X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2FKconfig.debug;h=95de3102bc87c61afe3289b117ffc16099a8df16;hb=eddeb0e2d863e3941d8768e70cb50c6120e61fa0;hp=0d385be682db021dccc6482f385d8bb6f30fa75e;hpb=1f7d4f8395093021ed2262296179cfe71bd5e2ec;p=linux-2.6

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 0d385be682..95de3102bc 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -82,6 +82,9 @@ config HEADERS_CHECK
 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
+	# of section mismatch warnings (< 10 for an allyesconfig build)
 	help
 	  The section mismatch analysis checks if there are illegal
 	  references from one section to another section.
@@ -205,6 +208,19 @@ config SLUB_DEBUG_ON
 	  off in a kernel built with CONFIG_SLUB_DEBUG_ON by specifying
 	  "slub_debug=-".
 
+config SLUB_STATS
+	default n
+	bool "Enable SLUB performance statistics"
+	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
+	  enabled for production use since keeping statistics slows down
+	  the allocator by a few percentage points. The slabinfo command
+	  supports the determination of the most active slabs to figure
+	  out which slabs are relevant to a particular load.
+	  Try running: slabinfo -DA
+
 config DEBUG_PREEMPT
 	bool "Debug preemptible kernel"
 	depends on DEBUG_KERNEL && PREEMPT && (TRACE_IRQFLAGS_SUPPORT || PPC64)
@@ -249,16 +265,6 @@ 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
@@ -391,7 +397,8 @@ config DEBUG_HIGHMEM
 config DEBUG_BUGVERBOSE
 	bool "Verbose BUG() reporting (adds 70K)" if DEBUG_KERNEL && EMBEDDED
 	depends on BUG
-	depends on ARM || AVR32 || M32R || M68K || SPARC32 || SPARC64 || FRV || SUPERH || GENERIC_BUG || BLACKFIN
+	depends on ARM || AVR32 || M32R || M68K || SPARC32 || SPARC64 || \
+		   FRV || SUPERH || GENERIC_BUG || BLACKFIN || MN10300
 	default !EMBEDDED
 	help
 	  Say Y here to make BUG() panics output the file name and line number
@@ -441,7 +448,9 @@ config DEBUG_SG
 
 config FRAME_POINTER
 	bool "Compile the kernel with frame pointers"
-	depends on DEBUG_KERNEL && (X86 || CRIS || M68K || M68KNOMMU || FRV || UML || S390 || AVR32 || SUPERH || BLACKFIN)
+	depends on DEBUG_KERNEL && \
+		(X86 || CRIS || M68K || M68KNOMMU || FRV || UML || S390 || \
+		 AVR32 || SUPERH || BLACKFIN || MN10300)
 	default y if DEBUG_INFO && UML
 	help
 	  If you say Y here the resulting kernel image will be slightly larger
@@ -449,20 +458,6 @@ config FRAME_POINTER
 	  some architectures or if you use external debuggers.
 	  If you don't debug the kernel, you can say N.
 
-config FORCED_INLINING
-	bool "Force gcc to inline functions marked 'inline'"
-	depends on DEBUG_KERNEL
-	default y
-	help
-	  This option determines if the kernel forces gcc to inline the functions
-	  developers have marked 'inline'. Doing so takes away freedom from gcc to
-	  do what it thinks is best, which is desirable for the gcc 3.x series of
-	  compilers. The gcc 4.x series have a rewritten inlining algorithm and
-	  disabling this option will generate a smaller kernel there. Hopefully
-	  this algorithm is so good that allowing gcc4 to make the decision can
-	  become the default in the future, until then this option is there to
-	  test gcc for this.
-
 config BOOT_PRINTK_DELAY
 	bool "Delay each boot printk message by N milliseconds"
 	depends on DEBUG_KERNEL && PRINTK && GENERIC_CALIBRATE_DELAY
@@ -522,6 +517,7 @@ config LKDTM
 	tristate "Linux Kernel Dump Test Tool Module"
 	depends on DEBUG_KERNEL
 	depends on KPROBES
+	depends on BLOCK
 	default n
 	help
 	This module enables testing of the different dumping mechanisms by
@@ -587,7 +583,7 @@ config LATENCYTOP
 	  to find out which userspace is blocking on what kernel operations.
 
 config PROVIDE_OHCI1394_DMA_INIT
-	bool "Provide code for enabling DMA over FireWire early on boot"
+	bool "Remote debugging over FireWire early on boot"
 	depends on PCI && X86
 	help
 	  If you want to debug problems which hang or crash the kernel early
@@ -615,4 +611,17 @@ config PROVIDE_OHCI1394_DMA_INIT
 
 	  See Documentation/debugging-via-ohci1394.txt for more information.
 
+config FIREWIRE_OHCI_REMOTE_DMA
+	bool "Remote debugging over FireWire with firewire-ohci"
+	depends on FIREWIRE_OHCI
+	help
+	  This option lets you use the FireWire bus for remote debugging
+	  with help of the firewire-ohci driver. It enables unfiltered
+	  remote DMA in firewire-ohci.
+	  See Documentation/debugging-via-ohci1394.txt for more information.
+
+	  If unsure, say N.
+
 source "samples/Kconfig"
+
+source "lib/Kconfig.kgdb"