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Currently source files in the Documentation/ sub-dir can easily bit-rot
since they are not generally buildable, either because they are hidden in
text files or because there are no Makefile rules for them. This needs to
be fixed so that the source files remain usable and good examples of code
instead of bad examples.
Add the ability to build source files that are in the Documentation/ dir.
Add to Kconfig as "BUILD_DOCSRC" config symbol.
Use "CONFIG_BUILD_DOCSRC=1 make ..." to build objects from the
Documentation/ sources. Or enable BUILD_DOCSRC in the *config system.
However, this symbol depends on HEADERS_CHECK since the header files need
to be installed (for userspace builds).
Built (using cross-tools) for x86-64, i386, alpha, ia64, sparc32,
sparc64, powerpc, sh, m68k, & mips.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It's a problem about cscope target of kernel Makefile, and the cscope
plugin of emacs:
1. `make cscope` will generate cscope.files cscope.{in,po,}.out;
2. the cscope plugin expect a cscope.out.{in,po,};
3. the default `cscope -b` would generate cscope.{in,po,}.out;
There are three approach to solve it:
1. modify the cscope C code;
2. modify the cscope emacs plugin lisp code;
3. modify the Makefile;
I have tried to communicate with the cscope upstream, but later I
realize the third approach is most meaningful.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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With a make O=... build kbuild would only create
the include2/asm symlink for archs that not yet
had moved headers to include/$ARCH/include
There is no longer any reason to avoid the symlink
for archs that has moved their headers so create it
unconditionally.
This fixes arm because kbuild checked for include/asm-$ARCH/errno.h
and that file was not present for arm but the platform files
are not yet moved.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Russell King <rmk@arm.linux.org.uk>
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We used include/asm-$ARCH/system.h to check if
we should create a symlink in include2 directory with
make O=... builds.
But um does not have such a file thus build filed.
Let's try anohter filename:
$ ls -d include/asm-* | wc -l
21
$ ls -d include/asm-*/errno.h | wc -l
21
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Jeff Dike <jdike@addtoit.com>
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The majority of this patch was created by the following script:
***
ASM=arch/sparc/include/asm
mkdir -p $ASM
git mv include/asm-sparc64/ftrace.h $ASM
git rm include/asm-sparc64/*
git mv include/asm-sparc/* $ASM
sed -ie 's/asm-sparc64/asm/g' $ASM/*
sed -ie 's/asm-sparc/asm/g' $ASM/*
***
The rest was an update of the top-level Makefile to use sparc
for header files when sparc64 is being build.
And a small fixlet to pick up the correct unistd.h from
sparc64 code.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-next: (25 commits)
setlocalversion: do not describe if there is nothing to describe
kconfig: fix typos: "Suport" -> "Support"
kconfig: make defconfig is no longer chatty
kconfig: make oldconfig is now less chatty
kconfig: speed up all*config + randconfig
kconfig: set all new symbols automatically
kconfig: add diffconfig utility
kbuild: remove Module.markers during mrproper
kbuild: sparse needs CF not CHECKFLAGS
kernel-doc: handle/strip __init
vmlinux.lds: move __attribute__((__cold__)) functions back into final .text section
init: fix URL of "The GNU Accounting Utilities"
kbuild: add arch/$ARCH/include to search path
kbuild: asm symlink support for arch/$ARCH/include
kbuild: support arch/$ARCH/include for tags, cscope
kbuild: prepare headers_* for arch/$ARCH/include
kbuild: install all headers when arch is changed
kbuild: make clean removes *.o.* as well
kbuild: optimize headers_* targets
kbuild: only one call for include/ in make headers_*
...
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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This patch conclude the support for
arch/$ARCH/include
Note: The individual architectures will most likely require
a few minor patches to support locating header files in
arch/$ARCH/include
Testing shows that it worked out-of-the-box for sparc.
x86 required a few trivial changes in the arch
specific Makefile and a few include paths had to be adjusted.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Adjust the asm symlink support so we do not create the
symlink unless really needed.
We check the precense of include/asm-$ARCH by checking
for the system.h file. We may end up with a stale directory
so it is not enough to check if the directory is present.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Factor out the headers_*_all support to a seperate
shell script and add support for arch specific
header files can be located in either
arch/$ARCH/include/asm
or
include/asm-$ARCH/
In "make help" always display the headers_* targets.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Those are left presumably from aborted ccache(1) compilations:
arch/x86/kernel/.tmp_io_apic_64.o.T5veul
arch/x86/kvm/.tmp_x86.o.SZWn69
arch/x86/mm/.tmp_pgtable.o.sL1LTf
drivers/ieee1394/.tmp_ieee1394_transactions.o.bUj6o1
drivers/infiniband/hw/mlx4/.tmp_main.o.vy0ep6
BTW, with git there is nice way to check for such nuisainces:
make mrproper
git-ls-files -o
should give empty output.
More precise wildcard spec from: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Jan Engelhardt <jengelh@medozas.de>
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Move it to the top-level file to decide if we install/check
the generic headers or the arch specific headers.
This revealed a long standing bug where "make headers_check_all"
relied on the files in asm/ for the current architecture.
So make headers_check_all is now broken by this commit.
In addition:
o add a simpler way to detect if an arch support
exporting header files.
o add 'set -e;' so we error out early if
make headers_check_all fails.
o add sparc64 and cris to arch we do not process
in make headers_*_all because:
sparc64 - use sparc to export headers
cris - is know seriously broken
Includes suggestions from: David Woodhouse
<dwmw2@infradead.org>.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: David Woodhouse <dwmw2@infradead.org>
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Fix the a.out.h case by setting SRCARCH and error
out early in case of an error.
The a.out.h case failed with the *_all targets.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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o Use lower case for local variables
o Add a helper target for common targets
o Use $(hdr-inst)= ... to make Make invocations simpler
o Add -rR to make invocations
In total this adds more lines than it removes but the
benefit is better readability
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: David Woodhouse <dwmw2@infradead.org>
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This means that we no longer need write access to the source tree while
doing 'make modules_install'.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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When a kernel was rebuilt, the previous Module.markers was not cleared.
It caused markers with different format strings to appear as duplicates
when a markers was changed. This problem is present since
scripts/mod/modpost.c started to generate Module.markers, commit
b2e3e658b344c6bcfb8fb694100ab2f2b5b2edb0
It therefore applies to 2.6.25, 2.6.26 and linux-next.
I merely merged the patches from Roland, Wenji and Takashi here.
Credits to
Roland McGrath <roland@redhat.com>
Wenji Huang <wenji.huang@oracle.com>
and
Takashi Nishiie <t-nishiie@np.css.fujitsu.com>
for providing the individual fixes.
- Changelog :
- Integrated Takashi's Makefile modification to clear Module.markers upon
make clean.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Roland McGrath <roland@redhat.com>
Cc: Wenji Huang <wenji.huang@oracle.com>
Cc: Takashi Nishiie <t-nishiie@np.css.fujitsu.com>
Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The patch named "powerpc/mpc5121: Add clock driver", also contained
an unrelated and bogus change to the top-level makefile. This patch
backs out the bad bit.
SHA1 of offending patch: 137e95906e294913fab02162e8a1948ade49acb5)
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Repented-by: John Rigby <jrigby@freescale.com>
[ Heh. Normally I pick these out from the diffstats, but I guess
I've grown to trust the ppc tree too much ;) - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Crosscompiling on a Fedora 9 machine running gcc 4.3.0 as its host compiler
and gcc 3.4.6 for the mips-linux target results in the following build
error:
$ make malta_defconfig
$ make
cc1: error: unrecognized command line option "-fno-stack-protector"
scripts/kconfig/conf -s arch/mips/Kconfig
cc1: error: unrecognized command line option "-fno-stack-protector"
The arch Makefile is included too late so the host compiler is feature
tested, not the crosscompiler as intended and thus the Makefile applies
adds -fno-stack-protector to crosscompiler's flags which fails for gcc
3.4.6. The bug was introduced by e06b8b98da071f7dd78fb7822991694288047df0
in 2.6.25; 35bb5b1e0e84cfa1a8906f7e6a77f391ff315791 did add more flags
testing before the arch Makefile inclusion.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Manual merge of:
arch/powerpc/Kconfig
arch/powerpc/kernel/stacktrace.c
arch/powerpc/mm/slice.c
arch/ppc/kernel/smp.c
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Manual fixup of:
arch/powerpc/Kconfig
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* 'for-2.6.27' of git://git.infradead.org/users/dwmw2/firmware-2.6: (64 commits)
firmware: convert sb16_csp driver to use firmware loader exclusively
dsp56k: use request_firmware
edgeport-ti: use request_firmware()
edgeport: use request_firmware()
vicam: use request_firmware()
dabusb: use request_firmware()
cpia2: use request_firmware()
ip2: use request_firmware()
firmware: convert Ambassador ATM driver to request_firmware()
whiteheat: use request_firmware()
ti_usb_3410_5052: use request_firmware()
emi62: use request_firmware()
emi26: use request_firmware()
keyspan_pda: use request_firmware()
keyspan: use request_firmware()
ttusb-budget: use request_firmware()
kaweth: use request_firmware()
smctr: use request_firmware()
firmware: convert ymfpci driver to use firmware loader exclusively
firmware: convert maestro3 driver to use firmware loader exclusively
...
Fix up trivial conflicts with BKL removal in drivers/char/dsp56k.c and
drivers/char/ip2/ip2main.c manually.
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Conflicts:
sound/pci/Kconfig
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Conflicts:
arch/x86/kernel/entry_32.S
arch/x86/kernel/process_32.c
arch/x86/kernel/process_64.c
arch/x86/lib/Makefile
include/asm-x86/irqflags.h
kernel/Makefile
kernel/sched.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Plugs into the generic powerpc clock driver in
arch/powerpc/kernel/clock.c
The following subset of clk_interface is implemented:
clk_get, clk_put: get clock via name, release clock
clk_enable, clk_disable: enable or disable clock
clk_get_rate: get clock rate in Hz
clk_set_rate: stubbed
clk_round_rate: stubbed
clk_set_parent: NULL
clk_get_parent: NULL
Signed-off-by: John Rigby <jrigby@freescale.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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For 'make modules_install', install any firmware required by
the modules which are being installed.
Also add a 'make firmware_install' target which doesn't depend on the
configuration, but installs _all_ available in-kernel-tree firmware into
$(INSTALL_FW_PATH), which defaults to /lib/firmware. This is intended
for distributors to make arch-independent (and config-independent)
packages containing firmware.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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This allows arbitrary firmware files to be included in the static kernel
where the firmware loader can find them without requiring userspace to
be alive.
(Updated and CONFIG_EXTRA_FIRMWARE_DIR added with lots of help from
Johannes Berg).
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
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.. and a new name, courtesy of Alan.
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If CONFIG_FTRACE is selected and /proc/sys/kernel/ftrace_enabled is
set to a non-zero value the ftrace routine will be called everytime
we enter a kernel function that is not marked with the "notrace"
attribute.
The ftrace routine will then call a registered function if a function
happens to be registered.
[ This code has been highly hacked by Steven Rostedt and Ingo Molnar,
so don't blame Arnaldo for all of this ;-) ]
Update:
It is now possible to register more than one ftrace function.
If only one ftrace function is registered, that will be the
function that ftrace calls directly. If more than one function
is registered, then ftrace will call a function that will loop
through the functions to call.
Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes:
Don't clean bounds.h and asm-offsets.h
kconfig: incorrect 'len' field initialisation ?
kernel-doc: allow unnamed bit-fields
kbuild: filter away debug symbols from kernel symbols
Remove *.rej pattern from .gitignore
MAINTAINERS: document names of new kbuild trees
kbuild: disable modpost warnings for linkonce sections
kbuild: escape meta characters in regular expression in make TAGS
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