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Searched refs:kbuf (Results 1 – 25 of 107) sorted by relevance

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/linux/tools/lib/traceevent/
A Dkbuffer-parse.c190 kbuf = zmalloc(sizeof(*kbuf)); in kbuffer_alloc()
294 kbuf->next = kbuf->size; in old_update_pointers()
308 kbuf->curr = kbuf->size; in old_update_pointers()
309 kbuf->next = kbuf->size; in old_update_pointers()
310 kbuf->index = kbuf->size; in old_update_pointers()
335 kbuf->curr = kbuf->next; in __old_next_event()
336 if (kbuf->next >= kbuf->size) in __old_next_event()
454 kbuf->curr = kbuf->next; in __next_event()
455 if (kbuf->next >= kbuf->size) in __next_event()
467 return kbuf->next_event(kbuf); in next_event()
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A Dkbuffer.h32 void kbuffer_free(struct kbuffer *kbuf);
36 unsigned long long kbuffer_timestamp(struct kbuffer *kbuf);
38 unsigned int kbuffer_ptr_delta(struct kbuffer *kbuf, void *ptr);
44 int kbuffer_curr_index(struct kbuffer *kbuf);
46 int kbuffer_curr_offset(struct kbuffer *kbuf);
47 int kbuffer_curr_size(struct kbuffer *kbuf);
48 int kbuffer_event_size(struct kbuffer *kbuf);
49 int kbuffer_missed_events(struct kbuffer *kbuf);
50 int kbuffer_subbuffer_size(struct kbuffer *kbuf);
52 void kbuffer_set_old_format(struct kbuffer *kbuf);
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/linux/arch/arm64/kernel/
A Dmachine_kexec_file.c87 struct kexec_buf kbuf; in load_other_segments() local
93 kbuf.image = image; in load_other_segments()
111 kbuf.top_down = true; in load_other_segments()
123 image->elf_load_addr, kbuf.bufsz, kbuf.memsz); in load_other_segments()
132 kbuf.buf_align = 0; in load_other_segments()
144 initrd_load_addr, kbuf.bufsz, kbuf.memsz); in load_other_segments()
159 kbuf.buffer = dtb; in load_other_segments()
160 kbuf.bufsz = dtb_len; in load_other_segments()
162 kbuf.memsz = dtb_len; in load_other_segments()
166 kbuf.top_down = true; in load_other_segments()
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A Dkexec_image.c45 struct kexec_buf kbuf; in image_load() local
76 kbuf.image = image; in image_load()
77 kbuf.buf_min = 0; in image_load()
78 kbuf.buf_max = ULONG_MAX; in image_load()
79 kbuf.top_down = false; in image_load()
81 kbuf.buffer = kernel; in image_load()
82 kbuf.bufsz = kernel_len; in image_load()
83 kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; in image_load()
86 kbuf.buf_align = MIN_KIMG_ALIGN; in image_load()
89 kbuf.memsz += text_offset; in image_load()
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A Dptrace.c509 const void *kbuf, const void __user *ubuf) in hw_break_set() argument
570 const void *kbuf, const void __user *ubuf) in gpr_set() argument
650 const void *kbuf, const void __user *ubuf) in fpr_set() argument
678 const void *kbuf, const void __user *ubuf) in tls_set() argument
932 const void *kbuf, const void __user *ubuf) in pac_enabled_keys_set() argument
1001 const void *kbuf, const void __user *ubuf) in pac_address_keys_set() argument
1050 const void *kbuf, const void __user *ubuf) in pac_generic_keys_set() argument
1302 if (kbuf) { in compat_gpr_set()
1303 memcpy(&reg, kbuf, sizeof(reg)); in compat_gpr_set()
1304 kbuf += sizeof(reg); in compat_gpr_set()
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/linux/arch/parisc/kernel/
A Dkexec_file.c45 kbuf.buffer = initrd; in elf_load()
46 kbuf.bufsz = kbuf.memsz = initrd_len; in elf_load()
47 kbuf.buf_align = PAGE_SIZE; in elf_load()
48 kbuf.top_down = false; in elf_load()
50 ret = kexec_add_buffer(&kbuf); in elf_load()
60 kbuf.buffer = cmdline; in elf_load()
61 kbuf.bufsz = kbuf.memsz = ALIGN(cmdline_len, 8); in elf_load()
62 kbuf.buf_align = PAGE_SIZE; in elf_load()
63 kbuf.top_down = false; in elf_load()
67 ret = kexec_add_buffer(&kbuf); in elf_load()
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/linux/mm/damon/
A Ddbgfs.c28 char *kbuf; in user_input_str() local
36 if (!kbuf) in user_input_str()
41 kfree(kbuf); in user_input_str()
46 return kbuf; in user_input_str()
71 char *kbuf; in dbgfs_attrs_write() local
96 kfree(kbuf); in dbgfs_attrs_write()
133 char *kbuf; in dbgfs_schemes_read() local
137 if (!kbuf) in dbgfs_schemes_read()
235 char *kbuf; in dbgfs_schemes_write() local
459 if (!kbuf) in dbgfs_init_regions_read()
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/linux/kernel/
A Dkexec_file.c535 if (end < kbuf->buf_min || start > kbuf->buf_max) in locate_mem_hole_callback()
697 kbuf->memsz = ALIGN(kbuf->memsz, PAGE_SIZE); in kexec_add_buffer()
698 kbuf->buf_align = max(kbuf->buf_align, PAGE_SIZE); in kexec_add_buffer()
706 ksegment = &kbuf->image->segment[kbuf->image->nr_segments]; in kexec_add_buffer()
707 ksegment->kbuf = kbuf->buffer; in kexec_add_buffer()
864 kbuf->bufsz = ALIGN(kbuf->bufsz, align); in kexec_purgatory_setup_kbuf()
873 kbuf->bufsz = ALIGN(kbuf->bufsz, bss_align); in kexec_purgatory_setup_kbuf()
874 kbuf->memsz = kbuf->bufsz + bss_sz; in kexec_purgatory_setup_kbuf()
878 kbuf->buffer = vzalloc(kbuf->bufsz); in kexec_purgatory_setup_kbuf()
924 bss_addr = kbuf->mem + kbuf->bufsz; in kexec_purgatory_setup_sechdrs()
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/linux/arch/powerpc/kexec/
A Delf_64.c53 kbuf.buf_max = pbuf.buf_max = in elf64_load()
92 kbuf.buffer = initrd; in elf64_load()
93 kbuf.bufsz = kbuf.memsz = initrd_len; in elf64_load()
94 kbuf.buf_align = PAGE_SIZE; in elf64_load()
95 kbuf.top_down = false; in elf64_load()
100 initrd_load_addr = kbuf.mem; in elf64_load()
121 kbuf.buffer = fdt; in elf64_load()
122 kbuf.bufsz = kbuf.memsz = fdt_totalsize(fdt); in elf64_load()
123 kbuf.buf_align = PAGE_SIZE; in elf64_load()
124 kbuf.top_down = true; in elf64_load()
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A Dfile_load_64.c276 kbuf->mem = ALIGN_DOWN(end - kbuf->memsz + 1, in __locate_mem_hole_top_down()
375 kbuf->mem = start; in __locate_mem_hole_bottom_up()
737 kbuf->buffer = buf; in load_backup_segment()
739 kbuf->bufsz = kbuf->memsz = BACKUP_SRC_SIZE; in load_backup_segment()
740 kbuf->top_down = false; in load_backup_segment()
809 kbuf->buffer = headers; in load_elfcorehdr_segment()
811 kbuf->bufsz = kbuf->memsz = headers_sz; in load_elfcorehdr_segment()
856 image->elf_load_addr, kbuf->bufsz, kbuf->memsz); in load_crashdump_segments_ppc64()
1167 if (kbuf->top_down) in arch_kexec_locate_mem_hole()
1176 add_mem_range(emem, kbuf->mem, kbuf->memsz); in arch_kexec_locate_mem_hole()
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/linux/fs/
A Dstatfs.c271 if ((kbuf->f_blocks | kbuf->f_bfree | kbuf->f_bavail | in put_compat_statfs()
272 kbuf->f_bsize | kbuf->f_frsize) & 0xffffffff00000000ULL) in put_compat_statfs()
284 buf.f_type = kbuf->f_type; in put_compat_statfs()
285 buf.f_bsize = kbuf->f_bsize; in put_compat_statfs()
287 buf.f_bfree = kbuf->f_bfree; in put_compat_statfs()
289 buf.f_files = kbuf->f_files; in put_compat_statfs()
290 buf.f_ffree = kbuf->f_ffree; in put_compat_statfs()
295 buf.f_flags = kbuf->f_flags; in put_compat_statfs()
327 if ((kbuf->f_bsize | kbuf->f_frsize) & 0xffffffff00000000ULL) in put_compat_statfs64()
331 buf.f_type = kbuf->f_type; in put_compat_statfs64()
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/linux/arch/x86/kernel/
A Dkexec-bzimage64.c418 kbuf.buffer = params; in bzImage64_load()
419 kbuf.memsz = kbuf.bufsz; in bzImage64_load()
420 kbuf.buf_align = 16; in bzImage64_load()
422 ret = kexec_add_buffer(&kbuf); in bzImage64_load()
427 bootparam_load_addr, kbuf.bufsz, kbuf.bufsz); in bzImage64_load()
439 kernel_load_addr = kbuf.mem; in bzImage64_load()
442 kernel_load_addr, kbuf.bufsz, kbuf.memsz); in bzImage64_load()
446 kbuf.buffer = initrd; in bzImage64_load()
447 kbuf.bufsz = kbuf.memsz = initrd_len; in bzImage64_load()
448 kbuf.buf_align = PAGE_SIZE; in bzImage64_load()
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A Dcrash.c389 struct kexec_buf kbuf = { .image = image, .buf_min = 0, in crash_load_segments() local
393 ret = prepare_elf_headers(image, &kbuf.buffer, &kbuf.bufsz); in crash_load_segments()
397 image->elf_headers = kbuf.buffer; in crash_load_segments()
398 image->elf_headers_sz = kbuf.bufsz; in crash_load_segments()
400 kbuf.memsz = kbuf.bufsz; in crash_load_segments()
401 kbuf.buf_align = ELF_CORE_HEADER_ALIGN; in crash_load_segments()
402 kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; in crash_load_segments()
403 ret = kexec_add_buffer(&kbuf); in crash_load_segments()
408 image->elf_load_addr = kbuf.mem; in crash_load_segments()
410 image->elf_load_addr, kbuf.bufsz, kbuf.bufsz); in crash_load_segments()
/linux/arch/powerpc/kernel/ptrace/
A Dptrace-decl.h69 const void *kbuf, const void __user *ubuf);
77 const void *kbuf, const void __user *ubuf);
85 const void *kbuf, const void __user *ubuf);
93 const void *kbuf, const void __user *ubuf);
104 const void *kbuf, const void __user *ubuf,
119 const void *kbuf, const void __user *ubuf);
124 const void *kbuf, const void __user *ubuf);
129 const void *kbuf, const void __user *ubuf);
134 const void *kbuf, const void __user *ubuf);
154 const void *kbuf, const void __user *ubuf);
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A Dptrace-tm.c136 const void *kbuf, const void __user *ubuf) in tm_cgpr_set() argument
151 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in tm_cgpr_set()
167 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in tm_cgpr_set()
275 const void *kbuf, const void __user *ubuf) in tm_cfpr_set() argument
395 const void *kbuf, const void __user *ubuf) in tm_cvmx_set() argument
514 const void *kbuf, const void __user *ubuf) in tm_cvsx_set() argument
618 const void *kbuf, const void __user *ubuf) in tm_spr_set() argument
678 const void *kbuf, const void __user *ubuf) in tm_tar_set() argument
719 const void *kbuf, const void __user *ubuf) in tm_ppr_set() argument
759 const void *kbuf, const void __user *ubuf) in tm_dscr_set() argument
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A Dptrace-view.c248 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in gpr_set()
646 const void *kbuf, const void __user *ubuf, in gpr32_set_common() argument
649 const compat_ulong_t *k = kbuf; in gpr32_set_common()
653 if (!kbuf && !user_read_access_begin(u, count)) in gpr32_set_common()
659 if (kbuf) in gpr32_set_common()
670 if (kbuf) in gpr32_set_common()
679 if (kbuf) { in gpr32_set_common()
694 if (kbuf) in gpr32_set_common()
702 if (!kbuf) in gpr32_set_common()
705 kbuf = k; in gpr32_set_common()
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/linux/arch/sparc/kernel/
A Dptrace_64.c162 void *kbuf, int len) in get_from_target() argument
177 void *kbuf, int len) in set_to_target() argument
271 const void *kbuf, const void __user *ubuf) in genregs64_set() argument
375 const void *kbuf, const void __user *ubuf) in fpregs64_set() argument
461 const void *kbuf, const void __user *ubuf) in setregs64_set() argument
564 const void *kbuf, const void __user *ubuf) in genregs32_set() argument
568 const compat_ulong_t *k = kbuf; in genregs32_set()
578 if (kbuf) { in genregs32_set()
637 if (kbuf) in genregs32_set()
703 const void *kbuf, const void __user *ubuf) in fpregs32_set() argument
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A Dptrace_32.c110 const void *kbuf, const void __user *ubuf) in genregs32_set() argument
120 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
128 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
138 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
147 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
152 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
157 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in genregs32_set()
185 const void *kbuf, const void __user *ubuf) in fpregs32_set() argument
194 ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, in fpregs32_set()
263 const void *kbuf, const void __user *ubuf) in setregs_set() argument
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/linux/arch/powerpc/platforms/pseries/
A Dreconfig.c362 char *kbuf; in ofdt_write() local
365 kbuf = memdup_user_nul(buf, count); in ofdt_write()
366 if (IS_ERR(kbuf)) in ofdt_write()
367 return PTR_ERR(kbuf); in ofdt_write()
369 tmp = strchr(kbuf, ' '); in ofdt_write()
377 if (!strcmp(kbuf, "add_node")) in ofdt_write()
379 else if (!strcmp(kbuf, "remove_node")) in ofdt_write()
381 else if (!strcmp(kbuf, "add_property")) in ofdt_write()
383 else if (!strcmp(kbuf, "remove_property")) in ofdt_write()
385 else if (!strcmp(kbuf, "update_property")) in ofdt_write()
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/linux/arch/um/drivers/
A Dhostaudio_kern.c74 void *kbuf; in hostaudio_read() local
81 kbuf = kmalloc(count, GFP_KERNEL); in hostaudio_read()
82 if (kbuf == NULL) in hostaudio_read()
85 err = os_read_file(state->fd, kbuf, count); in hostaudio_read()
89 if (copy_to_user(buffer, kbuf, err)) in hostaudio_read()
93 kfree(kbuf); in hostaudio_read()
101 void *kbuf; in hostaudio_write() local
108 kbuf = memdup_user(buffer, count); in hostaudio_write()
109 if (IS_ERR(kbuf)) in hostaudio_write()
110 return PTR_ERR(kbuf); in hostaudio_write()
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/linux/drivers/char/xilinx_hwicap/
A Dxilinx_hwicap.c360 u32 *kbuf; in hwicap_read() local
389 if (!kbuf) { in hwicap_read()
414 kbuf, words); in hwicap_read()
418 free_page((unsigned long)kbuf); in hwicap_read()
424 free_page((unsigned long)kbuf); in hwicap_read()
429 kbuf, in hwicap_read()
432 free_page((unsigned long)kbuf); in hwicap_read()
447 u32 *kbuf; in hwicap_write() local
464 if (!kbuf) { in hwicap_write()
498 kbuf, len >> 2); in hwicap_write()
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/linux/security/integrity/ima/
A Dima_kexec.c84 struct kexec_buf kbuf = { .image = image, .buf_align = PAGE_SIZE, in ima_add_kexec_buffer() local
118 kbuf.buffer = kexec_buffer; in ima_add_kexec_buffer()
119 kbuf.bufsz = kexec_buffer_size; in ima_add_kexec_buffer()
120 kbuf.memsz = kexec_segment_size; in ima_add_kexec_buffer()
121 ret = kexec_add_buffer(&kbuf); in ima_add_kexec_buffer()
128 image->ima_buffer_addr = kbuf.mem; in ima_add_kexec_buffer()
133 kbuf.mem); in ima_add_kexec_buffer()
/linux/drivers/staging/vc04_services/interface/vchiq_arm/
A Dvchiq_debugfs.c79 char kbuf[DEBUGFS_WRITE_BUF_SIZE + 1]; in debugfs_log_write() local
81 memset(kbuf, 0, DEBUGFS_WRITE_BUF_SIZE + 1); in debugfs_log_write()
85 if (copy_from_user(kbuf, buffer, count)) in debugfs_log_write()
87 kbuf[count - 1] = 0; in debugfs_log_write()
89 if (strncmp("error", kbuf, strlen("error")) == 0) in debugfs_log_write()
91 else if (strncmp("warning", kbuf, strlen("warning")) == 0) in debugfs_log_write()
93 else if (strncmp("info", kbuf, strlen("info")) == 0) in debugfs_log_write()
95 else if (strncmp("trace", kbuf, strlen("trace")) == 0) in debugfs_log_write()
/linux/include/linux/
A Dregset.h120 const void *kbuf, const void __user *ubuf);
254 const void **kbuf, in user_regset_copyin() argument
265 if (*kbuf) { in user_regset_copyin()
266 memcpy(data, *kbuf, copy); in user_regset_copyin()
267 *kbuf += copy; in user_regset_copyin()
280 const void **kbuf, in user_regset_copyin_ignore() argument
291 if (*kbuf) in user_regset_copyin_ignore()
292 *kbuf += copy; in user_regset_copyin_ignore()
/linux/net/qrtr/
A Dtun.c91 void *kbuf; in qrtr_tun_write_iter() local
99 kbuf = kzalloc(len, GFP_KERNEL); in qrtr_tun_write_iter()
100 if (!kbuf) in qrtr_tun_write_iter()
103 if (!copy_from_iter_full(kbuf, len, from)) { in qrtr_tun_write_iter()
104 kfree(kbuf); in qrtr_tun_write_iter()
108 ret = qrtr_endpoint_post(&tun->ep, kbuf, len); in qrtr_tun_write_iter()
110 kfree(kbuf); in qrtr_tun_write_iter()

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