The patch titled
Add ARCH_SUPPORTS_KPROBES
has been added to the -mm tree. Its filename is
add-arch_supports_kprobes.patch
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See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
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------------------------------------------------------
Subject: Add ARCH_SUPPORTS_KPROBES
From: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
Linus:
On the per-architecture side, I do think it would be better to *not* have
internal architecture knowledge in a generic file, and as such a line like
depends on X86_32 || IA64 || PPC || S390 || SPARC64 || X86_64 || AVR32
really shouldn't exist in a file like kernel/Kconfig.instrumentation.
It would be much better to do
depends on ARCH_SUPPORTS_KPROBES
in that generic file, and then architectures that do support it would just
have a
bool ARCH_SUPPORTS_KPROBES
default y
in *their* architecture files. That would seem to be much more logical,
and is readable both for arch maintainers *and* for people who have no
clue - and don't care - about which architecture is supposed to support
which interface...
Changelog:
Actually, I know I gave this as the magic incantation, but now that I see
it, I realize that I should have told you to just use
config KPROBES_SUPPORT
def_bool y
instead, which is a bit denser.
We seem to use both kinds of syntax for these things, but this is really
what "def_bool" is there for...
- Use ARCH_HAS_KPROBES
- Use a select
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxx>
Cc: <linux-arch@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/avr32/Kconfig | 1 +
arch/ia64/Kconfig | 1 +
arch/powerpc/Kconfig | 1 +
arch/ppc/Kconfig | 1 +
arch/s390/Kconfig | 1 +
arch/sparc64/Kconfig | 1 +
arch/x86/Kconfig | 1 +
kernel/Kconfig.instrumentation | 5 ++++-
8 files changed, 11 insertions(+), 1 deletion(-)
diff -puN arch/avr32/Kconfig~add-arch_supports_kprobes arch/avr32/Kconfig
--- a/arch/avr32/Kconfig~add-arch_supports_kprobes
+++ a/arch/avr32/Kconfig
@@ -11,6 +11,7 @@ config AVR32
# With EMBEDDED=n, we get lots of stuff automatically selected
# that we usually don't need on AVR32.
select EMBEDDED
+ select ARCH_HAS_KPROBES
help
AVR32 is a high-performance 32-bit RISC microprocessor core,
designed for cost-sensitive embedded applications, with particular
diff -puN arch/ia64/Kconfig~add-arch_supports_kprobes arch/ia64/Kconfig
--- a/arch/ia64/Kconfig~add-arch_supports_kprobes
+++ a/arch/ia64/Kconfig
@@ -16,6 +16,7 @@ config IA64
select PM if (!IA64_HP_SIM)
select ARCH_SUPPORTS_MSI
select ARCH_HAS_OPROFILE
+ select ARCH_HAS_KPROBES
default y
help
The Itanium Processor Family is Intel's 64-bit successor to
diff -puN arch/powerpc/Kconfig~add-arch_supports_kprobes arch/powerpc/Kconfig
--- a/arch/powerpc/Kconfig~add-arch_supports_kprobes
+++ a/arch/powerpc/Kconfig
@@ -80,6 +80,7 @@ config PPC
bool
default y
select ARCH_HAS_OPROFILE
+ select ARCH_HAS_KPROBES
config EARLY_PRINTK
bool
diff -puN arch/ppc/Kconfig~add-arch_supports_kprobes arch/ppc/Kconfig
--- a/arch/ppc/Kconfig~add-arch_supports_kprobes
+++ a/arch/ppc/Kconfig
@@ -46,6 +46,7 @@ config PPC
bool
default y
select ARCH_HAS_OPROFILE
+ select ARCH_HAS_KPROBES
config PPC32
bool
diff -puN arch/s390/Kconfig~add-arch_supports_kprobes arch/s390/Kconfig
--- a/arch/s390/Kconfig~add-arch_supports_kprobes
+++ a/arch/s390/Kconfig
@@ -55,6 +55,7 @@ mainmenu "Linux Kernel Configuration"
config S390
def_bool y
select ARCH_HAS_OPROFILE
+ select ARCH_HAS_KPROBES
source "init/Kconfig"
diff -puN arch/sparc64/Kconfig~add-arch_supports_kprobes arch/sparc64/Kconfig
--- a/arch/sparc64/Kconfig~add-arch_supports_kprobes
+++ a/arch/sparc64/Kconfig
@@ -9,6 +9,7 @@ config SPARC
bool
default y
select ARCH_HAS_OPROFILE
+ select ARCH_HAS_KPROBES
config SPARC64
bool
diff -puN arch/x86/Kconfig~add-arch_supports_kprobes arch/x86/Kconfig
--- a/arch/x86/Kconfig~add-arch_supports_kprobes
+++ a/arch/x86/Kconfig
@@ -20,6 +20,7 @@ config X86
bool
default y
select ARCH_HAS_OPROFILE
+ select ARCH_HAS_KPROBES
config GENERIC_TIME
bool
diff -puN kernel/Kconfig.instrumentation~add-arch_supports_kprobes kernel/Kconfig.instrumentation
--- a/kernel/Kconfig.instrumentation~add-arch_supports_kprobes
+++ a/kernel/Kconfig.instrumentation
@@ -35,7 +35,7 @@ config ARCH_HAS_OPROFILE
config KPROBES
bool "Kprobes"
depends on KALLSYMS && MODULES
- depends on X86_32 || IA64 || PPC || S390 || SPARC64 || X86_64 || AVR32
+ depends on ARCH_HAS_KPROBES
help
Kprobes allows you to trap at almost any kernel address and
execute a callback function. register_kprobe() establishes
@@ -43,6 +43,9 @@ config KPROBES
for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".
+config ARCH_HAS_KPROBES
+ def_bool n
+
config MARKERS
bool "Activate markers"
help
_
Patches currently in -mm which might be from mathieu.desnoyers@xxxxxxxxxx are
origin.patch
add-cmpxchg_local-to-asm-generic-for-per-cpu-atomic-operations.patch
fall-back-on-interrupt-disable-in-cmpxchg8b-on-80386-and-80486.patch
add-cmpxchg64-and-cmpxchg64_local-to-alpha.patch
add-cmpxchg64-and-cmpxchg64_local-to-mips.patch
add-cmpxchg64-and-cmpxchg64_local-to-powerpc.patch
add-cmpxchg64-and-cmpxchg64_local-to-x86_64.patch
add-cmpxchg_local-to-arm.patch
add-cmpxchg_local-to-avr32.patch
add-cmpxchg_local-to-blackfin-replace-__cmpxchg-by-generic-cmpxchg.patch
add-cmpxchg_local-to-cris.patch
add-cmpxchg_local-to-frv.patch
add-cmpxchg_local-to-h8300.patch
add-cmpxchg_local-cmpxchg64-and-cmpxchg64_local-to-ia64.patch
new-cmpxchg_local-optimized-for-up-case-for-m32r.patch
fix-m32r-__xchg.patch
m32r-build-fix-of-arch-m32r-kernel-smpbootc.patch
local_t-m32r-use-architecture-specific-cmpxchg_local.patch
add-cmpxchg_local-to-m86k.patch
add-cmpxchg_local-to-m68knommu.patch
add-cmpxchg_local-to-parisc.patch
add-cmpxchg_local-to-ppc.patch
add-cmpxchg_local-to-s390.patch
add-cmpxchg_local-to-sh-use-generic-cmpxchg-instead-of-cmpxchg_u32.patch
add-cmpxchg_local-to-sh64.patch
add-cmpxchg_local-to-sparc-move-__cmpxchg-to-systemh.patch
add-cmpxchg_local-to-sparc64.patch
add-cmpxchg_local-to-v850.patch
add-cmpxchg_local-to-xtensa.patch
create-arch-kconfig.patch
add-arch_supports_oprofile.patch
add-arch_supports_kprobes.patch
move-kconfiginstrumentation-to-arch-kconfig-and-init-kconfig.patch
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