proc: warn on non-existing proc entries

[safe/jmp/linux-2.6] / arch / Kconfig

diff --git a/arch/Kconfig b/arch/Kconfig
index eef3bbb..e5eb133 100644 (file)
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -3,11 +3,9 @@
 #
 
 config OPROFILE
-       tristate "OProfile system profiling (EXPERIMENTAL)"
+       tristate "OProfile system profiling"
        depends on PROFILING
        depends on HAVE_OPROFILE
-       depends on TRACING_SUPPORT
-       select TRACING
        select RING_BUFFER
        select RING_BUFFER_ALLOW_SWAP
        help
@@ -17,20 +15,6 @@ config OPROFILE
 
          If unsure, say N.
 
-config OPROFILE_IBS
-       bool "OProfile AMD IBS support (EXPERIMENTAL)"
-       default n
-       depends on OPROFILE && SMP && X86
-       help
-          Instruction-Based Sampling (IBS) is a new profiling
-          technique that provides rich, precise program performance
-          information. IBS is introduced by AMD Family10h processors
-          (AMD Opteron Quad-Core processor "Barcelona") to overcome
-          the limitations of conventional performance counter
-          sampling.
-
-         If unsure, say N.
-
 config OPROFILE_EVENT_MULTIPLEX
        bool "OProfile multiplexing support (EXPERIMENTAL)"
        default n
@@ -57,6 +41,17 @@ config KPROBES
          for kernel debugging, non-intrusive instrumentation and testing.
          If in doubt, say "N".
 
+config OPTPROBES
+       bool "Kprobes jump optimization support (EXPERIMENTAL)"
+       default y
+       depends on KPROBES
+       depends on !PREEMPT
+       depends on HAVE_OPTPROBES
+       select KALLSYMS_ALL
+       help
+         This option will allow kprobes to optimize breakpoint to
+         a jump for reducing its overhead.
+
 config HAVE_EFFICIENT_UNALIGNED_ACCESS
        bool
        help
@@ -83,6 +78,13 @@ config KRETPROBES
        def_bool y
        depends on KPROBES && HAVE_KRETPROBES
 
+config USER_RETURN_NOTIFIER
+       bool
+       depends on HAVE_USER_RETURN_NOTIFIER
+       help
+         Provide a kernel-internal notification when a cpu is about to
+         switch to user mode.
+
 config HAVE_IOREMAP_PROT
        bool
 
@@ -92,6 +94,8 @@ config HAVE_KPROBES
 config HAVE_KRETPROBES
        bool
 
+config HAVE_OPTPROBES
+       bool
 #
 # An arch should select this if it provides all these things:
 #
@@ -114,6 +118,14 @@ config HAVE_DMA_ATTRS
 config USE_GENERIC_SMP_HELPERS
        bool
 
+config HAVE_REGS_AND_STACK_ACCESS_API
+       bool
+       help
+         This symbol should be selected by an architecure if it supports
+         the API needed to access registers and stack entries from pt_regs,
+         declared in asm/ptrace.h
+         For example the kprobes-based event tracer needs this API.
+
 config HAVE_CLK
        bool
        help
@@ -128,9 +140,9 @@ config HAVE_DEFAULT_NO_SPIN_MUTEXES
 
 config HAVE_HW_BREAKPOINT
        bool
-       depends on HAVE_PERF_EVENTS
-       select ANON_INODES
-       select PERF_EVENTS
+       depends on PERF_EVENTS
 
+config HAVE_USER_RETURN_NOTIFIER
+       bool
 
 source "kernel/gcov/Kconfig"