Short intro to content of kbuild.git at the moment.
See http://git.kernel.org/?p=linux/kernel/git/sam/kbuild.git;a=summary
Everything are targeted for next merge window.
section mismatch
kbuild: make better section mismatch reports on i386, arm and mips
kbuild: The .paravirtprobe section is obsolete, so modpost doesn't need to handle it
kbuild: ignore section mismatch warnings originating from .note section
kbuild: refactor code in modpost to improve maintainability
kbuild: warn about references from .init.text to .exit.text
kbuild: remove hardcoded apic_es7000 from modpost
kbuild: refactor code in modpost
kbuild: remove hardcoded _logo names from modpost
kbuild: suppress modpost warnings for references from the .toc section as used by powerpc
kbuild: whitelist references from variables named _timer to .init.text
Several changes to either improve reporting - or to ignore false positives.
In particular modpost now check for and warn about references from .init.text to .exit.text
This check caugth several real bugs - which for the most part are already fixed in upstream.
modpost now does a better job finding the symbols using addend - this works for me
but had caused troubles in the past. If modpost suddenly bails out with a segmentation
violation this may the the culprint.
In addition some trivial code refactoring was done to improve maintainability of modpost.
kconfig: use POSIX equality test in check-lxdialog.sh
Bugfix.
scripts: Make cleanfile/cleanpatch warn about long lines
Improved so we all adhere to 80 lines (in)sanity
kbuild: avoid environment to set variables used by kbuild
I had a report that a user tried to do:
EXTRA_CFLAGS=FOO make fs/nfs/
This is not supposed to impact the build so make sure it does not.
kbuild: add support for reading stdin with gen_init_cpio
kbuild: add support for squashing uid/gid in gen_initramfs_list.sh
initramfs improvements
kbuild: asm-offsets.h is now cleaned with O=.. builds
Bugfix
kbuild: document cc-fullversion
kbuild: New 'cc-fullversion' macro
powerpc: Refuse to build 64-bit with GCC-4.2.0 and CONFIG_MODULES
Add and use cc-fullversion to obtain exact gcc version
See documentation in Documentation/kbuild/makefiles.txt
What's next?
-> davem has requested to add a new section used for code modifying support.
The actual section name to use needs to be sorted out.
-> A few cygwin specific changes may hit kbuild - to allow the kernel to be built
using cygwin on a windoze box.
-> A few trivial kconfig changes are pending. Needs to review them before they are ready.
-> A speed-up of headers_check is in the works. Got stalled but will look into it soon.
The check goes down to ~3 sec on my not-so-fast machine
-> If I get really bored I may start a 'cleaning up all vmlinux.lds files' round.
If someone would help out here it would be appreciated.
These change will then be merged via the arch-maintaines and not really kbuild stuff..
Sam
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