kdb_restore_flags() and kdb_save_flags() were added in 2010 by commit 5d5314d6795f ("kdb: core for kgdb back end (1 of 2)") but have remained unused. Remove them, and their associated storage.
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| @@ -536,21 +536,3 @@ bool kdb_task_state(const struct task_struct *p, const char *mask) · 535 unmodified lines | ||
| 536 | 536 | |
| 537 | 537 | return strchr(mask, state); |
| 538 | 538 | } |
| 539 | − | |
| 540 | −/* Maintain a small stack of kdb_flags to allow recursion without disturbing | |
| 541 | − * the global kdb state. | |
| 542 | − */ | |
| 543 | − | |
| 544 | −static int kdb_flags_stack[4], kdb_flags_index; | |
| 545 | − | |
| 546 | −void kdb_save_flags(void) | |
| 547 | −{ | |
| 548 | − BUG_ON(kdb_flags_index >= ARRAY_SIZE(kdb_flags_stack)); | |
| 549 | − kdb_flags_stack[kdb_flags_index++] = kdb_flags; | |
| 550 | −} | |
| 551 | − | |
| 552 | −void kdb_restore_flags(void) | |
| 553 | −{ | |
| 554 | − BUG_ON(kdb_flags_index <= 0); | |
| 555 | − kdb_flags = kdb_flags_stack[--kdb_flags_index]; | |
| 556 | −} | |