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Date: Thu, 24 Oct 2019 14:09:01 +1000
From: Greg Ungerer <gerg@...ux-m68k.org>
To: Mike Rapoport <rppt@...nel.org>, linux-mm@...ck.org
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Anton Ivanov <anton.ivanov@...bridgegreys.com>,
Arnd Bergmann <arnd@...db.de>,
"David S. Miller" <davem@...emloft.net>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Greentime Hu <green.hu@...il.com>,
Helge Deller <deller@....de>,
"James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
Jeff Dike <jdike@...toit.com>,
"Kirill A. Shutemov" <kirill@...temov.name>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Mark Salter <msalter@...hat.com>,
Matt Turner <mattst88@...il.com>,
Michal Simek <monstr@...str.eu>,
Richard Weinberger <richard@....at>,
Russell King <linux@...linux.org.uk>,
Sam Creasey <sammy@...my.net>,
Vincent Chen <deanbo422@...il.com>,
Vineet Gupta <Vineet.Gupta1@...opsys.com>,
linux-alpha@...r.kernel.org, linux-arch@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-c6x-dev@...ux-c6x.org,
linux-kernel@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
linux-parisc@...r.kernel.org, linux-um@...ts.infradead.org,
sparclinux@...r.kernel.org, Mike Rapoport <rppt@...ux.ibm.com>
Subject: Re: [PATCH 04/12] m68k: nommu: use pgtable-nopud instead of
4level-fixup
Hi Mike,
On 23/10/19 7:28 pm, Mike Rapoport wrote:
> From: Mike Rapoport <rppt@...ux.ibm.com>
>
> The generic nommu implementation of page table manipulation takes care of
> folding of the upper levels and does not require fixups.
>
> Simply replace of include/asm-generic/4level-fixup.h with
> include/asm-generic/pgtable-nopud.h.
>
> Signed-off-by: Mike Rapoport <rppt@...ux.ibm.com>
> ---
> arch/m68k/include/asm/pgtable_no.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/m68k/include/asm/pgtable_no.h b/arch/m68k/include/asm/pgtable_no.h
> index c18165b..ccc4568 100644
> --- a/arch/m68k/include/asm/pgtable_no.h
> +++ b/arch/m68k/include/asm/pgtable_no.h
> @@ -2,7 +2,7 @@
> #ifndef _M68KNOMMU_PGTABLE_H
> #define _M68KNOMMU_PGTABLE_H
>
> -#include <asm-generic/4level-fixup.h>
> +#include <asm-generic/pgtable-nopud.h>
>
> /*
> * (C) Copyright 2000-2002, Greg Ungerer <gerg@...pgear.com>
This fails to compile for me (targeting m5208evb_defconfig):
CC init/main.o
In file included from ./arch/m68k/include/asm/pgtable_no.h:56:0,
from ./arch/m68k/include/asm/pgtable.h:3,
from ./include/linux/mm.h:99,
from ./include/linux/ring_buffer.h:5,
from ./include/linux/trace_events.h:6,
from ./include/trace/syscall.h:7,
from ./include/linux/syscalls.h:85,
from init/main.c:21:
./include/asm-generic/pgtable.h:738:34: error: unknown type name ‘pmd_t’
static inline int pmd_soft_dirty(pmd_t pmd)
^
./include/asm-generic/pgtable.h:748:15: error: unknown type name ‘pmd_t’
static inline pmd_t pmd_mksoft_dirty(pmd_t pmd)
^
./include/asm-generic/pgtable.h:748:38: error: unknown type name ‘pmd_t’
static inline pmd_t pmd_mksoft_dirty(pmd_t pmd)
^
./include/asm-generic/pgtable.h:758:15: error: unknown type name ‘pmd_t’
static inline pmd_t pmd_clear_soft_dirty(pmd_t pmd)
^
./include/asm-generic/pgtable.h:758:42: error: unknown type name ‘pmd_t’
static inline pmd_t pmd_clear_soft_dirty(pmd_t pmd)
^
./include/asm-generic/pgtable.h:778:15: error: unknown type name ‘pmd_t’
static inline pmd_t pmd_swp_mksoft_dirty(pmd_t pmd)
^
./include/asm-generic/pgtable.h:778:42: error: unknown type name ‘pmd_t’
static inline pmd_t pmd_swp_mksoft_dirty(pmd_t pmd)
^
./include/asm-generic/pgtable.h:783:38: error: unknown type name ‘pmd_t’
static inline int pmd_swp_soft_dirty(pmd_t pmd)
^
./include/asm-generic/pgtable.h:788:15: error: unknown type name ‘pmd_t’
static inline pmd_t pmd_swp_clear_soft_dirty(pmd_t pmd)
^
./include/asm-generic/pgtable.h:788:46: error: unknown type name ‘pmd_t’
static inline pmd_t pmd_swp_clear_soft_dirty(pmd_t pmd)
^
./include/asm-generic/pgtable.h:1071:32: error: unknown type name ‘pmd_t’
static inline int pmd_set_huge(pmd_t *pmd, phys_addr_t addr, pgprot_t prot)
^
./include/asm-generic/pgtable.h:1083:34: error: unknown type name ‘pmd_t’
static inline int pmd_clear_huge(pmd_t *pmd)
^
./include/asm-generic/pgtable.h:1095:37: error: unknown type name ‘pmd_t’
static inline int pmd_free_pte_page(pmd_t *pmd, unsigned long addr)
^
In file included from ./include/linux/ring_buffer.h:5:0,
from ./include/linux/trace_events.h:6,
from ./include/trace/syscall.h:7,
from ./include/linux/syscalls.h:85,
from init/main.c:21:
./include/linux/mm.h:423:2: error: unknown type name ‘pmd_t’
pmd_t *pmd; /* Pointer to pmd entry matching
^
./include/linux/mm.h:568:30: error: unknown type name ‘pmd_t’
static inline int pmd_devmap(pmd_t pmd)
^
In file included from ./include/linux/mm.h:587:0,
from ./include/linux/ring_buffer.h:5,
from ./include/linux/trace_events.h:6,
from ./include/trace/syscall.h:7,
from ./include/linux/syscalls.h:85,
from init/main.c:21:
./include/linux/huge_mm.h:12:5: error: unknown type name ‘pmd_t’
pmd_t *dst_pmd, pmd_t *src_pmd, unsigned long addr,
^
./include/linux/huge_mm.h:12:21: error: unknown type name ‘pmd_t’
pmd_t *dst_pmd, pmd_t *src_pmd, unsigned long addr,
^
./include/linux/huge_mm.h:14:57: error: unknown type name ‘pmd_t’
extern void huge_pmd_set_accessed(struct vm_fault *vmf, pmd_t orig_pmd);
^
./include/linux/huge_mm.h:27:61: error: unknown type name ‘pmd_t’
extern vm_fault_t do_huge_pmd_wp_page(struct vm_fault *vmf, pmd_t orig_pmd);
^
./include/linux/huge_mm.h:30:8: error: unknown type name ‘pmd_t’
pmd_t *pmd,
^
./include/linux/huge_mm.h:34:4: error: unknown type name ‘pmd_t’
pmd_t *pmd, unsigned long addr, unsigned long next);
^
./include/linux/huge_mm.h:37:4: error: unknown type name ‘pmd_t’
pmd_t *pmd, unsigned long addr);
^
./include/linux/huge_mm.h:41:57: error: unknown type name ‘pmd_t’
extern int mincore_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
^
./include/linux/huge_mm.h:46:5: error: unknown type name ‘pmd_t’
pmd_t *old_pmd, pmd_t *new_pmd);
^
./include/linux/huge_mm.h:46:21: error: unknown type name ‘pmd_t’
pmd_t *old_pmd, pmd_t *new_pmd);
^
./include/linux/huge_mm.h:47:56: error: unknown type name ‘pmd_t’
extern int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
^
./include/linux/huge_mm.h:336:65: error: unknown type name ‘pmd_t’
static inline void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
^
./include/linux/huge_mm.h:356:31: error: unknown type name ‘pmd_t’
static inline int is_swap_pmd(pmd_t pmd)
^
./include/linux/huge_mm.h:360:47: error: unknown type name ‘pmd_t’
static inline spinlock_t *pmd_trans_huge_lock(pmd_t *pmd,
^
./include/linux/huge_mm.h:372:3: error: unknown type name ‘pmd_t’
pmd_t orig_pmd)
^
./include/linux/huge_mm.h:393:22: error: unknown type name ‘pmd_t’
unsigned long addr, pmd_t *pmd, int flags, struct dev_pagemap **pgmap)
^
In file included from ./include/linux/ring_buffer.h:5:0,
from ./include/linux/trace_events.h:6,
from ./include/trace/syscall.h:7,
from ./include/linux/syscalls.h:85,
from init/main.c:21:
./include/linux/mm.h:1447:5: error: unknown type name ‘pmd_t’
pmd_t pmd);
^
./include/linux/mm.h:1464:21: error: unknown type name ‘pmd_t’
pte_t **ptepp, pmd_t **pmdpp, spinlock_t **ptlp);
^
./include/linux/mm.h:1850:39: error: unknown type name ‘pmd_t’
int __pte_alloc(struct mm_struct *mm, pmd_t *pmd);
^
./include/linux/mm.h:1851:24: error: unknown type name ‘pmd_t’
int __pte_alloc_kernel(pmd_t *pmd);
^
./include/linux/mm.h:1937:61: error: unknown type name ‘pmd_t’
static inline spinlock_t *pte_lockptr(struct mm_struct *mm, pmd_t *pmd)
^
./include/linux/mm.h:2028:61: error: unknown type name ‘pmd_t’
static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd)
^
./include/linux/mm.h:2040:58: error: unknown type name ‘pmd_t’
static inline spinlock_t *pmd_lock(struct mm_struct *mm, pmd_t *pmd)
^
In file included from ./include/linux/ring_buffer.h:5:0,
from ./include/linux/trace_events.h:6,
from ./include/trace/syscall.h:7,
from ./include/linux/syscalls.h:85,
from init/main.c:21:
./include/linux/mm.h:2755:1: error: unknown type name ‘pmd_t’
pmd_t *vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node);
^
./include/linux/mm.h:2756:29: error: unknown type name ‘pmd_t’
pte_t *vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node);
^
scripts/Makefile.build:265: recipe for target 'init/main.o' failed
make[1]: *** [init/main.o] Error 1
Makefile:1649: recipe for target 'init' failed
make: *** [init] Error 2
Regards
Greg
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