argument
157 ret += scnprintf(buf + ret, PAGE_SIZE - ret, "%s%u", p, c); in per_cpu_count_show()
161 ret += scnprintf(buf + ret, PAGE_SIZE - ret, "\n"); in per_cpu_count_show()
167 struct kobj_attribute *attr, char *buf) in chip_name_show() argument
174 ret = scnprintf(buf, PAGE_SIZE, "%s\n", in chip_name_show()
184 struct kobj_attribute *attr, char *buf) in hwirq_show() argument
191 ret = sprintf(buf, "%d\n", (int)desc->irq_data.hwirq); in hwirq_show()
199 struct kobj_attribute *attr, char *buf) in type_show() argument
205 ret = sprintf(buf, "%s\n", in type_show()
215 struct kobj_attribute *attr, char *buf) in wakeup_show() argument
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| /kernel/debug/ |
| D | gdbstub.c | 239 char *kgdb_mem2hex(char *mem, char *buf, int count) in kgdb_mem2hex() argument
248 tmp = buf + count; in kgdb_mem2hex()
254 buf = hex_byte_pack(buf, *tmp); in kgdb_mem2hex()
258 *buf = 0; in kgdb_mem2hex()
260 return buf; in kgdb_mem2hex()
268 int kgdb_hex2mem(char *buf, char *mem, int count) in kgdb_hex2mem() argument
277 tmp_raw = buf + count * 2; in kgdb_hex2mem()
280 while (tmp_hex >= buf) { in kgdb_hex2mem()
326 static int kgdb_ebin2mem(char *buf, char *mem, int count) in kgdb_ebin2mem() argument
329 char *c = buf; in kgdb_ebin2mem()
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| /kernel/debug/kdb/ |
| D | kdb_bt.c | 166 char buf[80]; in kdb_bt() local
182 sprintf(buf, "btt 0x%px\n", KDB_TSK(cpu)); in kdb_bt()
183 kdb_parse(buf); in kdb_bt()
198 sprintf(buf, "btt 0x%px\n", kdb_tsk); in kdb_bt()
199 kdb_parse(buf); in kdb_bt()
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| /kernel/cgroup/ |
| D | cgroup.c | 1469 char *buf) in cgroup_file_name() argument
1477 snprintf(buf, CGROUP_FILE_NAME_MAX, "%s%s.%s", in cgroup_file_name()
1481 strscpy(buf, cft->name, CGROUP_FILE_NAME_MAX); in cgroup_file_name()
1483 return buf; in cgroup_file_name()
1793 char *buf = NULL; in cgroup_show_path() local
1797 buf = kmalloc(PATH_MAX, GFP_KERNEL); in cgroup_show_path()
1798 if (!buf) in cgroup_show_path()
1803 len = kernfs_path_from_node(kf_node, ns_cgroup->kn, buf, PATH_MAX); in cgroup_show_path()
1809 seq_escape(sf, buf, " \t\n\\"); in cgroup_show_path()
1812 kfree(buf); in cgroup_show_path()
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