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SubjectRe: [patch 6/7] Linux Kernel Markers - Documentation
On Mon, 24 Sep 2007 17:08:30 -0400 Mathieu Desnoyers wrote:

> * Randy Dunlap (randy.dunlap@oracle.com) wrote:
> > On Mon, 24 Sep 2007 11:56:35 -0700 Randy Dunlap wrote:
> >
> > > Christoph Hellwig wrote:
> > > > On Mon, Sep 24, 2007 at 11:49:15AM -0700, Randy Dunlap wrote:
> > > >> I think that samples are perfectly fine for documentation and
> > > >> that the trace example is a good example. I think that most people
> > > >> who need something like that would need to customize it for their
> > > >> specific needs anyway.
> > > >>
> > > >> We don't seem to be making progress...
> > > >
> > > > Time to bring in a Tie-Breaker :)
> > >
> > > Yes. Is anyone else interested? :(
> >
> >
> > I guess that's everyone (except those who are sleeping).
> >
> > Let's not hold up progress. Just use samples/ for code.
>
> Would you already have the
>
> Makefile
> samples/Kconfig
> samples/Makefile
>
> core code handy per chance ? (and probably Kconfig sourcing in every
> arch ?)

Yes. Here it is. I'm working on add kprobes to it, but you
can go ahead with markers also.



From: Randy Dunlap <randy.dunlap@oracle.com>

Begin infrastructure for kernel code samples in the samples/ directory.
Add its Kconfig and Kbuild files.
Source its Kconfig file in all arch/ Kconfigs.


Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
---
Makefile | 10 +++++++---
arch/alpha/Kconfig | 2 ++
arch/arm/Kconfig | 2 ++
arch/avr32/Kconfig | 2 ++
arch/blackfin/Kconfig | 2 ++
arch/cris/Kconfig | 2 ++
arch/frv/Kconfig | 2 ++
arch/h8300/Kconfig | 2 ++
arch/i386/Kconfig | 2 ++
arch/ia64/Kconfig | 2 ++
arch/m32r/Kconfig | 2 ++
arch/m68k/Kconfig | 2 ++
arch/m68knommu/Kconfig | 2 ++
arch/mips/Kconfig | 2 ++
arch/parisc/Kconfig | 2 ++
arch/powerpc/Kconfig | 2 ++
arch/ppc/Kconfig | 2 ++
arch/s390/Kconfig | 2 ++
arch/sh/Kconfig | 2 ++
arch/sh64/Kconfig | 2 ++
arch/sparc/Kconfig | 2 ++
arch/sparc64/Kconfig | 2 ++
arch/um/Kconfig | 2 ++
arch/v850/Kconfig | 2 ++
arch/x86_64/Kconfig | 2 ++
arch/xtensa/Kconfig | 3 ++-
samples/Kbuild | 2 ++
samples/Kconfig | 11 +++++++++++
28 files changed, 70 insertions(+), 4 deletions(-)

--- linux-2.6.23-rc7.orig/Makefile
+++ linux-2.6.23-rc7/Makefile
@@ -436,6 +436,7 @@ drivers-y := drivers/ sound/
net-y := net/
libs-y := lib/
core-y := usr/
+samples-y := samples/
endif # KBUILD_EXTMOD

ifeq ($(dot-config),1)
@@ -564,10 +565,12 @@ core-y += kernel/ mm/ fs/ ipc/ security

vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \
$(core-y) $(core-m) $(drivers-y) $(drivers-m) \
- $(net-y) $(net-m) $(libs-y) $(libs-m)))
+ $(net-y) $(net-m) $(libs-y) $(libs-m)) \
+ $(samples-y) $(samples-m))
+

vmlinux-alldirs := $(sort $(vmlinux-dirs) $(patsubst %/,%,$(filter %/, \
- $(init-n) $(init-) \
+ $(init-n) $(init-) $(samples-n) $(samples-) \
$(core-n) $(core-) $(drivers-n) $(drivers-) \
$(net-n) $(net-) $(libs-n) $(libs-))))

@@ -578,6 +581,7 @@ net-y := $(patsubst %/, %/built-in.o, $
libs-y1 := $(patsubst %/, %/lib.a, $(libs-y))
libs-y2 := $(patsubst %/, %/built-in.o, $(libs-y))
libs-y := $(libs-y1) $(libs-y2)
+samples-y := $(patsubst %/, %/built-in.o, $(samples-y))

# Build vmlinux
# ---------------------------------------------------------------------------
@@ -607,7 +611,7 @@ libs-y := $(libs-y1) $(libs-y2)
# System.map is generated to document addresses of all kernel symbols

vmlinux-init := $(head-y) $(init-y)
-vmlinux-main := $(core-y) $(libs-y) $(drivers-y) $(net-y)
+vmlinux-main := $(core-y) $(libs-y) $(drivers-y) $(net-y) $(samples-y)
vmlinux-all := $(vmlinux-init) $(vmlinux-main)
vmlinux-lds := arch/$(ARCH)/kernel/vmlinux.lds
export KBUILD_VMLINUX_OBJS := $(vmlinux-all)
--- /dev/null
+++ linux-2.6.23-rc7/samples/Kbuild
@@ -0,0 +1,2 @@
+# Makefile for Linux samples code
+
--- /dev/null
+++ linux-2.6.23-rc7/samples/Kconfig
@@ -0,0 +1,11 @@
+# samples/Kconfig
+
+menuconfig SAMPLES
+ bool "Sample kernel code"
+ help
+ You can build and test sample kernel code here.
+
+if SAMPLES
+
+
+endif # SAMPLES
--- linux-2.6.23-rc7.orig/arch/alpha/Kconfig
+++ linux-2.6.23-rc7/arch/alpha/Kconfig
@@ -669,5 +669,7 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"

--- linux-2.6.23-rc7.orig/arch/arm/Kconfig
+++ linux-2.6.23-rc7/arch/arm/Kconfig
@@ -1067,4 +1067,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/avr32/Kconfig
+++ linux-2.6.23-rc7/arch/avr32/Kconfig
@@ -237,4 +237,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/blackfin/Kconfig
+++ linux-2.6.23-rc7/arch/blackfin/Kconfig
@@ -1012,4 +1012,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/cris/Kconfig
+++ linux-2.6.23-rc7/arch/cris/Kconfig
@@ -202,4 +202,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/frv/Kconfig
+++ linux-2.6.23-rc7/arch/frv/Kconfig
@@ -381,4 +381,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/h8300/Kconfig
+++ linux-2.6.23-rc7/arch/h8300/Kconfig
@@ -229,4 +229,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/i386/Kconfig
+++ linux-2.6.23-rc7/arch/i386/Kconfig
@@ -1260,6 +1260,8 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"

#
--- linux-2.6.23-rc7.orig/arch/ia64/Kconfig
+++ linux-2.6.23-rc7/arch/ia64/Kconfig
@@ -594,3 +594,5 @@ source "arch/ia64/Kconfig.debug"
source "security/Kconfig"

source "crypto/Kconfig"
+
+source "samples/Kconfig"
--- linux-2.6.23-rc7.orig/arch/m32r/Kconfig
+++ linux-2.6.23-rc7/arch/m32r/Kconfig
@@ -434,4 +434,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/m68k/Kconfig
+++ linux-2.6.23-rc7/arch/m68k/Kconfig
@@ -689,4 +689,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/m68knommu/Kconfig
+++ linux-2.6.23-rc7/arch/m68knommu/Kconfig
@@ -702,4 +702,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/mips/Kconfig
+++ linux-2.6.23-rc7/arch/mips/Kconfig
@@ -1924,4 +1924,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/parisc/Kconfig
+++ linux-2.6.23-rc7/arch/parisc/Kconfig
@@ -275,4 +275,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/powerpc/Kconfig
+++ linux-2.6.23-rc7/arch/powerpc/Kconfig
@@ -662,3 +662,5 @@ config KEYS_COMPAT
default y

source "crypto/Kconfig"
+
+source "samples/Kconfig"
--- linux-2.6.23-rc7.orig/arch/ppc/Kconfig
+++ linux-2.6.23-rc7/arch/ppc/Kconfig
@@ -1460,3 +1460,5 @@ source "arch/ppc/Kconfig.debug"
source "security/Kconfig"

source "crypto/Kconfig"
+
+source "samples/Kconfig"
--- linux-2.6.23-rc7.orig/arch/s390/Kconfig
+++ linux-2.6.23-rc7/arch/s390/Kconfig
@@ -551,4 +551,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/sh/Kconfig
+++ linux-2.6.23-rc7/arch/sh/Kconfig
@@ -739,4 +739,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/sh64/Kconfig
+++ linux-2.6.23-rc7/arch/sh64/Kconfig
@@ -293,6 +293,8 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"

#
--- linux-2.6.23-rc7.orig/arch/sparc/Kconfig
+++ linux-2.6.23-rc7/arch/sparc/Kconfig
@@ -333,4 +333,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/sparc64/Kconfig
+++ linux-2.6.23-rc7/arch/sparc64/Kconfig
@@ -482,4 +482,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/um/Kconfig
+++ linux-2.6.23-rc7/arch/um/Kconfig
@@ -320,6 +320,8 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"

source "drivers/scsi/Kconfig"
--- linux-2.6.23-rc7.orig/arch/v850/Kconfig
+++ linux-2.6.23-rc7/arch/v850/Kconfig
@@ -337,6 +337,8 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"

#############################################################################
--- linux-2.6.23-rc7.orig/arch/x86_64/Kconfig
+++ linux-2.6.23-rc7/arch/x86_64/Kconfig
@@ -805,4 +805,6 @@ source "security/Kconfig"

source "crypto/Kconfig"

+source "samples/Kconfig"
+
source "lib/Kconfig"
--- linux-2.6.23-rc7.orig/arch/xtensa/Kconfig
+++ linux-2.6.23-rc7/arch/xtensa/Kconfig
@@ -257,6 +257,7 @@ source "security/Kconfig"

source "crypto/Kconfig"

-source "lib/Kconfig"
+source "samples/Kconfig"

+source "lib/Kconfig"

-
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