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A recent change to the aic scsi driver removed two defines to detect
endianness. cpp handles undefined strings as 0. As a result, the test turned
into #if 0 == 0 and the wrong code was selected.
Adding -Wundef to global CFLAGS will catch such errors.
Signed-off-by: Olaf Hering <olh@suse.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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When running depmod to check for the correct version number, extra
output we don't need to see, such as "depmod: QM_MODULES: Function not
implemented" may show up. Redirect stderr to /dev/null as the version
information that we do care about comes to stdout.
Signed-off-by: Tom Rini <trini@kernel.crashing.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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It fixes the following error:
make[1]: *** No rule to make target `include/asm', needed by `arch/alpha/kernel/asm-offsets.s'. Stop.
Reported by:
From: Jan Dittmer <j.dittmer@portrix.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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From: Andreas Gruenbacher <agruen@suse.de>
We're having the following situation: There are user-space applications
that include kernel headers directly. With a completely unconfigured
/usr/src/linux tree, including most headers fails because essential
files are not there:
include/asm
include/linux/autoconf.h
include/linux/version.h
So we create these files. On the other hand, we want to use
/usr/src/linux as read-only source for building kernels or additional
modules. Now when building a kernel with a separate output directory
(O=), there is a check in the main makefile for the include/asm symlink.
There is no real need for this check: if we ensure that
$(objdir)/include/asm is always created as the patch does,
$(srctree)/include/asm becomes irrelevant.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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From: Keith Owens <kaos@ocs.com.au>
Make it easier to generate maps for debugging kallsyms problems.
debug_kallsyms is only a debugging target so no help or silent mode.
Signed-off-by: Keith Owens <kaos@ocs.com.au>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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I have a single source tree which I cross compile for a couple of
different architectures using ARHC=foo O=blah etc.
The existing cscope target is very handy but only indexes the current
$(ARCH), which is a pain since inevitably I'm interested in the other
one at any given time ;-). This patch allows me to pass a list of
architectures for cscope to index. e.g.
make ALLSOURCE_ARCHS="i386 arm" cscope
This change also works for etags etc, and I presume it is just as useful
there.
Signed-off-by: Ian Campbell <ijc@hellion.org.uk>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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I tried the Linux Makefile 'make cscope' target, and found that the
generated database is not compatible with 'cscope.el' under XEmacs.
The thing is that 'cscope.el' does not allow setting the command line
options to the 'cscope' commands it runs, and it errors with a message
about the options not matching the ones used to generate the index.
It turns out the cscope designers already thought of this. The
options can be written into the "cscope.files". The included patch
moves the "-q" and "-k" options from the 'cmd_cscope' to the
'cmd_cscope-file', echoing them into the top of the files listing.
Now the index is generated with the "-q" option, and when 'cscope.el'
performs it's search, it uses that argument as well. Lookups are fast
and everyone is happy.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Yeah, this time hopefully I'm not confusing the version
numbers. The last release was -rc2, _this_ is -rc3.
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Using the syntax:
make dir/module.ko
kbuild now allows one to build a module including the final link stage.
This is usefull when one only wants to compile a single module and thus do
not have to wait until a full kernel has finished compiling. Tested by:
randy_dunlap <rdunlap@xenotime.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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make O=/dir TAGS
fails with:
MAKE TAGS
find: security/selinux/include: No such file or directory
find: include: No such file or directory
find: include/asm-i386: No such file or directory
find: include/asm-generic: No such file or directory
The problem is in this line:
ifeq ($(KBUILD_OUTPUT),)
KBUILD_OUTPUT is not defined (ever) after make reruns itself. This line is
used in the TAGS, tags, and cscope makes.
Signed-off-by: George Anzinger <george@mvista.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Ok, a lot of things were pending after the 2.6.12 release, let's try to
start calming things down again.
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Fixes http://bugme.osdl.org/show_bug.cgi?id=4726
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Frame pointers are supposed to enable debuggers to reliably tell where a
call comes from. That is defeated by GCC's sibling call optimization (aka
tail recursion elimination).
This patch turns this optimization off when compiling with frame pointers.
Signed-Off-By: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Getting ready for the real release..
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The arch Makefile may override the include path order, which is used by Xen
(and UML?) to make sure include/asm-xen is searched before
include/asm-i386.
The Makefile change to 2.6.12-rc4 made the top Makefile always override the
value specified by the arch Makefile. This trivial patch makes the Xen
kernel compile again.
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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I've noticed that, starting from linux-2.6.12-rc1, in the top Makefile the
"cmd_tags" variable has been changed in a way incompatible with *emacs
ctags. Since the "--extra" option exists only in "exuberant ctags", it
should be included in the CTAGSF shell variable.
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Move definition of NOSTDINC_FLAGS below inclusion of arch Makefile, so
any arch specific settings to $(CC) takes effect before looking up the
compiler include directory.
The previous solution that replaced ':=' with '=' caused gcc to be
invoked one additional time for each directory visited.
This decreases kernel compile time with 0.1 second (3.6 -> 3.5 seconds) when
running make on a fully built kernel
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Releasing this will also make "git" the official source control
thing. Here's to hoping for the best.
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Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
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