x86, atomic64: In selftest, distinguish x86-64 from 586+

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

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index fbb87cf..3676c51 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -50,6 +50,14 @@ config MAGIC_SYSRQ
          keys are documented in <file:Documentation/sysrq.txt>. Don't say Y
          unless you really know what this hack does.
 
          keys are documented in <file:Documentation/sysrq.txt>. Don't say Y
          unless you really know what this hack does.
 

+config STRIP_ASM_SYMS
+       bool "Strip assembler-generated symbols during link"
+       default n
+       help
+         Strip internal assembler-generated symbols during a link (symbols
+         that look like '.Lxxx') so they don't pollute the output of
+         get_wchan() and suchlike.
+

 config UNUSED_SYMBOLS
        bool "Enable unused/obsolete exported symbols"
        default y if X86
 config UNUSED_SYMBOLS
        bool "Enable unused/obsolete exported symbols"
        default y if X86


@@ -97,7 +105,7 @@ config DEBUG_SECTION_MISMATCH
        bool "Enable full Section mismatch analysis"
        depends on UNDEFINED
        # This option is on purpose disabled for now.
        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
+       # 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


@@ -290,6 +298,14 @@ 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


@@ -338,11 +354,13 @@ config SLUB_STATS
 
 config DEBUG_KMEMLEAK
        bool "Kernel memory leak detector"
 
 config DEBUG_KMEMLEAK
        bool "Kernel memory leak detector"

-       depends on DEBUG_KERNEL && EXPERIMENTAL && (X86 || ARM) && \
-               !MEMORY_HOTPLUG
+       depends on DEBUG_KERNEL && EXPERIMENTAL && !MEMORY_HOTPLUG && \
+               (X86 || ARM || PPC || S390)
+

        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


@@ -362,7 +380,7 @@ config DEBUG_KMEMLEAK
 config DEBUG_KMEMLEAK_EARLY_LOG_SIZE
        int "Maximum kmemleak early log entries"
        depends on DEBUG_KMEMLEAK
 config DEBUG_KMEMLEAK_EARLY_LOG_SIZE
        int "Maximum kmemleak early log entries"
        depends on DEBUG_KMEMLEAK

-       range 200 2000
+       range 200 40000

        default 400
        help
          Kmemleak must track all the memory allocations to avoid
        default 400
        help
          Kmemleak must track all the memory allocations to avoid


@@ -383,7 +401,7 @@ config DEBUG_KMEMLEAK_TEST
 
 config DEBUG_PREEMPT
        bool "Debug preemptible kernel"
 
 config DEBUG_PREEMPT
        bool "Debug preemptible kernel"

-       depends on DEBUG_KERNEL && PREEMPT && (TRACE_IRQFLAGS_SUPPORT || PPC64)
+       depends on DEBUG_KERNEL && PREEMPT && TRACE_IRQFLAGS_SUPPORT

        default y
        help
          If you say Y here then the kernel will use a debug variant of the
        default y
        help
          If you say Y here then the kernel will use a debug variant of the


@@ -558,7 +576,7 @@ 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


@@ -740,8 +758,8 @@ config RCU_TORTURE_TEST_RUNNABLE
 
 config RCU_CPU_STALL_DETECTOR
        bool "Check for stalled CPUs delaying RCU grace periods"
 
 config RCU_CPU_STALL_DETECTOR
        bool "Check for stalled CPUs delaying RCU grace periods"

-       depends on CLASSIC_RCU || TREE_RCU
-       default n
+       depends on TREE_RCU || TREE_PREEMPT_RCU
+       default y

        help
          This option causes RCU to printk information on which
          CPUs are delaying the current grace period, but only when
        help
          This option causes RCU to printk information on which
          CPUs are delaying the current grace period, but only when


@@ -805,6 +823,21 @@ config DEBUG_BLOCK_EXT_DEVT
 
          Say N if you are unsure.
 
 
          Say N if you are unsure.
 

+config DEBUG_FORCE_WEAK_PER_CPU
+       bool "Force weak per-cpu definitions"
+       depends on DEBUG_KERNEL
+       help
+         s390 and alpha require percpu variables in modules to be
+         defined weak to work around addressing range issue which
+         puts the following two restrictions on percpu variable
+         definitions.
+
+         1. percpu symbols must be unique whether static or not
+         2. percpu variables can't be defined inside a function
+
+         To ensure that generic code follows the above rules, this
+         option forces all percpu variables to be defined as weak.
+

 config LKDTM
        tristate "Linux Kernel Dump Test Tool Module"
        depends on DEBUG_KERNEL
 config LKDTM
        tristate "Linux Kernel Dump Test Tool Module"
        depends on DEBUG_KERNEL


@@ -888,7 +921,7 @@ config LATENCYTOP
 
 config SYSCTL_SYSCALL_CHECK
        bool "Sysctl checks"
 
 config SYSCTL_SYSCALL_CHECK
        bool "Sysctl checks"

-       depends on SYSCTL_SYSCALL
+       depends on SYSCTL

        ---help---
          sys_sysctl uses binary paths that have been found challenging
          to properly maintain and use. This enables checks that help
        ---help---
          sys_sysctl uses binary paths that have been found challenging
          to properly maintain and use. This enables checks that help


@@ -1021,6 +1054,13 @@ 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"