Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index e2cd7fbf31c05cf6e6bed6a54781e2ad1c99c70b..ff87ddc4cbd55309e48eb0114b231f4a6b8df7c7 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -312,6 +312,12 @@ config DEBUG_OBJECTS_WORK
          work queue routines to track the life time of work objects and
          validate the work operations.
 
+config DEBUG_OBJECTS_RCU_HEAD
+       bool "Debug RCU callbacks objects"
+       depends on DEBUG_OBJECTS && PREEMPT
+       help
+         Enable this to turn on debugging of RCU list heads (call_rcu() usage).
+
 config DEBUG_OBJECTS_ENABLE_DEFAULT
        int "debug_objects bootup default value (0-1)"
         range 0 1
@@ -533,7 +539,7 @@ config LOCKDEP
        bool
        depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
        select STACKTRACE
-       select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390
+       select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390 && !MICROBLAZE
        select KALLSYMS
        select KALLSYMS_ALL
 
@@ -633,6 +639,19 @@ 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
@@ -942,7 +961,7 @@ config FAIL_MAKE_REQUEST
          Provide fault-injection capability for disk IO.
 
 config FAIL_IO_TIMEOUT
-       bool "Faul-injection capability for faking disk interrupts"
+       bool "Fault-injection capability for faking disk interrupts"
        depends on FAULT_INJECTION && BLOCK
        help
          Provide fault-injection capability on end IO handling. This
@@ -963,13 +982,13 @@ config FAULT_INJECTION_STACKTRACE_FILTER
        depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT
        depends on !X86_64
        select STACKTRACE
-       select FRAME_POINTER if !PPC && !S390
+       select FRAME_POINTER if !PPC && !S390 && !MICROBLAZE
        help
          Provide stacktrace filter for fault-injection capabilities
 
 config LATENCYTOP
        bool "Latency measuring infrastructure"
-       select FRAME_POINTER if !MIPS && !PPC && !S390
+       select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE
        select KALLSYMS
        select KALLSYMS_ALL
        select STACKTRACE