X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;ds=sidebyside;f=lib%2FKconfig.debug;h=b520ec1f33c515d478e3e598a4101b4a8d49f334;hb=ef0658f3de484bf9b173639cd47544584e01efa5;hp=d57b12f59c8c3f0686eca5cbd416e5378177da8b;hpb=723e9db7a46e328527cc3da2b478b831184fe828;p=safe%2Fjmp%2Flinux-2.6

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index d57b12f..b520ec1 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -50,6 +50,14 @@ config MAGIC_SYSRQ
 	  keys are documented in <file:Documentation/sysrq.txt>. Don't say Y
 	  unless you really know what this hack does.
 
+config STRIP_ASM_SYMS
+	bool "Strip assembler-generated symbols during link"
+	default n
+	help
+	  Strip internal assembler-generated symbols during a link (symbols
+	  that look like '.Lxxx') so they don't pollute the output of
+	  get_wchan() and suchlike.
+
 config UNUSED_SYMBOLS
 	bool "Enable unused/obsolete exported symbols"
 	default y if X86
@@ -97,7 +105,7 @@ config DEBUG_SECTION_MISMATCH
 	bool "Enable full Section mismatch analysis"
 	depends on UNDEFINED
 	# This option is on purpose disabled for now.
-	# It will be enabled when we are down to a resonable number
+	# It will be enabled when we are down to a reasonable number
 	# of section mismatch warnings (< 10 for an allyesconfig build)
 	help
 	  The section mismatch analysis checks if there are illegal
@@ -290,6 +298,14 @@ config DEBUG_OBJECTS_TIMERS
 	  timer routines to track the life time of timer objects and
 	  validate the timer operations.
 
+config DEBUG_OBJECTS_WORK
+	bool "Debug work objects"
+	depends on DEBUG_OBJECTS
+	help
+	  If you say Y here, additional code will be inserted into the
+	  work queue routines to track the life time of work objects and
+	  validate the work operations.
+
 config DEBUG_OBJECTS_ENABLE_DEFAULT
 	int "debug_objects bootup default value (0-1)"
         range 0 1
@@ -338,11 +354,13 @@ config SLUB_STATS
 
 config DEBUG_KMEMLEAK
 	bool "Kernel memory leak detector"
-	depends on DEBUG_KERNEL && EXPERIMENTAL && (X86 || ARM || PPC) && \
-		!MEMORY_HOTPLUG
+	depends on DEBUG_KERNEL && EXPERIMENTAL && !MEMORY_HOTPLUG && \
+		(X86 || ARM || PPC || S390 || SUPERH)
+
 	select DEBUG_FS if SYSFS
 	select STACKTRACE if STACKTRACE_SUPPORT
 	select KALLSYMS
+	select CRC32
 	help
 	  Say Y here if you want to enable the memory leak
 	  detector. The memory allocation/freeing is traced in a way
@@ -362,7 +380,7 @@ config DEBUG_KMEMLEAK
 config DEBUG_KMEMLEAK_EARLY_LOG_SIZE
 	int "Maximum kmemleak early log entries"
 	depends on DEBUG_KMEMLEAK
-	range 200 2000
+	range 200 40000
 	default 400
 	help
 	  Kmemleak must track all the memory allocations to avoid
@@ -383,7 +401,7 @@ config DEBUG_KMEMLEAK_TEST
 
 config DEBUG_PREEMPT
 	bool "Debug preemptible kernel"
-	depends on DEBUG_KERNEL && PREEMPT && (TRACE_IRQFLAGS_SUPPORT || PPC64)
+	depends on DEBUG_KERNEL && PREEMPT && TRACE_IRQFLAGS_SUPPORT
 	default y
 	help
 	  If you say Y here then the kernel will use a debug variant of the
@@ -481,6 +499,18 @@ config PROVE_LOCKING
 
 	 For more details, see Documentation/lockdep-design.txt.
 
+config PROVE_RCU
+	bool "RCU debugging: prove RCU correctness"
+	depends on PROVE_LOCKING
+	default n
+	help
+	 This feature enables lockdep extensions that check for correct
+	 use of RCU APIs.  This is currently under development.  Say Y
+	 if you want to debug RCU usage or help work on the PROVE_RCU
+	 feature.
+
+	 Say N if you are unsure.
+
 config LOCKDEP
 	bool
 	depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
@@ -558,7 +588,7 @@ config DEBUG_BUGVERBOSE
 	depends on BUG
 	depends on ARM || AVR32 || M32R || M68K || SPARC32 || SPARC64 || \
 		   FRV || SUPERH || GENERIC_BUG || BLACKFIN || MN10300
-	default !EMBEDDED
+	default y
 	help
 	  Say Y here to make BUG() panics output the file name and line number
 	  of the BUG call as well as the EIP and oops trace.  This aids
@@ -741,16 +771,28 @@ config RCU_TORTURE_TEST_RUNNABLE
 config RCU_CPU_STALL_DETECTOR
 	bool "Check for stalled CPUs delaying RCU grace periods"
 	depends on TREE_RCU || TREE_PREEMPT_RCU
-	default n
+	default y
 	help
 	  This option causes RCU to printk information on which
 	  CPUs are delaying the current grace period, but only when
 	  the grace period extends for excessive time periods.
 
-	  Say Y if you want RCU to perform such checks.
+	  Say N if you want to disable such checks.
+
+	  Say Y if you are unsure.
+
+config RCU_CPU_STALL_VERBOSE
+	bool "Print additional per-task information for RCU_CPU_STALL_DETECTOR"
+	depends on RCU_CPU_STALL_DETECTOR && TREE_PREEMPT_RCU
+	default n
+	help
+	  This option causes RCU to printk detailed per-task information
+	  for any tasks that are stalling the current RCU grace period.
 
 	  Say N if you are unsure.
 
+	  Say Y if you want to enable such checks.
+
 config KPROBES_SANITY_TEST
 	bool "Kprobes sanity tests"
 	depends on DEBUG_KERNEL
@@ -822,8 +864,7 @@ config DEBUG_FORCE_WEAK_PER_CPU
 
 config LKDTM
 	tristate "Linux Kernel Dump Test Tool Module"
-	depends on DEBUG_KERNEL
-	depends on KPROBES
+	depends on DEBUG_FS
 	depends on BLOCK
 	default n
 	help
@@ -834,7 +875,7 @@ config LKDTM
 	called lkdtm.
 
 	Documentation on how to use the module can be found in
-	drivers/misc/lkdtm.c
+	Documentation/fault-injection/provoke-crashes.txt
 
 config FAULT_INJECTION
 	bool "Fault-injection framework"
@@ -903,7 +944,7 @@ config LATENCYTOP
 
 config SYSCTL_SYSCALL_CHECK
 	bool "Sysctl checks"
-	depends on SYSCTL_SYSCALL
+	depends on SYSCTL
 	---help---
 	  sys_sysctl uses binary paths that have been found challenging
 	  to properly maintain and use. This enables checks that help