blob: 2595defe8c0d92dd3ec395da082b3c0909ff06eb [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/kexec.h>
struct kexec_segment;
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);
#include <linux/purgatory.h>
void kimage_file_post_load_cleanup(struct kimage *image);
extern char kexec_purgatory[];
extern size_t kexec_purgatory_size;
static inline void kimage_file_post_load_cleanup(struct kimage *image) { }
#endif /* CONFIG_KEXEC_FILE */