misc: Fix allocation 'borrowed' by vhost_net

[safe/jmp/linux-2.6] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 01f2d11..e722e9d 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -103,9 +103,10 @@ config HEADERS_CHECK
 
 config DEBUG_SECTION_MISMATCH
        bool "Enable full Section mismatch analysis"
 
 config DEBUG_SECTION_MISMATCH
        bool "Enable full Section mismatch analysis"

-       depends on UNDEFINED
+       depends on UNDEFINED || (BLACKFIN)
+       default y

        # This option is on purpose disabled for now.
        # This option is on purpose disabled for now.

-       # It will be enabled when we are down to a resonable number
+       # It will be enabled when we are down to a reasonable number

        # of section mismatch warnings (< 10 for an allyesconfig build)
        help
          The section mismatch analysis checks if there are illegal
        # of section mismatch warnings (< 10 for an allyesconfig build)
        help
          The section mismatch analysis checks if there are illegal


@@ -298,6 +299,14 @@ config DEBUG_OBJECTS_TIMERS
          timer routines to track the life time of timer objects and
          validate the timer operations.
 
          timer routines to track the life time of timer objects and
          validate the timer operations.
 

+config DEBUG_OBJECTS_WORK
+       bool "Debug work objects"
+       depends on DEBUG_OBJECTS
+       help
+         If you say Y here, additional code will be inserted into the
+         work queue routines to track the life time of work objects and
+         validate the work operations.
+

 config DEBUG_OBJECTS_ENABLE_DEFAULT
        int "debug_objects bootup default value (0-1)"
         range 0 1
 config DEBUG_OBJECTS_ENABLE_DEFAULT
        int "debug_objects bootup default value (0-1)"
         range 0 1


@@ -347,11 +356,12 @@ config SLUB_STATS
 config DEBUG_KMEMLEAK
        bool "Kernel memory leak detector"
        depends on DEBUG_KERNEL && EXPERIMENTAL && !MEMORY_HOTPLUG && \
 config DEBUG_KMEMLEAK
        bool "Kernel memory leak detector"
        depends on DEBUG_KERNEL && EXPERIMENTAL && !MEMORY_HOTPLUG && \

-               (X86 || ARM || PPC || S390)
+               (X86 || ARM || PPC || S390 || SPARC64 || SUPERH || MICROBLAZE)

 
        select DEBUG_FS if SYSFS
        select STACKTRACE if STACKTRACE_SUPPORT
        select KALLSYMS
 
        select DEBUG_FS if SYSFS
        select STACKTRACE if STACKTRACE_SUPPORT
        select KALLSYMS

+       select CRC32

        help
          Say Y here if you want to enable the memory leak
          detector. The memory allocation/freeing is traced in a way
        help
          Say Y here if you want to enable the memory leak
          detector. The memory allocation/freeing is traced in a way


@@ -490,6 +500,30 @@ config PROVE_LOCKING
 
         For more details, see Documentation/lockdep-design.txt.
 
 
         For more details, see Documentation/lockdep-design.txt.
 

+config PROVE_RCU
+       bool "RCU debugging: prove RCU correctness"
+       depends on PROVE_LOCKING
+       default n
+       help
+        This feature enables lockdep extensions that check for correct
+        use of RCU APIs.  This is currently under development.  Say Y
+        if you want to debug RCU usage or help work on the PROVE_RCU
+        feature.
+
+        Say N if you are unsure.
+
+config PROVE_RCU_REPEATEDLY
+       bool "RCU debugging: don't disable PROVE_RCU on first splat"
+       depends on PROVE_RCU
+       default n
+       help
+        By itself, PROVE_RCU will disable checking upon issuing the
+        first warning (or "splat").  This feature prevents such
+        disabling, allowing multiple RCU-lockdep warnings to be printed
+        on a single reboot.
+
+        Say N if you are unsure.
+

 config LOCKDEP
        bool
        depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
 config LOCKDEP
        bool
        depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT


@@ -511,6 +545,14 @@ config LOCK_STAT
 
         For more details, see Documentation/lockstat.txt
 
 
         For more details, see Documentation/lockstat.txt
 

+        This also enables lock events required by "perf lock",
+        subcommand of perf.
+        If you want to use "perf lock", you also need to turn on
+        CONFIG_EVENT_TRACING.
+
+        CONFIG_LOCK_STAT defines "contended" and "acquired" lock events.
+        (CONFIG_LOCKDEP defines "acquire" and "release" events.)
+

 config DEBUG_LOCKDEP
        bool "Lock dependency engine debugging"
        depends on DEBUG_KERNEL && LOCKDEP
 config DEBUG_LOCKDEP
        bool "Lock dependency engine debugging"
        depends on DEBUG_KERNEL && LOCKDEP


@@ -567,7 +609,7 @@ config DEBUG_BUGVERBOSE
        depends on BUG
        depends on ARM || AVR32 || M32R || M68K || SPARC32 || SPARC64 || \
                   FRV || SUPERH || GENERIC_BUG || BLACKFIN || MN10300
        depends on BUG
        depends on ARM || AVR32 || M32R || M68K || SPARC32 || SPARC64 || \
                   FRV || SUPERH || GENERIC_BUG || BLACKFIN || MN10300

-       default !EMBEDDED
+       default y

        help
          Say Y here to make BUG() panics output the file name and line number
          of the BUG call as well as the EIP and oops trace.  This aids
        help
          Say Y here to make BUG() panics output the file name and line number
          of the BUG call as well as the EIP and oops trace.  This aids


@@ -750,16 +792,28 @@ config RCU_TORTURE_TEST_RUNNABLE
 config RCU_CPU_STALL_DETECTOR
        bool "Check for stalled CPUs delaying RCU grace periods"
        depends on TREE_RCU || TREE_PREEMPT_RCU
 config RCU_CPU_STALL_DETECTOR
        bool "Check for stalled CPUs delaying RCU grace periods"
        depends on TREE_RCU || TREE_PREEMPT_RCU

-       default n
+       default y

        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.
 
        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 want to disable such checks.
+
+         Say Y if you are unsure.
+
+config RCU_CPU_STALL_VERBOSE
+       bool "Print additional per-task information for RCU_CPU_STALL_DETECTOR"
+       depends on RCU_CPU_STALL_DETECTOR && TREE_PREEMPT_RCU
+       default y
+       help
+         This option causes RCU to printk detailed per-task information
+         for any tasks that are stalling the current RCU grace period.

 
          Say N if you are unsure.
 
 
          Say N if you are unsure.
 

+         Say Y if you want to enable such checks.
+

 config KPROBES_SANITY_TEST
        bool "Kprobes sanity tests"
        depends on DEBUG_KERNEL
 config KPROBES_SANITY_TEST
        bool "Kprobes sanity tests"
        depends on DEBUG_KERNEL


@@ -831,8 +885,7 @@ config DEBUG_FORCE_WEAK_PER_CPU
 
 config LKDTM
        tristate "Linux Kernel Dump Test Tool Module"
 
 config LKDTM
        tristate "Linux Kernel Dump Test Tool Module"

-       depends on DEBUG_KERNEL
-       depends on KPROBES
+       depends on DEBUG_FS

        depends on BLOCK
        default n
        help
        depends on BLOCK
        default n
        help


@@ -843,7 +896,19 @@ config LKDTM
        called lkdtm.
 
        Documentation on how to use the module can be found in
        called lkdtm.
 
        Documentation on how to use the module can be found in

-       drivers/misc/lkdtm.c
+       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"
 
 config FAULT_INJECTION
        bool "Fault-injection framework"


@@ -986,10 +1051,10 @@ config DYNAMIC_DEBUG
 
          Usage:
 
 
          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.
          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:
 
          file contains a list of the debug statements that can be enabled. The
          format for each line of the file is:
 


@@ -1004,7 +1069,7 @@ config DYNAMIC_DEBUG
 
          From a live system:
 
 
          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"
                # 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"


@@ -1014,23 +1079,23 @@ config DYNAMIC_DEBUG
 
                // enable the message at line 1603 of file svcsock.c
                nullarbor:~ # echo -n 'file svcsock.c line 1603 +p' >
 
                // 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' >
 
                // 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' >
 
                // 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' >
 
                // 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' >
 
                // 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.
 
 
          See Documentation/dynamic-debug-howto.txt for additional information.
 


@@ -1045,6 +1110,13 @@ config DMA_API_DEBUG
          This option causes a performance degredation.  Use only if you want
          to debug device drivers. If unsure, say N.
 
          This option causes a performance degredation.  Use only if you want
          to debug device drivers. If unsure, say N.
 

+config ATOMIC64_SELFTEST
+       bool "Perform an atomic64_t self-test at boot"
+       help
+         Enable this option to test the atomic64_t functions at boot.
+
+         If unsure, say N.
+

 source "samples/Kconfig"
 
 source "lib/Kconfig.kgdb"
 source "samples/Kconfig"
 
 source "lib/Kconfig.kgdb"