X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=lib%2FKconfig.debug;h=0796c1a090c029db5d038020ae52684ee423c2e3;hb=2c7871982cf27caaddbaeb7e2121ce1374b520ff;hp=0d8a5a4a789d868100762420d0647f50f27c72fc;hpb=cbb51afa6d69be003cc827a89e023906885f241e;p=mv-sheeva.git

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 0d8a5a4a789..0796c1a090c 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -81,7 +81,10 @@ config HEADERS_CHECK
 
 config DEBUG_SECTION_MISMATCH
 	bool "Enable full Section mismatch analysis"
-	default n
+	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.
@@ -90,19 +93,19 @@ config DEBUG_SECTION_MISMATCH
 	  most likely result in an oops.
 	  In the code functions and variables are annotated with
 	  __init, __devinit etc. (see full list in include/linux/init.h)
-	  which result in the code/data being placed in specific sections.
-	  The section mismatch anaylsis are always done after a full
-	  kernel build but enabling this options will in addition
+	  which results in the code/data being placed in specific sections.
+	  The section mismatch analysis is always done after a full
+	  kernel build but enabling this option will in addition
 	  do the following:
 	  - Add the option -fno-inline-functions-called-once to gcc
 	    When inlining a function annotated __init in a non-init
-	    function we would loose the section information and thus
+	    function we would lose the section information and thus
 	    the analysis would not catch the illegal reference.
-	    This options tell gcc to inline less but will also
+	    This option tells gcc to inline less but will also
 	    result in a larger kernel.
 	  - Run the section mismatch analysis for each module/built-in.o
 	    When we run the section mismatch analysis on vmlinux.o we
-	    looses valueable information about where the mismatch was
+	    lose valueble information about where the mismatch was
 	    introduced.
 	    Running the analysis for each module/built-in.o file
 	    will tell where the mismatch happens much closer to the
@@ -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
+	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)
@@ -391,7 +407,8 @@ 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 +458,9 @@ 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 +468,6 @@ 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 +527,7 @@ 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