From 619eab7044ec1f43d761c95fd62f50be2e5deb63 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 26 Nov 2019 09:06:43 +0100 Subject: [PATCH] m68k-mm-use-pgtable-nopxd-instead-of-4level-fixup-fix-fix.patch more merge glitch fixes. Signed-off-by: Geert Uytterhoeven --- arch/m68k/mm/kmap.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/arch/m68k/mm/kmap.c b/arch/m68k/mm/kmap.c index 06aa0ccc1f1aeca7..2bc570c14c3525dc 100644 --- a/arch/m68k/mm/kmap.c +++ b/arch/m68k/mm/kmap.c @@ -63,18 +63,23 @@ static void __free_io_area(void *addr, unsigned long size) { unsigned long virtaddr = (unsigned long)addr; pgd_t *pgd_dir; + p4d_t *p4d_dir; + pud_t *pud_dir; pmd_t *pmd_dir; pte_t *pte_dir; while ((long)size > 0) { pgd_dir = pgd_offset_k(virtaddr); - if (pgd_bad(*pgd_dir)) { - printk("iounmap: bad pgd(%08lx)\n", pgd_val(*pgd_dir)); - pgd_clear(pgd_dir); + p4d_dir = p4d_offset(pgd_dir, virtaddr); + pud_dir = pud_offset(p4d_dir, virtaddr); + if (pud_bad(*pud_dir)) { + printk("iounmap: bad pgd(%08lx)\n", pud_val(*pud_dir)); + pud_clear(pud_dir); return; } - pmd_dir = pmd_offset(pgd_dir, virtaddr); + pmd_dir = pmd_offset(pud_dir, virtaddr); +#if CONFIG_PGTABLE_LEVELS == 3 if (CPU_IS_020_OR_030) { int pmd_off = (virtaddr/PTRTREESIZE) & 15; int pmd_type = pmd_dir->pmd[pmd_off] & _DESCTYPE_MASK; @@ -87,6 +92,7 @@ static void __free_io_area(void *addr, unsigned long size) } else if (pmd_type == 0) continue; } +#endif if (pmd_bad(*pmd_dir)) { printk("iounmap: bad pmd (%08lx)\n", pmd_val(*pmd_dir)); @@ -314,6 +320,8 @@ void kernel_set_cachemode(void *addr, unsigned long size, int cmode) { unsigned long virtaddr = (unsigned long)addr; pgd_t *pgd_dir; + p4d_t *p4d_dir; + pud_t *pud_dir; pmd_t *pmd_dir; pte_t *pte_dir; -- 2.17.1