137 static void free_transition_pgtable(struct kimage *image)  in free_transition_pgtable()  argument
139 	free_page((unsigned long)image->arch.p4d);  in free_transition_pgtable()
140 	image->arch.p4d = NULL;  in free_transition_pgtable()
141 	free_page((unsigned long)image->arch.pud);  in free_transition_pgtable()
142 	image->arch.pud = NULL;  in free_transition_pgtable()
143 	free_page((unsigned long)image->arch.pmd);  in free_transition_pgtable()
144 	image->arch.pmd = NULL;  in free_transition_pgtable()
145 	free_page((unsigned long)image->arch.pte);  in free_transition_pgtable()
146 	image->arch.pte = NULL;  in free_transition_pgtable()
149 static int init_transition_pgtable(struct kimage *image, pgd_t *pgd,  in init_transition_pgtable()  argument
172 		image->arch.p4d = p4d;  in init_transition_pgtable()
180 		image->arch.pud = pud;  in init_transition_pgtable()
188 		image->arch.pmd = pmd;  in init_transition_pgtable()
196 		image->arch.pte = pte;  in init_transition_pgtable()
212 	struct kimage *image = (struct kimage *)data;  in alloc_pgt_page()  local
216 	page = kimage_alloc_control_pages(image, 0);  in alloc_pgt_page()
225 static int init_pgtable(struct kimage *image, unsigned long control_page)  in init_pgtable()  argument
229 		.context	= image,  in init_pgtable()
237 	image->arch.pgd = alloc_pgt_page(image);  in init_pgtable()
238 	if (!image->arch.pgd)  in init_pgtable()
253 		result = kernel_ident_mapping_init(&info, image->arch.pgd,  in init_pgtable()
265 	for (i = 0; i < image->nr_segments; i++) {  in init_pgtable()
266 		mstart = image->segment[i].mem;  in init_pgtable()
267 		mend   = mstart + image->segment[i].memsz;  in init_pgtable()
269 		result = kernel_ident_mapping_init(&info, image->arch.pgd,  in init_pgtable()
280 	result = map_efi_systab(&info, image->arch.pgd);  in init_pgtable()
284 	result = map_acpi_tables(&info, image->arch.pgd);  in init_pgtable()
290 	 * allocates will not be control pages and may overlap the image.  in init_pgtable()
292 	return init_transition_pgtable(image, image->arch.pgd, control_page);  in init_pgtable()
307 int machine_kexec_prepare(struct kimage *image)  in machine_kexec_prepare()  argument
309 	void *control_page = page_address(image->control_code_page);  in machine_kexec_prepare()
315 	result = init_pgtable(image, __pa(control_page));  in machine_kexec_prepare()
319 	kexec_pa_table_page = (unsigned long)__pa(image->arch.pgd);  in machine_kexec_prepare()
321 	if (image->type == KEXEC_TYPE_DEFAULT)  in machine_kexec_prepare()
322 		kexec_pa_swap_page = page_to_pfn(image->swap_page) << PAGE_SHIFT;  in machine_kexec_prepare()
331 void machine_kexec_cleanup(struct kimage *image)  in machine_kexec_cleanup()  argument
333 	void *control_page = page_address(image->control_code_page);  in machine_kexec_cleanup()
338 	free_transition_pgtable(image);  in machine_kexec_cleanup()
345 void __nocfi machine_kexec(struct kimage *image)  in machine_kexec()  argument
360 	if (image->preserve_context)  in machine_kexec()
371 	if (image->preserve_context) {  in machine_kexec()
384 	control_page = page_address(image->control_code_page);  in machine_kexec()
411 	image->start = relocate_kernel_ptr((unsigned long)image->head,  in machine_kexec()
413 					   image->start,  in machine_kexec()
414 					   image->preserve_context,  in machine_kexec()
418 	if (image->preserve_context)  in machine_kexec()
555 int arch_kimage_file_post_load_cleanup(struct kimage *image)  in arch_kimage_file_post_load_cleanup()  argument
557 	vfree(image->elf_headers);  in arch_kimage_file_post_load_cleanup()
558 	image->elf_headers = NULL;  in arch_kimage_file_post_load_cleanup()
559 	image->elf_headers_sz = 0;  in arch_kimage_file_post_load_cleanup()
561 	return kexec_image_post_load_cleanup_default(image);  in arch_kimage_file_post_load_cleanup()