X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=arch%2FKconfig;h=e5eb1337a5377f5b131b2ba70efd8263b8057404;hb=e2b0a8e1e697dbcd62574a32f4f96151d21bdd36;hp=acb664397945f4345f477aa69d860de2ffc5b966;hpb=0f8f86c7bdd1c954fbe153af437a0d91a6c5721a;p=safe%2Fjmp%2Flinux-2.6

diff --git a/arch/Kconfig b/arch/Kconfig
index acb66439..e5eb133 100644
--- 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
@@ -128,6 +140,9 @@ config HAVE_DEFAULT_NO_SPIN_MUTEXES
 
 config HAVE_HW_BREAKPOINT
 	bool
+	depends on PERF_EVENTS
 
+config HAVE_USER_RETURN_NOTIFIER
+	bool
 
 source "kernel/gcov/Kconfig"