| 42,7 → 42,10 |
|---|
| #include <preemption.h> |
| #include <print.h> |
| #include <debug.h> |
| |
| #ifdef CONFIG_SYMTAB |
| #include <symtab.h> |
| #endif |
| |
| #ifdef CONFIG_FB |
| #include <genarch/fb/fb.h> |
| 76,8 → 79,10 |
|---|
| void spinlock_lock_debug(spinlock_t *sl) |
| { |
| count_t i = 0; |
| bool deadlock_reported = false; |
| #ifdef CONFIG_SYMTAB |
| char *symbol; |
| bool deadlock_reported = false; |
| #endif |
| |
| preemption_disable(); |
| while (test_and_set(&sl->val)) { |
| 108,9 → 113,11 |
|---|
| if (i++ > DEADLOCK_THRESHOLD) { |
| printf("cpu%u: looping on spinlock %" PRIp ":%s, caller=%" PRIp, |
| CPU->id, sl, sl->name, CALLER); |
| #ifdef CONFIG_SYMTAB |
| symbol = get_symtab_entry(CALLER); |
| if (symbol) |
| printf("(%s)", symbol); |
| #endif |
| printf("\n"); |
| i = 0; |
| deadlock_reported = true; |