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Now that we run scripts/setlocalversion during every build, it makes
sense to move all the localversion logic there. This cleans up the
toplevel Makefile and also makes sure that the script is called only
once in 'make prepare' (previously, it would be called every time due to
a variable expansion in an ifneq statement). No user-visible change is
intended, unless one runs the setlocalversion script directly.
Reported-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: Nico Schottelius <nico-linuxsetlocalversion@schottelius.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Merge reason: Go from -rc1 base to -rc3 base, merge in fixes.
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In the commit below the version string handling was modified, adding
a '+' where no other version information was supplied:
commit 85a256d8e0116c8f5ad276730830f5d4d473344d
Author: David Rientjes <rientjes@google.com>
Date: Wed Jan 13 13:01:05 2010 -0800
From the commit the intent was as below:
- when CONFIG_LOCALVERSION_AUTO is disabled, a `+' is appended if the
repository has been revised beyond a tagged commit and LOCALVERSION=
was not passed to "make".
However if the user supplies an empty LOCALVERSION on the command line
the plus suffix is still added. This form is useful in the case where
the build environment knows that the version as specified is correct and
complete but does not correspond to a specific tag.
This patch changes the implementation to match the documentation
such that specifying LOCALVERSION= on the build line is sufficient
to suppress any suffix.
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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A 'coccicheck' target is added. It can be called with four different
modes. Each one generates a different kind of output, i.e. context,
patch, org, report, according to the corresponding mode to be
activated.
The new target calls the 'coccicheck' front-end in the 'scripts'
directory with the MODE argument. Every SmPL file in the
subdirectories of 'scripts/coccinelle' is then given to the front-end
and applied to the entire source tree.
The four modes behave as follows:
'report' generates a list in the following format:
file:line:column-column: message
'patch' proposes a fix, when possible.
'context' highlights lines of interest and their context in a
diff-like style. Lines of interest are indicated with '-'.
'org' generates a report in the Org mode format of Emacs.
Signed-off-by: Nicolas Palix <npalix@diku.dk>
Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Generating the file in make modules_install was broken as well, because
it didn't work in a readonly filesystem and otherwise it generated a
root-owned file which is not wanted.
Reported-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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So that we don't require that the kernel be configured first, and as we
don't use KERNELRELEASE at all in the -src-pkg targets, we need o add a
new wildcard for targets ending in src-pkg:
On a make mrproper'ed kernel we get this without this patch:
[linux-2.6-tip]$ LANG= make perf-tarbz2-src-pkg
/bin/sh: include/config/kernel.release: No such file or directory
make: *** [include/config/kernel.release] Error 1
[acme@emilia linux-2.6-tip]$
Acked-by: Michal Marek <mmarek@suse.cz>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <20100604173552.GA875@ghostprotocols.net>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Useful for when people want to try some version of the perf tools and don't
wants to download the kernel tarball.
Here is a session using this new target:
[root@emilia linux-2.6-tip]# make help | grep -i perf
perf-tar-src-pkg - Build perf-2.6.35-rc1.tar source tarball
perf-targz-src-pkg - Build perf-2.6.35-rc1.tar.gz source tarball
perf-tarbz2-src-pkg - Build perf-2.6.35-rc1.tar.bz2 source tarball
[root@emilia linux-2.6-tip]# make perf-tarbz2-src-pkg
TAR
[root@emilia linux-2.6-tip]# ls -la perf-2.6.35-rc1.tar.bz2
-rw-r--r-- 1 root root 295731 May 31 11:18 perf-2.6.35-rc1.tar.bz2
[root@emilia linux-2.6-tip]# tar xf perf-2.6.35-rc1.tar.bz2
[root@emilia linux-2.6-tip]# cd perf-2.6.35-rc1
[root@emilia perf-2.6.35-rc1]# ls
arch HEAD include lib tools
[root@emilia perf-2.6.35-rc1]# cd tools/perf
[root@emilia perf]# make -j9 2>&1 | tail
CC arch/x86/util/dwarf-regs.o
CC util/probe-finder.o
CC util/newt.o
CC util/scripting-engines/trace-event-perl.o
CC scripts/perl/Perf-Trace-Util/Context.o
CC perf.o
CC builtin-help.o
AR libperf.a
LINK perf
rm .perf.dev.null
[root@emilia perf]# ./perf record -a sleep 1
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.262 MB perf.data (~11457 samples) ]
[root@emilia perf]# ./perf report | head -12
# Events: 6K cycles
#
# Overhead Command Shared Object Symbol
# ........ ............... .................. ......
#
4.73% perf [kernel.kallsyms] [k] format_decode
4.49% perf libc-2.12.so [.] _IO_file_underflow_internal
4.38% init [kernel.kallsyms] [k] mwait_idle
3.29% perf [kernel.kallsyms] [k] vsnprintf
2.38% init [kernel.kallsyms] [k] sched_clock_local
2.35% init [kernel.kallsyms] [k] apic_timer_interrupt
1.86% sirq-timer/5 [kernel.kallsyms] [k] find_busiest_group
[root@emilia perf]#
Acked-by: Michal Marek <mmarek@suse.cz>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <20100528185357.GA28009@ghostprotocols.net>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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os user <gnusercn@gmail.com> writes:
From the last comment, arch makefile will override vmlinux. It seems
vmlinux will not be checked by `make'. But from my test, although
`all:' will be re-defined in arch Makefile (ARM arch), vmlinux will
still be checked and the commands associated will be executed. Should
we use another word instead of "overridden"?
Reported-by: os user <gnusercn@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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* 'for-35' of git://repo.or.cz/linux-kbuild: (81 commits)
kbuild: Revert part of e8d400a to resolve a conflict
kbuild: Fix checking of scm-identifier variable
gconfig: add support to show hidden options that have prompts
menuconfig: add support to show hidden options which have prompts
gconfig: remove show_debug option
gconfig: remove dbg_print_ptype() and dbg_print_stype()
kconfig: fix zconfdump()
kconfig: some small fixes
add random binaries to .gitignore
kbuild: Include gen_initramfs_list.sh and the file list in the .d file
kconfig: recalc symbol value before showing search results
.gitignore: ignore *.lzo files
headerdep: perlcritic warning
scripts/Makefile.lib: Align the output of LZO
kbuild: Generate modules.builtin in make modules_install
Revert "kbuild: specify absolute paths for cscope"
kbuild: Do not unnecessarily regenerate modules.builtin
headers_install: use local file handles
headers_check: fix perl warnings
export_report: fix perl warnings
...
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.. and thus endeth the merge window.
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I'm looking Makefile in the -mm branch (dated 2010-04-28-16-53) and
seeing what looks like a bug in the checking of scm-identifier. The
"ifneq ($scm-identifier)" seems to always execute "ifeq
($(LOCALVERSION,)) ...". This patch fixes the checking of
scm-identifier.
Signed-off-by: Greg Thelen <gthelen@google.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The previous approach didn't work if one did
make modules && make modules_install
Add modules.builtin as dependency of _modinst_, which is the target that
actually needs the file.
Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Only regenerate it if the configuration has changed. Also, do this after
the modules build to fix errors with some weird Makefiles that are
generated during build.
Reported-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Better dwarf2 unwind information is a good thing, it allows better
debugging with kgdb and crash and helps systemtap.
Commit 003086497f07f7f1e67c0c295e261740f822b377 ("Build with
-fno-dwarf2-cfi-asm") disabled some CFI information globally to work
around a module loader bug on powerpc.
But this disables the better unwind tables for all architectures, not just
powerpc. Move the workaround to powerpc and also add a suitable comment
that's it really a workaround.
This improves dwarf2 unwind tables on x86 at least.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The LOCALVERSION= string passed to "make" will now always be appended to
the kernel version after CONFIG_LOCALVERSION, if it exists, regardless of
whether CONFIG_LOCALVERSION_AUTO is set or not. This allows users to
uniquely identify their kernel builds with a string.
If CONFIG_LOCALVERSION_AUTO is enabled, the unique SCM tag reported by
setlocalversion (or .scmversion) is appended to the kernel version, if it
exists. When CONFIG_LOCALVERSION_AUTO is not enabled, a `+' is appended
to the kernel version to represent that the kernel has been revised since
the last release unless "make LOCALVERSION=" was used to uniquely identify
the build.
The end result is this:
- when LOCALVERSION= is passed to "make", it is appended to the kernel
version,
- when CONFIG_LOCALVERSION_AUTO is enabled, a unique SCM identifier is
appended if the respository has been revised beyond a tagged commit,
and
- when CONFIG_LOCALVERSION_AUTO is disabled, a `+' is appended if the
repository has been revised beyond a tagged commit and LOCALVERSION=
was not passed to "make".
Examples:
With CONFIG_LOCALVERSION_AUTO: "make" results in
v2.6.32-rc4-00149-ga3ccf63. If there are uncommited changes to the
respository, it results in v2.6.32-rc4-00149-ga3ccf63-dirty. If
"make LOCALVERSION=kbuild" were used, it results in
v2.6.32-rc4-kbuild-00149-ga3ccf63-dirty.
Without CONFIG_LOCALVERSION_AUTO, "make" results in v2.6.32-rc4+
unless the repository is at the Linux v2.6.32-rc4 commit (in which
case the version would be v2.6.32-rc4). If "make LOCALVERSION=kbuild"
were used, it results in v2.6.32-rc4-kbuild.
Also renames variables such as localver-auto and _localver-auto to more
accurately describe what they represent: localver-extra and
scm-identifier, respectively.
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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This adds CROSS_COMPILE as a kconfig string so you can store it in
.config. Then you can use plain "make" in the configured kernel build
directory to do the right cross compilation without setting the
command-line or environment variable every time.
With this, you can set up different build directories for different kernel
configurations, whether native or cross-builds, and then use the simple:
make -C /build/dir M=module-source-dir
idiom to build modules for any given target kernel, indicating which one
by nothing but the build directory chosen.
I tried a version that defaults the string with env="CROSS_COMPILE" so
that in a "make oldconfig" with CROSS_COMPILE in the environment you can
just hit return to store the way you're building it. But the kconfig
prompt for strings doesn't give you any way to say you want an empty
string instead of the default, so I punted that.
Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Anibal Monsalve Salazar <anibal@debian.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Setting LC_CTYPE=C breaks localized messages in some setups. With only
LC_COLLATE=C and LC_NUMERIC=C, we get almost all we need, except for not
so defined character classes and tolower()/toupper(). The former is not
a big issue, because we can assume that e.g. [:alpha:] will always
include a-zA-Z and we only ever process ASCII input. The latter seems
only affect arch/sh/tools/gen-mach-types, which we can handle separately.
So after this patch the meaning of ranges like [a-z], the behavior of
sort and join, etc. should be the same everywhere and at the same time
gcc should be able to print localized waring and error messages.
LC_NUMERIC=C might not be necessary, but setting it doesn't hurt.
Reported-by: Simon Horman <horms@verge.net.au>
Reported-by: Sergei Trofimovich <slyfox@inbox.ru>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Tested-by: Simon Horman <horms@verge.net.au>
Tested-by: Masami Hiramatsu <mhiramat@redhat.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, irq: Allow 0xff for /proc/irq/[n]/smp_affinity on an 8-cpu system
Makefile: Unexport LC_ALL instead of clearing it
x86: Fix objdump version check in arch/x86/tools/chkobjdump.awk
x86: Reenable TSC sync check at boot, even with NONSTOP_TSC
x86: Don't use POSIX character classes in gen-insn-attr-x86.awk
Makefile: set LC_CTYPE, LC_COLLATE, LC_NUMERIC to C
x86: Increase MAX_EARLY_RES; insufficient on 32-bit NUMA
x86: Fix checking of SRAT when node 0 ram is not from 0
x86, cpuid: Add "volatile" to asm in native_cpuid()
x86, msr: msrs_alloc/free for CONFIG_SMP=n
x86, amd: Get multi-node CPU info from NodeId MSR instead of PCI config space
x86: Add IA32_TSC_AUX MSR and use it
x86, msr/cpuid: Register enough minors for the MSR and CPUID drivers
initramfs: add missing decompressor error check
bzip2: Add missing checks for malloc returning NULL
bzip2/lzma/gzip: pre-boot malloc doesn't return NULL on failure
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Apparently not all versions of glibc and utilities treat an empty
LC_ALL as nonexistent, causing error messages to be garbled. Instead,
explicitly unexport it from the environment.
Reported-and-tested-by: Masami Hiramatsu <mhiramat@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
LKML-Reference: <4B2AC394.4030108@redhat.com>
Cc: Michal Marek <mmarek@sues.cz>
Cc: Roland Dreier <rdreier@cisco.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
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There are a number of common Unix constructs like character ranges in
grep/sed/awk which don't work as expected with LC_COLLATE set to other
than C. Similarly, set LC_CTYPE and LC_NUMERIC to C to avoid other
nasty surprises.
In order to make sure these actually take effect we also have to
clear LC_ALL.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Acked-by: Michal Marek <mmarek@sues.cz>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Acked-by: Roland Dreier <rdreier@cisco.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
LKML-Reference: <4B2A1761.4070904@suse.cz>
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Fix typo / thinko in commit bc081dd.
Signed-off-by: Michal Marek <mmarek@suse.cz>
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To make it easier for module-init-tools and scripts like mkinitrd to
distinguish builtin and missing modules, install a modules.builtin file
listing all builtin modules. This is done by generating an additional
config file (tristate.conf) with tristate options set to uppercase 'Y'
or 'M'. If we source that config file, the builtin modules appear in
obj-Y.
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The toplevel Makefile creates the directory if it runs silentoldconfig
automatically, but if run manually, it fails:
$ make mrproper
$ make defconfig && make silentoldconfig
*** Default configuration is based on 'x86_64_defconfig'
#
# configuration written to .config
#
scripts/kconfig/conf -s arch/x86/Kconfig
*** Error during update of the kernel configuration.
...
Move the mkdir command to the silentoldconfig target to make it work.
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Drop Module.markers from cleaning list since marker
is removed.
Signed-off-by: Wenji Huang <wenji.huang@oracle.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Fix up all users of utsrelease.h
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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We no longer use this directory for generated files and
all architectures has moved their header files so no
symlink tricks are needed either.
Drop the symlink and drop the ARCH check.
If we really need to check that the SRCARCH has not changed
when we build a kernel we can add this check back - but then we will
find a more convenient way to store the info.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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No architectures uses include/asm-$ARCH now.
So drop check for location of include files
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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There is no longer any use of the include2/ directory.
The generated files has moved to include/generated.
Drop all references to said directory.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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