Documented in 1 files:
Defined in 1 files as a prototype:
Defined in 2 files as a function:
- include/linux/kmsg_dump.h, line 95 (as a function)
- kernel/printk/printk.c, line 4960 (as a function)
Referenced in 6 files:
- arch/powerpc/kernel/nvram_64.c
- drivers/gpu/drm/drm_panic.c
- drivers/hv/hv_common.c, line 204
- drivers/mtd/mtdoops.c, line 315
- fs/pstore/platform.c, line 328
- kernel/printk/printk.c, line 5023
Smatch caller information:
drivers/hv/hv_common.c hv_kmsg_dump() -> kmsg_dump_get_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | iter | 6562438153195696128 |
| PARAM_VALUE | 1 | syslog | 0 |
| PARAM_VALUE | 2 | buf | 0,4096-ptr_max |
| PARAM_VALUE | 3 | size | 4096 |
| PARAM_VALUE | 4 | len_out | 1293285919002124288 |
| PARAM_VALUE | 4 | *len_out | 0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | global &system_transition_mutex | ||
| HALF_LOCKED2 | irq |
drivers/gpu/drm/drm_panic.c draw_panic_screen_kmsg() -> kmsg_dump_get_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | iter | 2497308342651465728 |
| PARAM_VALUE | 1 | syslog | 0 |
| PARAM_VALUE | 2 | buf | 6988157747592884224 |
| PARAM_VALUE | 3 | size | 512 |
| PARAM_VALUE | 4 | len_out | 3678694469530259456 |
| BUF_SIZE | 2 | buf | 512 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 3 | size | unit_byte |
| HALF_LOCKED2 | &(plane->dev)->mode_config.panic_lock | ||
| HALF_LOCKED2 | flags |
drivers/gpu/drm/drm_panic.c draw_panic_screen_kmsg() -> kmsg_dump_get_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | iter | 2497308342651465728 |
| PARAM_VALUE | 1 | syslog | 0 |
| PARAM_VALUE | 2 | buf | 6988157747592884224 |
| PARAM_VALUE | 3 | size | 512 |
| PARAM_VALUE | 4 | len_out | 3678694469530259456 |
| BUF_SIZE | 2 | buf | 512 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 3 | size | unit_byte |
| HALF_LOCKED2 | &(plane->dev)->mode_config.panic_lock | ||
| HALF_LOCKED2 | flags |
drivers/mtd/mtdoops.c mtdoops_do_dump() -> kmsg_dump_get_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | iter | 1231612086120841216 |
| PARAM_VALUE | 1 | syslog | 1 |
| PARAM_VALUE | 2 | buf | 4096-ptr_max |
| PARAM_VALUE | 4 | len_out | 0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 2 | buf | unit_byte |
| UNITS | 3 | size | unit_byte |
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | global &system_transition_mutex | ||
| HALF_LOCKED2 | irq |
fs/pstore/platform.c pstore_dump() -> kmsg_dump_get_buffer()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | iter | 4302566279211589632 |
| PARAM_VALUE | 1 | syslog | 1 |
| PARAM_VALUE | 2 | buf | 4096-ptr_max |
| PARAM_VALUE | 4 | len_out | 3327105685225574400 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 2 | buf | unit_byte |
| UNITS | 3 | size | unit_byte |
| LOCK2 | flags | ||
| LOCK2 | global &psinfo->buf_lock | ||
| LOCK2 | rcu_read | ||
| HALF_LOCKED2 | global &system_transition_mutex | ||
| HALF_LOCKED2 | irq | ||
| TYPE_LOCK | (struct pstore_info)->buf_lock |