/* SPDX-License-Identifier: GPL-2.0 */
#ifndef LINUX_KEXEC_INTERNAL_H
#define LINUX_KEXEC_INTERNAL_H
#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, int idx);
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 )
{
int old = 0 ;
return atomic_try_cmpxchg_acquire(&__kexec_lock, &old, 1 );
}
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 */
struct kexec_buf;
#ifdef CONFIG_KEXEC_HANDOVER
int kho_locate_mem_hole(struct kexec_buf *kbuf,
int (*func)(struct resource *, void *));
int kho_fill_kimage(struct kimage *image);
#else
static inline int kho_locate_mem_hole(struct kexec_buf *kbuf,
int (*func)(struct resource *, void *))
{
return 1 ;
}
static inline int kho_fill_kimage(struct kimage *image) { return 0 ; }
#endif /* CONFIG_KEXEC_HANDOVER */
#endif /* LINUX_KEXEC_INTERNAL_H */
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(vorverarbeitet am 2026-09-27)
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