linux/security/integrity/ima/ima_kexec.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2016 IBM Corporation
 *
 * Authors:
 * Thiago Jung Bauermann <[email protected]>
 * Mimi Zohar <[email protected]>
 */

#include <linux/seq_file.h>
#include <linux/vmalloc.h>
#include <linux/kexec.h>
#include <linux/of.h>
#include <linux/ima.h>
#include "ima.h"

#ifdef CONFIG_IMA_KEXEC
static int ima_dump_measurement_list(unsigned long *buffer_size, void **buffer,
				     unsigned long segment_size)
{ … }

/*
 * Called during kexec_file_load so that IMA can add a segment to the kexec
 * image for the measurement list for the next kernel.
 *
 * This function assumes that kexec_lock is held.
 */
void ima_add_kexec_buffer(struct kimage *image)
{ … }
#endif /* IMA_KEXEC */

/*
 * Restore the measurement list from the previous kernel.
 */
void __init ima_load_kexec_buffer(void)
{ … }