| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * A generic stack depot implementation |
| * |
| * Author: Alexander Potapenko <glider@google.com> |
| * Copyright (C) 2016 Google, Inc. |
| * |
| * Based on code by Dmitry Chernenkov. |
| */ |
| |
| #ifndef _LINUX_STACKDEPOT_H |
| #define _LINUX_STACKDEPOT_H |
| |
| typedef u32 depot_stack_handle_t; |
| |
| depot_stack_handle_t stack_depot_save(unsigned long *entries, |
| unsigned int nr_entries, gfp_t gfp_flags); |
| |
| unsigned int stack_depot_fetch(depot_stack_handle_t handle, |
| unsigned long **entries); |
| |
| unsigned int filter_irq_stacks(unsigned long *entries, unsigned int nr_entries); |
| |
| #ifdef CONFIG_STACKDEPOT |
| int stack_depot_init(void); |
| #else |
| static inline int stack_depot_init(void) |
| { |
| return 0; |
| } |
| #endif /* CONFIG_STACKDEPOT */ |
| |
| #endif |
