X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=lib%2FKconfig.debug;h=e722e9d62221d40560176b5f8d2cabdcf74a5e2d;hb=09414207d4daab8c4990bface3a79fdba3474bec;hp=b520ec1f33c515d478e3e598a4101b4a8d49f334;hpb=0347af4ee3922220f6bfe74b87b526aa709a0365;p=safe%2Fjmp%2Flinux-2.6

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index b520ec1..e722e9d 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -103,7 +103,8 @@ config HEADERS_CHECK
 
 config DEBUG_SECTION_MISMATCH
 	bool "Enable full Section mismatch analysis"
-	depends on UNDEFINED
+	depends on UNDEFINED || (BLACKFIN)
+	default y
 	# This option is on purpose disabled for now.
 	# It will be enabled when we are down to a reasonable number
 	# of section mismatch warnings (< 10 for an allyesconfig build)
@@ -355,7 +356,7 @@ config SLUB_STATS
 config DEBUG_KMEMLEAK
 	bool "Kernel memory leak detector"
 	depends on DEBUG_KERNEL && EXPERIMENTAL && !MEMORY_HOTPLUG && \
-		(X86 || ARM || PPC || S390 || SUPERH)
+		(X86 || ARM || PPC || S390 || SPARC64 || SUPERH || MICROBLAZE)
 
 	select DEBUG_FS if SYSFS
 	select STACKTRACE if STACKTRACE_SUPPORT
@@ -511,6 +512,18 @@ config PROVE_RCU
 
 	 Say N if you are unsure.
 
+config PROVE_RCU_REPEATEDLY
+	bool "RCU debugging: don't disable PROVE_RCU on first splat"
+	depends on PROVE_RCU
+	default n
+	help
+	 By itself, PROVE_RCU will disable checking upon issuing the
+	 first warning (or "splat").  This feature prevents such
+	 disabling, allowing multiple RCU-lockdep warnings to be printed
+	 on a single reboot.
+
+	 Say N if you are unsure.
+
 config LOCKDEP
 	bool
 	depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
@@ -532,6 +545,14 @@ config LOCK_STAT
 
 	 For more details, see Documentation/lockstat.txt
 
+	 This also enables lock events required by "perf lock",
+	 subcommand of perf.
+	 If you want to use "perf lock", you also need to turn on
+	 CONFIG_EVENT_TRACING.
+
+	 CONFIG_LOCK_STAT defines "contended" and "acquired" lock events.
+	 (CONFIG_LOCKDEP defines "acquire" and "release" events.)
+
 config DEBUG_LOCKDEP
 	bool "Lock dependency engine debugging"
 	depends on DEBUG_KERNEL && LOCKDEP
@@ -784,7 +805,7 @@ config RCU_CPU_STALL_DETECTOR
 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
+	default y
 	help
 	  This option causes RCU to printk detailed per-task information
 	  for any tasks that are stalling the current RCU grace period.
@@ -877,6 +898,18 @@ config LKDTM
 	Documentation on how to use the module can be found in
 	Documentation/fault-injection/provoke-crashes.txt
 
+config CPU_NOTIFIER_ERROR_INJECT
+	tristate "CPU notifier error injection module"
+	depends on HOTPLUG_CPU && DEBUG_KERNEL
+	help
+	  This option provides a kernel module that can be used to test
+	  the error handling of the cpu notifiers
+
+	  To compile this code as a module, choose M here: the module will
+	  be called cpu-notifier-error-inject.
+
+	  If unsure, say N.
+
 config FAULT_INJECTION
 	bool "Fault-injection framework"
 	depends on DEBUG_KERNEL
@@ -1018,10 +1051,10 @@ config DYNAMIC_DEBUG
 
 	  Usage:
 
-	  Dynamic debugging is controlled via the 'dynamic_debug/ddebug' file,
+	  Dynamic debugging is controlled via the 'dynamic_debug/control' file,
 	  which is contained in the 'debugfs' filesystem. Thus, the debugfs
 	  filesystem must first be mounted before making use of this feature.
-	  We refer the control file as: <debugfs>/dynamic_debug/ddebug. This
+	  We refer the control file as: <debugfs>/dynamic_debug/control. This
 	  file contains a list of the debug statements that can be enabled. The
 	  format for each line of the file is:
 
@@ -1036,7 +1069,7 @@ config DYNAMIC_DEBUG
 
 	  From a live system:
 
-		nullarbor:~ # cat <debugfs>/dynamic_debug/ddebug
+		nullarbor:~ # cat <debugfs>/dynamic_debug/control
 		# filename:lineno [module]function flags format
 		fs/aio.c:222 [aio]__put_ioctx - "__put_ioctx:\040freeing\040%p\012"
 		fs/aio.c:248 [aio]ioctx_alloc - "ENOMEM:\040nr_events\040too\040high\012"
@@ -1046,23 +1079,23 @@ config DYNAMIC_DEBUG
 
 		// enable the message at line 1603 of file svcsock.c
 		nullarbor:~ # echo -n 'file svcsock.c line 1603 +p' >
-						<debugfs>/dynamic_debug/ddebug
+						<debugfs>/dynamic_debug/control
 
 		// enable all the messages in file svcsock.c
 		nullarbor:~ # echo -n 'file svcsock.c +p' >
-						<debugfs>/dynamic_debug/ddebug
+						<debugfs>/dynamic_debug/control
 
 		// enable all the messages in the NFS server module
 		nullarbor:~ # echo -n 'module nfsd +p' >
-						<debugfs>/dynamic_debug/ddebug
+						<debugfs>/dynamic_debug/control
 
 		// enable all 12 messages in the function svc_process()
 		nullarbor:~ # echo -n 'func svc_process +p' >
-						<debugfs>/dynamic_debug/ddebug
+						<debugfs>/dynamic_debug/control
 
 		// disable all 12 messages in the function svc_process()
 		nullarbor:~ # echo -n 'func svc_process -p' >
-						<debugfs>/dynamic_debug/ddebug
+						<debugfs>/dynamic_debug/control
 
 	  See Documentation/dynamic-debug-howto.txt for additional information.
 
@@ -1077,6 +1110,13 @@ config DMA_API_DEBUG
 	  This option causes a performance degredation.  Use only if you want
 	  to debug device drivers. If unsure, say N.
 
+config ATOMIC64_SELFTEST
+	bool "Perform an atomic64_t self-test at boot"
+	help
+	  Enable this option to test the atomic64_t functions at boot.
+
+	  If unsure, say N.
+
 source "samples/Kconfig"
 
 source "lib/Kconfig.kgdb"