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authorGary King <gking@nvidia.com>2009-12-07 16:18:05 -0800
committerGary King <gking@nvidia.com>2009-12-07 16:18:05 -0800
commitbb11d46b72a4a2b53f890faa970a380cf0084bf2 (patch)
tree2d9d2955e069fed69febbe567a835fcc48ec6ec6 /arch/arm/mm/fault.c
parente1b5e49debba7174e7b9c48195de8abfd54911dd (diff)
parent74ece4056571443eef30d4dff62180944b5a39d8 (diff)
Merge commit 'arm/2.6.28-arm' into android-tegra-2.6.29
Conflicts: MAINTAINERS arch/arm/Kconfig arch/arm/Makefile arch/arm/boot/compressed/head.S arch/arm/common/Makefile arch/arm/configs/realview-smp_defconfig arch/arm/configs/realview_defconfig arch/arm/configs/versatile_defconfig arch/arm/include/asm/elf.h arch/arm/include/asm/uaccess.h arch/arm/kernel/module.c arch/arm/kernel/signal.c arch/arm/mach-realview/Kconfig arch/arm/mach-realview/Makefile arch/arm/mach-realview/core.c arch/arm/mach-realview/core.h arch/arm/mach-realview/include/mach/board-pba8.h arch/arm/mach-realview/include/mach/debug-macro.S arch/arm/mach-realview/include/mach/hardware.h arch/arm/mach-realview/include/mach/irqs.h arch/arm/mach-realview/include/mach/memory.h arch/arm/mach-realview/include/mach/uncompress.h arch/arm/mach-realview/localtimer.c arch/arm/mach-realview/platsmp.c arch/arm/mach-realview/realview_eb.c arch/arm/mach-realview/realview_pb1176.c arch/arm/mach-realview/realview_pb11mp.c arch/arm/mach-realview/realview_pba8.c arch/arm/mm/Kconfig arch/arm/mm/copypage-v6.c arch/arm/mm/dma-mapping.c arch/arm/mm/proc-v7.S arch/arm/oprofile/op_model_mpcore.c arch/arm/tools/mach-types arch/arm/vfp/vfpmodule.c drivers/mtd/maps/integrator-flash.c drivers/net/smsc911x.c drivers/net/smsc911x.h
Diffstat (limited to 'arch/arm/mm/fault.c')
-rw-r--r--arch/arm/mm/fault.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 0455557a2899..91b0dbba6cfe 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -23,6 +23,7 @@
#include "fault.h"
+#ifdef CONFIG_MMU
#ifdef CONFIG_KPROBES
static inline int notify_page_fault(struct pt_regs *regs, unsigned int fsr)
@@ -97,6 +98,10 @@ 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 +176,7 @@ 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 +328,13 @@ 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 +353,7 @@ 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 +392,14 @@ 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.