[PATCH] fault-injection capability for alloc_pages()

[powerpc.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 5c114c3..c66b7b4 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1,6 +1,7 @@
 
 config PRINTK_TIME
        bool "Show timing information on printks"
+       depends on PRINTK
        help
          Selecting this option causes timing information to be
          included in printk output.  This allows you to measure
@@ -71,7 +72,7 @@ config LOG_BUF_SHIFT
 
 config DETECT_SOFTLOCKUP
        bool "Detect Soft Lockups"
-       depends on DEBUG_KERNEL
+       depends on DEBUG_KERNEL && !S390
        default y
        help
          Say Y here to enable the kernel to detect "soft lockups",
@@ -225,7 +226,7 @@ config LOCKDEP
        bool
        depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
        select STACKTRACE
-       select FRAME_POINTER
+       select FRAME_POINTER if !X86
        select KALLSYMS
        select KALLSYMS_ALL
 
@@ -284,7 +285,7 @@ config DEBUG_HIGHMEM
 config DEBUG_BUGVERBOSE
        bool "Verbose BUG() reporting (adds 70K)" if DEBUG_KERNEL && EMBEDDED
        depends on BUG
-       depends on ARM || ARM26 || M32R || M68K || SPARC32 || SPARC64 || X86_32 || FRV
+       depends on ARM || ARM26 || AVR32 || M32R || M68K || SPARC32 || SPARC64 || FRV || SUPERH || GENERIC_BUG
        default !EMBEDDED
        help
          Say Y here to make BUG() panics output the file name and line number
@@ -320,9 +321,18 @@ config DEBUG_VM
 
          If unsure, say N.
 
+config DEBUG_LIST
+       bool "Debug linked list manipulation"
+       depends on DEBUG_KERNEL
+       help
+         Enable this to turn on extended checks in the linked-list
+         walking routines.
+
+         If unsure, say N.
+
 config FRAME_POINTER
        bool "Compile the kernel with frame pointers"
-       depends on DEBUG_KERNEL && (X86 || CRIS || M68K || M68KNOMMU || FRV || UML || S390)
+       depends on DEBUG_KERNEL && (X86 || CRIS || M68K || M68KNOMMU || FRV || UML || S390 || AVR32 || SUPERH)
        default y if DEBUG_INFO && UML
        help
          If you say Y here the resulting kernel image will be slightly larger
@@ -332,7 +342,7 @@ config FRAME_POINTER
 
 config UNWIND_INFO
        bool "Compile the kernel with frame unwind information"
-       depends on !IA64 && !PARISC
+       depends on !IA64 && !PARISC && !ARM
        depends on !MODULES || !(MIPS || PPC || SUPERH || V850)
        help
          If you say Y here the resulting kernel image will be slightly larger
@@ -362,6 +372,20 @@ config FORCED_INLINING
          become the default in the future, until then this option is there to
          test gcc for this.
 
+config HEADERS_CHECK
+       bool "Run 'make headers_check' when building vmlinux"
+       depends on !UML
+       help
+         This option will extract the user-visible kernel headers whenever
+         building the kernel, and will run basic sanity checks on them to
+         ensure that exported files do not attempt to include files which
+         were not exported, etc.
+
+         If you're making modifications to header files which are
+         relevant for userspace, say 'Y', and check the headers
+         exported to $(INSTALL_HDR_PATH) (usually 'usr/include' in
+         your build tree), to make sure they're suitable.
+
 config RCU_TORTURE_TEST
        tristate "torture tests for RCU"
        depends on DEBUG_KERNEL
@@ -375,3 +399,43 @@ config RCU_TORTURE_TEST
          at boot time (you probably don't).
          Say M if you want the RCU torture tests to build as a module.
          Say N if you are unsure.
+
+config LKDTM
+       tristate "Linux Kernel Dump Test Tool Module"
+       depends on KPROBES
+       default n
+       help
+       This module enables testing of the different dumping mechanisms by
+       inducing system failures at predefined crash points.
+       If you don't need it: say N
+       Choose M here to compile this code as a module. The module will be
+       called lkdtm.
+
+       Documentation on how to use the module can be found in
+       drivers/misc/lkdtm.c
+
+config FAULT_INJECTION
+       bool
+
+config FAILSLAB
+       bool "Fault-injection capabilitiy for kmalloc"
+       depends on DEBUG_KERNEL
+       select FAULT_INJECTION
+       help
+         This option provides fault-injection capabilitiy for kmalloc.
+
+config FAIL_PAGE_ALLOC
+       bool "Fault-injection capabilitiy for alloc_pages()"
+       depends on DEBUG_KERNEL
+       select FAULT_INJECTION
+       help
+         This option provides fault-injection capabilitiy for alloc_pages().
+
+config FAULT_INJECTION_DEBUG_FS
+       bool "Debugfs entries for fault-injection capabilities"
+       depends on FAULT_INJECTION && SYSFS
+       select DEBUG_FS
+       help
+         This option enable configuration of fault-injection capabilities via
+         debugfs.
+