196 static void dump_prot(struct pg_state *st, const struct prot_bits *bits,  in dump_prot()  argument
204 		if ((st->current_prot & bits->mask) == bits->val)  in dump_prot()
210 			pt_dump_seq_printf(st->seq, " %s", s);  in dump_prot()
214 static void note_prot_uxn(struct pg_state *st, unsigned long addr)  in note_prot_uxn()  argument
216 	if (!st->check_wx)  in note_prot_uxn()
219 	if ((st->current_prot & PTE_UXN) == PTE_UXN)  in note_prot_uxn()
223 		  (void *)st->start_address, (void *)st->start_address);  in note_prot_uxn()
225 	st->uxn_pages += (addr - st->start_address) / PAGE_SIZE;  in note_prot_uxn()
228 static void note_prot_wx(struct pg_state *st, unsigned long addr)  in note_prot_wx()  argument
230 	if (!st->check_wx)  in note_prot_wx()
232 	if ((st->current_prot & PTE_RDONLY) == PTE_RDONLY)  in note_prot_wx()
234 	if ((st->current_prot & PTE_PXN) == PTE_PXN)  in note_prot_wx()
238 		  (void *)st->start_address, (void *)st->start_address);  in note_prot_wx()
240 	st->wx_pages += (addr - st->start_address) / PAGE_SIZE;  in note_prot_wx()
243 static void note_page(struct pg_state *st, unsigned long addr, unsigned level,  in note_page()  argument
249 	if (!st->level) {  in note_page()
250 		st->level = level;  in note_page()
251 		st->current_prot = prot;  in note_page()
252 		st->start_address = addr;  in note_page()
253 		pt_dump_seq_printf(st->seq, "---[ %s ]---\n", st->marker->name);  in note_page()
254 	} else if (prot != st->current_prot || level != st->level ||  in note_page()
255 		   addr >= st->marker[1].start_address) {  in note_page()
259 		if (st->current_prot) {  in note_page()
260 			note_prot_uxn(st, addr);  in note_page()
261 			note_prot_wx(st, addr);  in note_page()
262 			pt_dump_seq_printf(st->seq, "0x%016lx-0x%016lx   ",  in note_page()
263 				   st->start_address, addr);  in note_page()
265 			delta = (addr - st->start_address) >> 10;  in note_page()
270 			pt_dump_seq_printf(st->seq, "%9lu%c %s", delta, *unit,  in note_page()
271 				   pg_level[st->level].name);  in note_page()
272 			if (pg_level[st->level].bits)  in note_page()
273 				dump_prot(st, pg_level[st->level].bits,  in note_page()
274 					  pg_level[st->level].num);  in note_page()
275 			pt_dump_seq_puts(st->seq, "\n");  in note_page()
278 		if (addr >= st->marker[1].start_address) {  in note_page()
279 			st->marker++;  in note_page()
280 			pt_dump_seq_printf(st->seq, "---[ %s ]---\n", st->marker->name);  in note_page()
283 		st->start_address = addr;  in note_page()
284 		st->current_prot = prot;  in note_page()
285 		st->level = level;  in note_page()
288 	if (addr >= st->marker[1].start_address) {  in note_page()
289 		st->marker++;  in note_page()
290 		pt_dump_seq_printf(st->seq, "---[ %s ]---\n", st->marker->name);  in note_page()
295 static void walk_pte(struct pg_state *st, pmd_t *pmdp, unsigned long start,  in walk_pte()  argument
302 		note_page(st, addr, 4, READ_ONCE(pte_val(*ptep)));  in walk_pte()
306 static void walk_pmd(struct pg_state *st, pud_t *pudp, unsigned long start,  in walk_pmd()  argument
317 			note_page(st, addr, 3, pmd_val(pmd));  in walk_pmd()
320 			walk_pte(st, pmdp, addr, next);  in walk_pmd()
325 static void walk_pud(struct pg_state *st, pgd_t *pgdp, unsigned long start,  in walk_pud()  argument
336 			note_page(st, addr, 2, pud_val(pud));  in walk_pud()
339 			walk_pmd(st, pudp, addr, next);  in walk_pud()
344 static void walk_pgd(struct pg_state *st, struct mm_struct *mm,  in walk_pgd()  argument
356 			note_page(st, addr, 1, pgd_val(pgd));  in walk_pgd()
359 			walk_pud(st, pgdp, addr, next);  in walk_pgd()
366 	struct pg_state st = {  in ptdump_walk_pgd()  local
371 	walk_pgd(&st, info->mm, info->base_addr);  in ptdump_walk_pgd()
373 	note_page(&st, 0, 0, 0);  in ptdump_walk_pgd()
394 	struct pg_state st = {  in ptdump_check_wx()  local
403 	walk_pgd(&st, &init_mm, PAGE_OFFSET);  in ptdump_check_wx()
404 	note_page(&st, 0, 0, 0);  in ptdump_check_wx()
405 	if (st.wx_pages || st.uxn_pages)  in ptdump_check_wx()
407 			st.wx_pages, st.uxn_pages);  in ptdump_check_wx()