Merge ARM fixes

[linux-2.6] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 0701ddda1df8a48ea41e4456e2bce70943622be1..4448f91b865c10a48933a6a8d1c4ea645266b90c 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -77,6 +77,15 @@ config DEBUG_KERNEL
          Say Y here if you are developing drivers or trying to debug and
          identify kernel problems.
 
          Say Y here if you are developing drivers or trying to debug and
          identify kernel problems.
 

+config DEBUG_SHIRQ
+       bool "Debug shared IRQ handlers"
+       depends on DEBUG_KERNEL && GENERIC_HARDIRQS
+       help
+         Enable this to generate a spurious interrupt as soon as a shared
+         interrupt handler is registered, and just before one is deregistered.
+         Drivers ought to be able to handle interrupts coming in at those
+         points; some don't and need to be caught.
+

 config LOG_BUF_SHIFT
        int "Kernel log buffer size (16 => 64KB, 17 => 128KB)" if DEBUG_KERNEL
        range 12 21
 config LOG_BUF_SHIFT
        int "Kernel log buffer size (16 => 64KB, 17 => 128KB)" if DEBUG_KERNEL
        range 12 21


@@ -125,6 +134,17 @@ config SCHEDSTATS
          application, you can say N to avoid the very slight overhead
          this adds.
 
          application, you can say N to avoid the very slight overhead
          this adds.
 

+config TIMER_STATS
+       bool "Collect kernel timers statistics"
+       depends on DEBUG_KERNEL && PROC_FS
+       help
+         If you say Y here, additional code will be inserted into the
+         timer routines to collect statistics about kernel timers being
+         reprogrammed. The statistics can be read from /proc/timer_stats.
+         The statistics collection is started by writing 1 to /proc/timer_stats,
+         writing 0 stops it. This feature is useful to collect information
+         about timer usage patterns in kernel and userspace.
+

 config DEBUG_SLAB
        bool "Debug slab memory allocations"
        depends on DEBUG_KERNEL && SLAB
 config DEBUG_SLAB
        bool "Debug slab memory allocations"
        depends on DEBUG_KERNEL && SLAB


@@ -181,19 +201,11 @@ config DEBUG_MUTEXES
         This feature allows mutex semantics violations to be detected and
         reported.
 
         This feature allows mutex semantics violations to be detected and
         reported.
 

-config DEBUG_RWSEMS
-       bool "RW-sem debugging: basic checks"
-       depends on DEBUG_KERNEL
-       help
-        This feature allows read-write semaphore semantics violations to
-        be detected and reported.
-

 config DEBUG_LOCK_ALLOC
        bool "Lock debugging: detect incorrect freeing of live locks"
        depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
        select DEBUG_SPINLOCK
        select DEBUG_MUTEXES
 config DEBUG_LOCK_ALLOC
        bool "Lock debugging: detect incorrect freeing of live locks"
        depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
        select DEBUG_SPINLOCK
        select DEBUG_MUTEXES

-       select DEBUG_RWSEMS

        select LOCKDEP
        help
         This feature will check whether any held lock (spinlock, rwlock,
        select LOCKDEP
        help
         This feature will check whether any held lock (spinlock, rwlock,


@@ -209,7 +221,6 @@ config PROVE_LOCKING
        select LOCKDEP
        select DEBUG_SPINLOCK
        select DEBUG_MUTEXES
        select LOCKDEP
        select DEBUG_SPINLOCK
        select DEBUG_MUTEXES

-       select DEBUG_RWSEMS

        select DEBUG_LOCK_ALLOC
        default n
        help
        select DEBUG_LOCK_ALLOC
        default n
        help


@@ -354,24 +365,6 @@ config FRAME_POINTER
          some architectures or if you use external debuggers.
          If you don't debug the kernel, you can say N.
 
          some architectures or if you use external debuggers.
          If you don't debug the kernel, you can say N.
 

-config UNWIND_INFO
-       bool "Compile the kernel with frame unwind information"
-       depends on !IA64 && !PARISC && !ARM
-       depends on !MODULES || !(MIPS || PPC || SUPERH || V850)
-       help
-         If you say Y here the resulting kernel image will be slightly larger
-         but not slower, and it will give very useful debugging information.
-         If you don't debug the kernel, you can say N, but we may not be able
-         to solve problems without frame unwind information or frame pointers.
-
-config STACK_UNWIND
-       bool "Stack unwind support"
-       depends on UNWIND_INFO
-       depends on X86
-       help
-         This enables more precise stack traces, omitting all unrelated
-         occurrences of pointers into kernel code from the dump.
-

 config FORCED_INLINING
        bool "Force gcc to inline functions marked 'inline'"
        depends on DEBUG_KERNEL
 config FORCED_INLINING
        bool "Force gcc to inline functions marked 'inline'"
        depends on DEBUG_KERNEL


@@ -437,7 +430,7 @@ config FAIL_PAGE_ALLOC
          Provide fault-injection capability for alloc_pages().
 
 config FAIL_MAKE_REQUEST
          Provide fault-injection capability for alloc_pages().
 
 config FAIL_MAKE_REQUEST

-       bool "Fault-injection capabilitiy for disk IO"
+       bool "Fault-injection capability for disk IO"

        depends on FAULT_INJECTION
        help
          Provide fault-injection capability for disk IO.
        depends on FAULT_INJECTION
        help
          Provide fault-injection capability for disk IO.