Various typo fixes.

[~andy/linux] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 5c2681875b9ac31b1a363c63d909120cbc82b930..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.
 
+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
@@ -125,6 +134,17 @@ config SCHEDSTATS
          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
@@ -181,19 +201,11 @@ config DEBUG_MUTEXES
         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
-       select DEBUG_RWSEMS
        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 DEBUG_RWSEMS
        select DEBUG_LOCK_ALLOC
        default n
        help