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Subject[patch 4/9] Conditional Calls - Add kconfig menus
Conditional calls provide a way to compile in kernels features that can be
enabled dynamically, with a very small footprint when disabled.

This patch:

Add Kconfig menus for the marker code.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
CC: Adrian Bunk <bunk@stusta.de>
CC: Andi Kleen <andi@firstfloor.org>
---
arch/alpha/Kconfig | 6 ++++++
arch/arm/Kconfig | 6 ++++++
arch/arm26/Kconfig | 6 ++++++
arch/avr32/Kconfig.debug | 7 +++++++
arch/cris/Kconfig | 6 ++++++
arch/frv/Kconfig | 6 ++++++
arch/h8300/Kconfig | 6 ++++++
arch/i386/Kconfig | 3 +++
arch/ia64/Kconfig | 3 +++
arch/m32r/Kconfig | 6 ++++++
arch/m68k/Kconfig | 6 ++++++
arch/m68knommu/Kconfig | 6 ++++++
arch/mips/Kconfig | 6 ++++++
arch/parisc/Kconfig | 6 ++++++
arch/powerpc/Kconfig | 3 +++
arch/ppc/Kconfig | 6 ++++++
arch/s390/Kconfig | 2 ++
arch/sh/Kconfig | 6 ++++++
arch/sh64/Kconfig | 6 ++++++
arch/sparc/Kconfig | 2 ++
arch/sparc64/Kconfig | 3 +++
arch/um/Kconfig | 6 ++++++
arch/v850/Kconfig | 6 ++++++
arch/x86_64/Kconfig | 3 +++
arch/xtensa/Kconfig | 6 ++++++
kernel/Kconfig.condcall | 20 ++++++++++++++++++++
26 files changed, 148 insertions(+)
Index: linux-2.6-lttng/arch/alpha/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/alpha/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/alpha/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -642,6 +642,12 @@

source "arch/alpha/oprofile/Kconfig"

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/alpha/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/arch/arm/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/arm/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/arm/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -1025,6 +1025,12 @@

source "arch/arm/oprofile/Kconfig"

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/arm/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/arch/arm26/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/arm26/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/arm26/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -241,6 +241,12 @@

source "drivers/usb/Kconfig"

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/arm26/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/arch/cris/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/cris/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/cris/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -198,6 +198,12 @@

source "drivers/usb/Kconfig"

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/cris/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/arch/frv/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/frv/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/frv/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -385,6 +385,12 @@

source "fs/Kconfig"

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/frv/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/arch/h8300/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/h8300/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/h8300/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -220,6 +220,12 @@

source "fs/Kconfig"

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/h8300/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/arch/i386/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/i386/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/i386/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -1229,6 +1229,9 @@
a probepoint and specifies the callback. Kprobes is useful
for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".
+
+source "kernel/Kconfig.condcall"
+
endmenu

source "arch/i386/Kconfig.debug"
Index: linux-2.6-lttng/arch/ia64/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/ia64/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/ia64/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -591,6 +591,9 @@
a probepoint and specifies the callback. Kprobes is useful
for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".
+
+source "kernel/Kconfig.condcall"
+
endmenu

source "arch/ia64/Kconfig.debug"
Index: linux-2.6-lttng/arch/m32r/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/m32r/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/m32r/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -401,6 +401,12 @@

source "arch/m32r/oprofile/Kconfig"

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/m32r/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/arch/m68k/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/m68k/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/m68k/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -670,6 +670,12 @@

source "fs/Kconfig"

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/m68k/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/arch/m68knommu/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/m68knommu/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/m68knommu/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -676,6 +676,12 @@

source "fs/Kconfig"

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/m68knommu/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/arch/mips/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/mips/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/mips/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -2150,6 +2150,12 @@

source "arch/mips/oprofile/Kconfig"

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/mips/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/arch/parisc/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/parisc/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/parisc/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -269,6 +269,12 @@

source "arch/parisc/oprofile/Kconfig"

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/parisc/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/arch/powerpc/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/powerpc/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/powerpc/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -902,6 +902,9 @@
a probepoint and specifies the callback. Kprobes is useful
for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".
+
+source "kernel/Kconfig.condcall"
+
endmenu

source "arch/powerpc/Kconfig.debug"
Index: linux-2.6-lttng/arch/ppc/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/ppc/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/ppc/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -1453,8 +1453,14 @@

source "lib/Kconfig"

+menu "Instrumentation Support"
+
source "arch/powerpc/oprofile/Kconfig"

+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/ppc/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/arch/s390/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/s390/Kconfig 2007-05-17 02:12:37.000000000 -0400
+++ linux-2.6-lttng/arch/s390/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -569,6 +569,8 @@

source "lib/Kconfig.statistic"

+source "kernel/Kconfig.condcall"
+
endmenu

source "arch/s390/Kconfig.debug"
Index: linux-2.6-lttng/arch/sh/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/sh/Kconfig 2007-05-17 02:12:23.000000000 -0400
+++ linux-2.6-lttng/arch/sh/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -738,6 +738,12 @@

source "arch/sh/oprofile/Kconfig"

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/sh/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/arch/sh64/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/sh64/Kconfig 2007-05-17 02:12:24.000000000 -0400
+++ linux-2.6-lttng/arch/sh64/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -281,6 +281,12 @@

source "arch/sh64/oprofile/Kconfig"

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/sh64/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/arch/sparc/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/sparc/Kconfig 2007-05-17 02:12:24.000000000 -0400
+++ linux-2.6-lttng/arch/sparc/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -306,6 +306,8 @@

source "arch/sparc/oprofile/Kconfig"

+source "kernel/Kconfig.condcall"
+
endmenu

source "arch/sparc/Kconfig.debug"
Index: linux-2.6-lttng/arch/sparc64/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/sparc64/Kconfig 2007-05-17 02:12:24.000000000 -0400
+++ linux-2.6-lttng/arch/sparc64/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -444,6 +444,9 @@
a probepoint and specifies the callback. Kprobes is useful
for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".
+
+source "kernel/Kconfig.condcall"
+
endmenu

source "arch/sparc64/Kconfig.debug"
Index: linux-2.6-lttng/arch/um/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/um/Kconfig 2007-05-17 02:12:24.000000000 -0400
+++ linux-2.6-lttng/arch/um/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -333,4 +333,10 @@
bool
default n

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/um/Kconfig.debug"
Index: linux-2.6-lttng/arch/v850/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/v850/Kconfig 2007-05-17 02:12:24.000000000 -0400
+++ linux-2.6-lttng/arch/v850/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -339,6 +339,12 @@

source "drivers/usb/Kconfig"

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/v850/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/arch/x86_64/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/x86_64/Kconfig 2007-05-17 02:12:24.000000000 -0400
+++ linux-2.6-lttng/arch/x86_64/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -790,6 +790,9 @@
a probepoint and specifies the callback. Kprobes is useful
for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".
+
+source "kernel/Kconfig.condcall"
+
endmenu

source "arch/x86_64/Kconfig.debug"
Index: linux-2.6-lttng/arch/xtensa/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/xtensa/Kconfig 2007-05-17 02:12:24.000000000 -0400
+++ linux-2.6-lttng/arch/xtensa/Kconfig 2007-05-17 02:13:28.000000000 -0400
@@ -251,6 +251,12 @@
provide one yourself.
endmenu

+menu "Instrumentation Support"
+
+source "kernel/Kconfig.condcall"
+
+endmenu
+
source "arch/xtensa/Kconfig.debug"

source "security/Kconfig"
Index: linux-2.6-lttng/kernel/Kconfig.condcall
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6-lttng/kernel/Kconfig.condcall 2007-05-17 02:12:41.000000000 -0400
@@ -0,0 +1,20 @@
+# Code markers configuration
+
+config COND_CALL
+ bool "Activate conditional calls"
+ depends on MODULES
+ help
+ Provides a way to dynamically enable kernel features while having a
+ very small footprint when disabled.
+
+config COND_CALL_DISABLE_OPTIMIZATION
+ bool "Disable conditional calls optimization"
+ depends on COND_CALL && EMBEDDED
+ default n
+ help
+ Disable code replacement jump optimisations. Especially useful if your
+ code is in a read-only rom/flash.
+
+config COND_CALL_ENABLE_OPTIMIZATION
+ def_bool y
+ depends on COND_CALL && !COND_CALL_DISABLE_OPTIMIZATION
Index: linux-2.6-lttng/arch/avr32/Kconfig.debug
===================================================================
--- linux-2.6-lttng.orig/arch/avr32/Kconfig.debug 2007-05-17 02:12:24.000000000 -0400
+++ linux-2.6-lttng/arch/avr32/Kconfig.debug 2007-05-17 02:13:28.000000000 -0400
@@ -6,6 +6,9 @@

source "lib/Kconfig.debug"

+menu "Instrumentation Support"
+ depends on EXPERIMENTAL
+
config KPROBES
bool "Kprobes"
depends on DEBUG_KERNEL
@@ -17,4 +20,8 @@
for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".

+source "kernel/Kconfig.condcall"
+
+endmenu
+
endmenu
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
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