aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/Kconfig.debug
diff options
context:
space:
mode:
authorPekka Paalanen <pq@iki.fi>2008-05-12 21:20:57 +0200
committerThomas Gleixner <tglx@linutronix.de>2008-05-24 11:21:55 +0200
commit10c43d2eb50c9a5ad60388b9d3c41c31150049e6 (patch)
treed5a15fe0661a880366b89d0f15cb79740a7302bb /arch/x86/Kconfig.debug
parent63ffa3e456c1a9884a3ebac997d91e3fdae18d78 (diff)
x86: explicit call to mmiotrace in do_page_fault()
The custom page fault handler list is replaced with a single function pointer. All related functions and variables are renamed for mmiotrace. Signed-off-by: Pekka Paalanen <pq@iki.fi> Cc: Christoph Hellwig <hch@infradead.org> Cc: Arjan van de Ven <arjan@infradead.org> Cc: pq@iki.fi Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/Kconfig.debug')
-rw-r--r--arch/x86/Kconfig.debug14
1 files changed, 6 insertions, 8 deletions
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 7c6496e2225..9491c0ae03a 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -168,20 +168,18 @@ config IOMMU_LEAK
Add a simple leak tracer to the IOMMU code. This is useful when you
are debugging a buggy device driver that leaks IOMMU mappings.
-config PAGE_FAULT_HANDLERS
- bool "Custom page fault handlers"
- depends on DEBUG_KERNEL
- help
- Allow the use of custom page fault handlers. A kernel module may
- register a function that is called on every page fault. Custom
- handlers are used by some debugging and reverse engineering tools.
+config MMIOTRACE_HOOKS
+ bool
+ default n
config MMIOTRACE
tristate "Memory mapped IO tracing"
- depends on DEBUG_KERNEL && PAGE_FAULT_HANDLERS && RELAY && DEBUG_FS
+ depends on DEBUG_KERNEL && RELAY && DEBUG_FS
+ select MMIOTRACE_HOOKS
default n
help
This will build a kernel module called mmiotrace.
+ Making this a built-in is heavily discouraged.
Mmiotrace traces Memory Mapped I/O access and is meant for debugging
and reverse engineering. The kernel module offers wrapped