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um: Create asm/sections.h

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arch/um/kernel/dyn.lds.S and arch/um/kernel/uml.lds.S define some
UML-specific symbols.  These symbols are used in the kernel part of UML
with extern declarations.

Move these declarations to a new header, asm/sections.h, like other
architectures do.

Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Nicolas Iooss 2014-10-12 13:02:11 +02:00 committed by Richard Weinberger
parent ba155e2d21
commit d5f20be7ca
5 changed files with 11 additions and 7 deletions
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1
arch/um/include/asm/Kbuild
View File

@ -22,7 +22,6 @@ generic-y += pci.h
generic-y += percpu.h generic-y += percpu.h
generic-y += preempt.h generic-y += preempt.h
generic-y += scatterlist.h generic-y += scatterlist.h
generic-y += sections.h
generic-y += switch_to.h generic-y += switch_to.h
generic-y += topology.h generic-y += topology.h
generic-y += trace_clock.h generic-y += trace_clock.h

9
arch/um/include/asm/sections.h Normal file
View File

@ -0,0 +1,9 @@
#ifndef __UM_SECTIONS_H
#define __UM_SECTIONS_H
#include <asm-generic/sections.h>
extern char __binary_start;
extern int __syscall_stub_start, __syscall_stub_end;
#endif

3
arch/um/kernel/physmem.c
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@ -8,6 +8,7 @@
#include <linux/mm.h> #include <linux/mm.h>
#include <linux/pfn.h> #include <linux/pfn.h>
#include <asm/page.h> #include <asm/page.h>
#include <asm/sections.h>
#include <as-layout.h> #include <as-layout.h>
#include <init.h> #include <init.h>
#include <kern.h> #include <kern.h>
@ -55,8 +56,6 @@ void map_memory(unsigned long virt, unsigned long phys, unsigned long len,
} }
} }
extern int __syscall_stub_start;
/** /**
* setup_physmem() - Setup physical memory for UML * setup_physmem() - Setup physical memory for UML
* @start: Start address of the physical kernel memory, * @start: Start address of the physical kernel memory,

3
arch/um/kernel/skas/mmu.c
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@ -8,12 +8,11 @@
#include <linux/slab.h> #include <linux/slab.h>
#include <asm/pgalloc.h> #include <asm/pgalloc.h>
#include <asm/pgtable.h> #include <asm/pgtable.h>
#include <asm/sections.h>
#include <as-layout.h> #include <as-layout.h>
#include <os.h> #include <os.h>
#include <skas.h> #include <skas.h>
extern int __syscall_stub_start;
static int init_stub_pte(struct mm_struct *mm, unsigned long proc, static int init_stub_pte(struct mm_struct *mm, unsigned long proc,
unsigned long kernel) unsigned long kernel)
{ {

2
arch/um/kernel/um_arch.c
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@ -248,8 +248,6 @@ EXPORT_SYMBOL(end_iomem);
#define MIN_VMALLOC (32 * 1024 * 1024) #define MIN_VMALLOC (32 * 1024 * 1024)
extern char __binary_start;
int __init linux_main(int argc, char **argv) int __init linux_main(int argc, char **argv)
{ {
unsigned long avail, diff; unsigned long avail, diff;