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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-09-23 23:08:43 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2009-09-23 23:08:43 +0200 |
| commit | d7a4b414eed51f1653bb05ebe84122bf9a7ae18b (patch) | |
| tree | bd6603a0c27de4c138a1767871897e9cd3e1a1d2 /arch/arm/mm/fault.c | |
| parent | 1f0ab40976460bc4673fa204ce917a725185d8f2 (diff) | |
| parent | a724eada8c2a7b62463b73ccf73fd0bb6e928aeb (diff) | |
Merge commit 'linus/master' into tracing/kprobes
Conflicts:
kernel/trace/Makefile
kernel/trace/trace.h
kernel/trace/trace_event_types.h
kernel/trace/trace_export.c
Merge reason:
Sync with latest significant tracing core changes.
Diffstat (limited to 'arch/arm/mm/fault.c')
| -rw-r--r-- | arch/arm/mm/fault.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 6fdcbb70982..cc8829d7e11 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -16,6 +16,8 @@ #include <linux/kprobes.h> #include <linux/uaccess.h> #include <linux/page-flags.h> +#include <linux/sched.h> +#include <linux/highmem.h> #include <asm/system.h> #include <asm/pgtable.h> @@ -23,6 +25,7 @@ #include "fault.h" +#ifdef CONFIG_MMU #ifdef CONFIG_KPROBES static inline int notify_page_fault(struct pt_regs *regs, unsigned int fsr) @@ -97,6 +100,10 @@ void show_pte(struct mm_struct *mm, unsigned long addr) printk("\n"); } +#else /* CONFIG_MMU */ +void show_pte(struct mm_struct *mm, unsigned long addr) +{ } +#endif /* CONFIG_MMU */ /* * Oops. The kernel tried to access some page that wasn't present. @@ -171,6 +178,7 @@ void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs) __do_kernel_fault(mm, addr, fsr, regs); } +#ifdef CONFIG_MMU #define VM_FAULT_BADMAP 0x010000 #define VM_FAULT_BADACCESS 0x020000 @@ -322,6 +330,13 @@ no_context: __do_kernel_fault(mm, addr, fsr, regs); return 0; } +#else /* CONFIG_MMU */ +static int +do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) +{ + return 0; +} +#endif /* CONFIG_MMU */ /* * First Level Translation Fault Handler @@ -340,6 +355,7 @@ no_context: * interrupt or a critical region, and should only copy the information * from the master page table, nothing more. */ +#ifdef CONFIG_MMU static int __kprobes do_translation_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) @@ -378,6 +394,14 @@ bad_area: do_bad_area(addr, fsr, regs); return 0; } +#else /* CONFIG_MMU */ +static int +do_translation_fault(unsigned long addr, unsigned int fsr, + struct pt_regs *regs) +{ + return 0; +} +#endif /* CONFIG_MMU */ /* * Some section permission faults need to be handled gracefully. |