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  1. 19 2月, 2006 13 次提交
    • J
      kbuild: fix mkmakefile · 96678281
      由 Jan Beulich 提交于 
      With the current way of generating the Makefile in the output directory
for builds outside of the source tree, specifying real targets (rather
than phony ones) doesn't work in an already (partially) built tree, as
the stub Makefile doesn't have any dependency information available.
Thus, all targets where files may actually exist must be listed
explicitly and, due to what I'd call a make misbehavior, directory
targets must then also be special cased.
Signed-Off-By: NJan Beulich <jbeulich@novell.com>
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
      96678281
    • J
      kbuild: consolidate command line escaping · 6176aa9a
      由 Jan Beulich 提交于 
      While the recent change to also escape # symbols when storing C-file
compilation command lines was helpful, it should be in effect for all
command lines, as much as the dollar escaping should be in effect for
C-source compilation commands. Additionally, for better readability and
maintenance, consolidating all the escaping (single quotes, dollars,
and now sharps) was also desirable.
Signed-Off-By: NJan Beulich <jbeulich@novell.com>
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
      6176aa9a
    • S
      kbuild: make cc-version available in kbuild files · 20a468b5
      由 Sam Ravnborg 提交于 
      Move $(CC) support functions to Kbuild.include so they are available
in the kbuild files.
In addition the following was done:
	o as-option documented in Documentation/kbuild/makefiles.txt
	o Moved documentation to new section to match
	  new scope of functions
	o added cc-ifversion used to conditionally select a text string
	  dependent on actual $(CC) version
	o documented cc-ifversion
	o change so Kbuild.include is read before the kbuild file
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
      20a468b5
    • S
      kbuild: check for section mismatch during modpost stage · b39927cf
      由 Sam Ravnborg 提交于 
      Section mismatch is identified as references to .init*
sections from non .init sections. And likewise references
to .exit.* sections outside .exit sections.

.init.* sections are discarded after a module is initialized
and references to .init.* sections are oops candidates.
.exit.* sections are discarded when a module is built-in and
thus references to .exit are also oops candidates.

The checks were possible to do using 'make buildcheck' which
called the two perl scripts: reference_discarded.pl and
reference_init.pl. This patch just moves the same functionality
inside modpost and the scripts are then obsoleted.
They will though be kept for a while so users can do double
checks - but note that some .o files are skipped by the perl scripts
so result is not 1:1.
All credit for the concept goes to Keith Owens who implemented
the original perl scrips - this patch just moves it to modpost.

Compared to the perl script the implmentation in modpost will be run
for each kernel build - thus catching the error much sooner, but
the downside is that the individual .o file are not always identified.
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
      b39927cf
    • S
      kbuild: run depmod when installing external modules · a67dc21a
      由 Sam Ravnborg 提交于 
      Following patch enables depmod support when installing external modules.
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
      a67dc21a
    • S
      kbuild: avoid stale modules in $(MODVERDIR) for external modules · fb3cbd2e
      由 Sam Ravnborg 提交于 
      To avoid stale modules located in $(MODVERDIR) aka .tmp_versions/
always delete the directory when building an external module.
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
      fb3cbd2e
    • M
      kbuild: Accept various mips sub-types in SUBARCH · 8999257c
      由 Martin Michlmayr 提交于 
      uname -m on MIPS can give a number of results, such as mips64.  We
need to add another substitution to the sed call for SUBARCH in the
main Makefile.
Signed-off-by: NMartin Michlmayr <tbm@cyrius.com>
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
      8999257c
    • Z
      x86: align per-cpu section to configured cache bytes · 379b5441
      由 Zach Brown 提交于 
      This matches the fix for a bug seen on x86-64.  Test booted on old hardware
that had 32 byte cachelines to begin with.
Signed-off-by: NZach Brown <zach.brown@oracle.com>
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
      379b5441
    • S
      kbuild: warn about duplicate exported symbols · 8e70c458
      由 Sam Ravnborg 提交于 
      In modpost introduce a check for symbols exported twice.
This check caught only one victim (inet_bind_bucket_create) for
which a patch is already sent to netdev.
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
      8e70c458
    • S
      kbuild: improved modversioning support for external modules · 040fcc81
      由 Sam Ravnborg 提交于 
      With following patch a second option is enabled to obtain
symbol information from a second external module when a
external module is build.
The recommended approach is to use a common kbuild file but
that may be impractical in certain cases.
With this patch one can copy over a Module.symvers from one
external module to make symbols (and symbol versions) available
for another external module.

Updated documentation in Documentation/kbuild/modules.txt
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
      040fcc81
    • S
      kbuild: apply CodingStyle to modpost.c · 5c3ead8c
      由 Sam Ravnborg 提交于 
      Just some light CodingStyle updates - no functional changes.
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
      5c3ead8c
    • S
      kbuild: use warn()/fatal() consistent in modpost · cb80514d
      由 Sam Ravnborg 提交于 
      modpost.c provides warn() and fatal() - so use them all over the place.
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
      cb80514d
    • S
      kbuild: support building individual files for external modules · 06300b21
      由 Sam Ravnborg 提交于 
      Support building individual files when dealing with separate modules.
So say you have a module named "foo" which consist of two .o files bar.o
and fun.o.

You can then do:
make -C $KERNELSRC M=`pwd` bar.o
make -C $KERNELSRC M=`pwd` bar.lst
make -C $KERNELSRC M=`pwd` bar.i
make -C $KERNELSRC M=`pwd` /            <= will build all .o files
                                           and link foo.o
make -C $KERNELSRC M=`pwd` foo.ko       <= will build the module
                                           and do the modpost step
					   to create foo.ko

The above will also work if the external module is placed in a
subdirectory using a hirachy of kbuild files.
Thanks to Andreas Gruenbacher <agruen@suse.de> for initial feature
request / bug report.
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
      06300b21
  3. 18 2月, 2006 27 次提交