/* 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