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I fixed scripts/Makefile.modpost to handle CONFIG_MODULES but no modules
selected, but forgot scripts/Makefile.modinst
(pointed out by akpm)
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Since we rely on our list of all modules for building anyway, we
can as well use it to install the modules. So we don't need to
descend in that step anymore, speeding it up, though it's not
a particularly performance-critical area.
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module-init-tools 0.9 and newer supply a replacement depmod, so
it's safe to run again.
Also, some external programs like PCMCIA and mkinitrd really want the
directory hierarchy in /lib/modules back again: it makes no difference
to the tools (since 0.9), so revert it.
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This is an implementation of the in-kernel module loader extending
the try_inc_mod_count() primitive and making its use compulsory.
This has the benifit of simplicity, and similarity to the existing
scheme. To reduce the cost of the constant increments and
decrements, reference counters are lockless and per-cpu.
Eliminated (coming in following patches):
o Modversions
o Module parameters
o kallsyms
o EXPORT_SYMBOL_GPL and MODULE_LICENCE checks
o DEVICE_TABLE support.
New features:
o Typesafe symbol_get/symbol_put
o Single "insert this module" syscall interface allows trivial userspace.
o Raceless loading and unloading
You will need the trivial replacement module utilities from:
http://ozlabs.org/~rusty/module-init-tools-0.6.tar.gz
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Most definitions required were present in Makefile.lib, so delete the
definitions and include Makefile.lib.
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o Deleted subdir-n and subdir- handling in Makefile.build
o Deleted all host-progs related stuff in Makfile.modver
o In Makefile.modver also deleted everything related to composite objects
o Fixed an error when deleting a .ver file + .hdepend and then do make
- filter-out in Makefile.modver was faulty
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Use the same way we came up with for "make clean" for
"make modules_install", gaining a nice speed-up.
Also, some cosmetics for scripts/Makefile.clean
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Rules.make is used in 4 phases,
o generate modversions
o build
o install modules
o clean
split out the code specific to the phase and move it into
scripts/Makefile.<phase>
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