X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2FKconfig.debug;h=d2099f41aa1ebe46bc614c7187290f7a32dd941c;hb=ffd8211fb18e1052b2d9eded629cc3c0b872d06a;hp=78955eb6bd943646df857c23db032d3ecb222aa2;hpb=080de8c2c57e3199eee837fe8b6d35a43679f8c1;p=linux-2.6

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 78955eb6bd..d2099f41aa 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -25,6 +25,17 @@ config ENABLE_MUST_CHECK
 	  suppress the "warning: ignoring return value of 'foo', declared with
 	  attribute warn_unused_result" messages.
 
+config FRAME_WARN
+	int "Warn for stack frames larger than (needs gcc 4.4)"
+	range 0 8192
+	default 1024 if !64BIT
+	default 2048 if 64BIT
+	help
+	  Tell gcc to warn at build time for stack frames larger than this.
+	  Setting this too low will cause a lot of warnings.
+	  Setting it to 0 disables the warning.
+	  Requires gcc 4.4
+
 config MAGIC_SYSRQ
 	bool "Magic SysRq key"
 	depends on !UML
@@ -183,6 +194,37 @@ config TIMER_STATS
 	  (it defaults to deactivated on bootup and will only be activated
 	  if some application like powertop activates it explicitly).
 
+config DEBUG_OBJECTS
+	bool "Debug object operations"
+	depends on DEBUG_KERNEL
+	help
+	  If you say Y here, additional code will be inserted into the
+	  kernel to track the life time of various objects and validate
+	  the operations on those objects.
+
+config DEBUG_OBJECTS_SELFTEST
+	bool "Debug objects selftest"
+	depends on DEBUG_OBJECTS
+	help
+	  This enables the selftest of the object debug code.
+
+config DEBUG_OBJECTS_FREE
+	bool "Debug objects in freed memory"
+	depends on DEBUG_OBJECTS
+	help
+	  This enables checks whether a k/v free operation frees an area
+	  which contains an object which has not been deactivated
+	  properly. This can make kmalloc/kfree-intensive workloads
+	  much slower.
+
+config DEBUG_OBJECTS_TIMERS
+	bool "Debug timer objects"
+	depends on DEBUG_OBJECTS
+	help
+	  If you say Y here, additional code will be inserted into the
+	  timer routines to track the life time of timer objects and
+	  validate the timer operations.
+
 config DEBUG_SLAB
 	bool "Debug slab memory allocations"
 	depends on DEBUG_KERNEL && SLAB
@@ -211,7 +253,7 @@ config SLUB_DEBUG_ON
 config SLUB_STATS
 	default n
 	bool "Enable SLUB performance statistics"
-	depends on SLUB
+	depends on SLUB && SLUB_DEBUG && SYSFS
 	help
 	  SLUB statistics are useful to debug SLUBs allocation behavior in
 	  order find ways to optimize the allocator. This should never be
@@ -265,16 +307,6 @@ config DEBUG_MUTEXES
 	 This feature allows mutex semantics violations to be detected and
 	 reported.
 
-config DEBUG_SEMAPHORE
-	bool "Semaphore debugging"
-	depends on DEBUG_KERNEL
-	depends on ALPHA || FRV
-	default n
-	help
-	  If you say Y here then semaphore processing will issue lots of
-	  verbose debugging messages.  If you suspect a semaphore problem or a
-	  kernel hacker asks for this option then say Y.  Otherwise say N.
-
 config DEBUG_LOCK_ALLOC
 	bool "Lock debugging: detect incorrect freeing of live locks"
 	depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
@@ -437,6 +469,16 @@ config DEBUG_VM
 
 	  If unsure, say N.
 
+config DEBUG_WRITECOUNT
+	bool "Debug filesystem writers count"
+	depends on DEBUG_KERNEL
+	help
+	  Enable this to catch wrong use of the writers count in struct
+	  vfsmount.  This will increase the size of each file struct by
+	  32 bits.
+
+	  If unsure, say N.
+
 config DEBUG_LIST
 	bool "Debug linked list manipulation"
 	depends on DEBUG_KERNEL
@@ -633,3 +675,5 @@ config FIREWIRE_OHCI_REMOTE_DMA
 	  If unsure, say N.
 
 source "samples/Kconfig"
+
+source "lib/Kconfig.kgdb"