Merge commit 'v2.6.35' into kbuild/kbuild

[pandora-kernel.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index d85be90..083b23d 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -628,6 +628,19 @@ config DEBUG_INFO
 
          If unsure, say N.
 
+config DEBUG_INFO_REDUCED
+       bool "Reduce debugging information"
+       depends on DEBUG_INFO
+       help
+         If you say Y here gcc is instructed to generate less debugging
+         information for structure types. This means that tools that
+         need full debugging information (like kgdb or systemtap) won't
+         be happy. But if you merely need debugging information to
+         resolve line numbers there is no loss. Advantage is that
+         build directory object sizes shrink dramatically over a full
+         DEBUG_INFO build and compile times are reduced too.
+         Only works with newer gcc versions.
+
 config DEBUG_VM
        bool "Debug VM"
        depends on DEBUG_KERNEL
@@ -898,6 +911,18 @@ 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
@@ -1039,10 +1064,10 @@ 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:
 
@@ -1057,7 +1082,7 @@ 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"
@@ -1067,23 +1092,23 @@ 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.