Hi Geert, On Tue, Nov 26, 2019 at 09:10:22AM +0100, Geert Uytterhoeven wrote: > Hi Andrew, > > On Tue, Nov 26, 2019 at 5:33 AM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > > On Mon, 25 Nov 2019 12:05:43 +0800 kbuild test robot <lkp@xxxxxxxxx> wrote: > > > tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > > > branch HEAD: b9d3d01405061bb42358fe53f824e894a1922ced Add linux-next specific files for 20191122 > > > > > > Regressions in current branch: > > > > > > arch/m68k/mm/kmap.c:348:2: error: #endif without #if > > That one is fixed by your > m68k-mm-use-pgtable-nopxd-instead-of-4level-fixup-fix.patch. > > > > arch/m68k/mm/kmap.c:352:3: error: 'p4d_dir' undeclared (first use in this function); did you mean 'pmd_dir'? > > > arch/m68k/mm/kmap.c:353:3: error: 'pud_dir' undeclared (first use in this function); did you mean 'p4d_dir'? > > You lost the addition of > > + p4d_t *p4d_dir; > + pud_t *pud_dir; > > to kernel_set_cachemode(). > > > > arch/m68k/mm/kmap.c:76:24: error: passing argument 1 of 'pmd_offset' from incompatible pointer type [-Werror=incompatible-pointer-types] > > > arch/m68k/mm/kmap.c:80:28: error: 'pmd_t {aka struct <anonymous>}' has no member named 'pmd'; did you mean 'pud'? > > Mike's changes to __iounmap() should be applied to __free_io_area() now, > due to hch's move/rename of the function. > > > Thanks - a messed up merge fix, I guess. Mike, can you please check? > > I've attached an incremental fix, compile-tested only. I was just about to send the same fix :) It boots on aranym. > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds > From 619eab7044ec1f43d761c95fd62f50be2e5deb63 Mon Sep 17 00:00:00 2001 > From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> > 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 <geert@xxxxxxxxxxxxxx> > --- > 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)); ^ bad pud ;-) > + 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 > -- Sincerely yours, Mike.