| 123456789101112131415161718192021222324252627282930313233343536373839 |
- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef LINUX_KEXEC_INTERNAL_H
- #define LINUX_KEXEC_INTERNAL_H
- #include <linux/kexec.h>
- struct kimage *do_kimage_alloc_init(void);
- int sanity_check_segment_list(struct kimage *image);
- void kimage_free_page_list(struct list_head *list);
- void kimage_free(struct kimage *image);
- int kimage_load_segment(struct kimage *image, struct kexec_segment *segment);
- void kimage_terminate(struct kimage *image);
- int kimage_is_destination_range(struct kimage *image,
- unsigned long start, unsigned long end);
- /*
- * Whatever is used to serialize accesses to the kexec_crash_image needs to be
- * NMI safe, as __crash_kexec() can happen during nmi_panic(), so here we use a
- * "simple" atomic variable that is acquired with a cmpxchg().
- */
- extern atomic_t __kexec_lock;
- static inline bool kexec_trylock(void)
- {
- return atomic_cmpxchg_acquire(&__kexec_lock, 0, 1) == 0;
- }
- static inline void kexec_unlock(void)
- {
- atomic_set_release(&__kexec_lock, 0);
- }
- #ifdef CONFIG_KEXEC_FILE
- #include <linux/purgatory.h>
- void kimage_file_post_load_cleanup(struct kimage *image);
- extern char kexec_purgatory[];
- extern size_t kexec_purgatory_size;
- #else /* CONFIG_KEXEC_FILE */
- static inline void kimage_file_post_load_cleanup(struct kimage *image) { }
- #endif /* CONFIG_KEXEC_FILE */
- #endif /* LINUX_KEXEC_INTERNAL_H */
|
