X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;ds=inline;f=lib%2FKconfig.debug;h=29044f500269c3b9ad9b834adc21a77557ac897b;hb=c8a1a8985d705339a346203f26d2d6ff137f84c9;hp=2e75478e9c696bc6933ca8952c0a013dd30eb78a;hpb=ec9f168fcc344d2ffec1c8c822076bf22dab5c33;p=linux-2.6-omap-h63xx.git

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 2e75478e9c6..29044f50026 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -512,6 +512,13 @@ config DEBUG_VIRTUAL
 
 	  If unsure, say N.
 
+config DEBUG_NOMMU_REGIONS
+	bool "Debug the global anon/private NOMMU mapping region tree"
+	depends on DEBUG_KERNEL && !MMU
+	help
+	  This option causes the global tree of anonymous and private mapping
+	  regions to be regularly checked for invalid topology.
+
 config DEBUG_WRITECOUNT
 	bool "Debug filesystem writers count"
 	depends on DEBUG_KERNEL
@@ -563,17 +570,26 @@ config DEBUG_NOTIFIERS
 	  This is a relatively cheap check but if you care about maximum
 	  performance, say N.
 
+#
+# Select this config option from the architecture Kconfig, if it
+# it is preferred to always offer frame pointers as a config
+# option on the architecture (regardless of KERNEL_DEBUG):
+#
+config ARCH_WANT_FRAME_POINTERS
+	bool
+	help
+
 config FRAME_POINTER
 	bool "Compile the kernel with frame pointers"
 	depends on DEBUG_KERNEL && \
-		(X86 || CRIS || M68K || M68KNOMMU || FRV || UML || S390 || \
-		 AVR32 || SUPERH || BLACKFIN || MN10300)
-	default y if DEBUG_INFO && UML
+		(CRIS || M68K || M68KNOMMU || FRV || UML || S390 || \
+		 AVR32 || SUPERH || BLACKFIN || MN10300) || \
+		ARCH_WANT_FRAME_POINTERS
+	default y if (DEBUG_INFO && UML) || ARCH_WANT_FRAME_POINTERS
 	help
-	  If you say Y here the resulting kernel image will be slightly larger
-	  and slower, but it might give very useful debugging information on
-	  some architectures or if you use external debuggers.
-	  If you don't debug the kernel, you can say N.
+	  If you say Y here the resulting kernel image will be slightly
+	  larger and slower, but it gives very useful debugging information
+	  in case of kernel bugs. (precise oopses/stacktraces/warnings)
 
 config BOOT_PRINTK_DELAY
 	bool "Delay each boot printk message by N milliseconds"
@@ -624,19 +640,6 @@ config RCU_TORTURE_TEST_RUNNABLE
 	  Say N here if you want the RCU torture tests to start only
 	  after being manually enabled via /proc.
 
-config RCU_CPU_STALL_DETECTOR
-	bool "Check for stalled CPUs delaying RCU grace periods"
-	depends on CLASSIC_RCU
-	default n
-	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 are unsure.
-
 config RCU_CPU_STALL_DETECTOR
 	bool "Check for stalled CPUs delaying RCU grace periods"
 	depends on CLASSIC_RCU || TREE_RCU