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  1. 04 Jul, 2009 1 commit
  2. 26 Jun, 2009 2 commits
  3. 24 Jun, 2009 1 commit
  4. 18 Jun, 2009 1 commit
    • Peter Oberparleiter's avatar
      gcov: add gcov profiling infrastructure · 2521f2c2
      Peter Oberparleiter authored
      Enable the use of GCC's coverage testing tool gcov [1] with the Linux
      kernel.  gcov may be useful for:
       * debugging (has this code been reached at all?)
       * test improvement (how do I change my test to cover these lines?)
       * minimizing kernel configurations (do I need this option if the
         associated code is never run?)
      The profiling patch incorporates the following changes:
       * change kbuild to include profiling flags
       * provide functions needed by profiling code
       * present profiling data as files in debugfs
      Note that on some architectures, enabling gcc's profiling option
      "-fprofile-arcs" for the entire kernel may trigger compile/link/
      run-time problems, some of which are caused by toolchain bugs and
      others which require adjustment of architecture code.
      For this reason profiling the entire kernel is initially restricted
      to those architectures for which it is known to work without changes.
      This restriction can be lifted once an architecture has been tested
      and found compatible with gcc's profiling. Profiling of single files
      or directories is still available on all platforms (see config help
      [1] default avatarPeter Oberparleiter <>
      Cc: Andi Kleen <>
      Cc: Huang Ying <>
      Cc: Li Wei <W.Li@Sun.COM>
      Cc: Michael Ellerman <>
      Cc: Ingo Molnar <>
      Cc: Heiko Carstens <>
      Cc: Martin Schwidefsky <>
      Cc: Rusty Russell <>
      Cc: WANG Cong <>
      Cc: Sam Ravnborg <>
      Cc: Jeff Dike <>
      Cc: Al Viro <>
      Signed-off-by: default avatarAndrew Morton <>
      Signed-off-by: default avatarLinus Torvalds <>
  5. 09 Jun, 2009 2 commits
    • Linus Torvalds's avatar
      Linux 2.6.30 · 07a2039b
      Linus Torvalds authored
    • Cheng Renquan's avatar
      kbuild: remove extra ifdef/endif of top Makefile · b8b0618c
      Cheng Renquan authored
      The GNU make's origin function know undefined variable well,
      so the outer ifdef/endif conditional checking is unneeded.
      From `info make` documentation, origin will return
           if VARIABLE was never defined.
        `command line'
           if VARIABLE was defined on the command line.
      Therefore, $(origin V) will get a value anyway, killing ifdef/endif is
      viable and safe.
      Furthermore, I've checked the minimal requirements from
      Documentation/Changes is GNU make 3.79.1, and that version of GNU make
      has support of origin function well already, so now it's safe to kill
      the outer conditional checking, without upgrading the minimal
      Signed-off-by: default avatarCheng Renquan <>
      Signed-off-by: default avatarSam Ravnborg <>
  6. 04 Jun, 2009 1 commit
  7. 02 Jun, 2009 1 commit
  8. 23 May, 2009 1 commit
  9. 15 May, 2009 1 commit
  10. 08 May, 2009 1 commit
  11. 01 May, 2009 2 commits
  12. 29 Apr, 2009 1 commit
  13. 21 Apr, 2009 1 commit
  14. 19 Apr, 2009 1 commit
    • Sam Ravnborg's avatar
      kbuild: support include/generated · f14875a3
      Sam Ravnborg authored
      We need a location for generated files.
      Today they are spread over several places and bringing them
      together to a common place makes it obvious hat is generated
      and what isreal files.
      Al Viro originally suggested: include/gen
      Linus suggested to spell it out.
      This patch implement support for
      All files in include/generated are ignored by git.
      include/generated is removed during "make mrproper".
      With this we are ready to implement support for include/generated
      in the various architctures and in the base kernel.
      Signed-off-by: default avatarSam Ravnborg <>
      Cc: Al Viro <>
      Cc: Linus Torvalds <>
  15. 14 Apr, 2009 1 commit
  16. 11 Apr, 2009 2 commits
  17. 10 Apr, 2009 1 commit
  18. 07 Apr, 2009 1 commit
  19. 23 Mar, 2009 2 commits
    • Linus Torvalds's avatar
      Linux 2.6.29 · 8e0ee43b
      Linus Torvalds authored
    • Kyle McMartin's avatar
      Build with -fno-dwarf2-cfi-asm · 00308649
      Kyle McMartin authored
      With a sufficiently new compiler and binutils, code which wasn't
      previously generating .eh_frame sections has begun to.  Certain
      architectures (powerpc, in this case) may generate unexpected relocation
      formats in response to this, preventing modules from loading.
      While the new relocation types should probably be handled, revert to the
      previous behaviour with regards to generation of .eh_frame sections.
      (This was reported against Fedora, which appears to be the only distro
      doing any building against gcc-4.4 at present: RH bz#486545.)
      Signed-off-by: default avatarKyle McMartin <>
      Acked-by: default avatarRoland McGrath <>
      Cc: Alexandre Oliva <>
      Cc: Sam Ravnborg <>
      Signed-off-by: default avatarLinus Torvalds <>
  20. 19 Mar, 2009 2 commits
  21. 12 Mar, 2009 1 commit
  22. 07 Mar, 2009 2 commits
    • Gilles Espinasse's avatar
      kbuild: remove unused -r option for module-init-tool depmod · 75bccd88
      Gilles Espinasse authored
      Following a thread on busybox mailing list
      depmod -r option is ignored by module-init-tools depmod
      -r option break busybox depmod.
      So the best solution look to remove -r from kernel Makefile
      Signed-off-by: default avatarGilles Espinasse <>
      Signed-off-by: default avatarSam Ravnborg <>
    • Josh Hunt's avatar
      kbuild: fix 'make rpm' when CONFIG_LOCALVERSION_AUTO=y and using SCM tree · b925dbfe
      Josh Hunt authored
      Running 'make rpm' fails when CONFIG_LOCALVERSION_AUTO=y and using a kernel source
      tree under SCM.  This is due to KERNELRELEASE being different when the initial make
      is run and when make is run from rpmbuild.
      mkspec creates kernel.spec using KERNELRELEASE:
      echo "%files"
      echo '%defattr (-, root, root)'
      echo "%dir /lib/modules"
      echo "/lib/modules/$KERNELRELEASE"
      echo "/lib/firmware"
      echo "/boot/*"
      echo ""
      When CONFIG_LOCALVERSION_AUTO=y scripts/setlocalversion is called and grabs any
      additional version info from SCM.  Next, the srctree is tarred up and SCM
      information is excluded.
      rpmbuild reruns make and in the process generates a new include/config/kernel.release
      and thus a new KERNELRELEASE.  However this time the SCM information is gone so
      KERNELRELEASE no longer has the additional version information.  When "make modules_install"
      runs, it uses the new KERNELRELEASE value to determine where to install the modules.
      This conflicts with where the spec file assumes they are going because of the
      mis-matching KERNELRELEASE versions.
      + INSTALL_MOD_PATH=/var/tmp/kernel-2.6.29rc4tip01479g5d85422-root
      + make -j16 modules_install
        INSTALL crypto/aead.ko
        INSTALL crypto/cbc.ko
        INSTALL crypto/chainiv.ko
        INSTALL crypto/crc32c.ko
        INSTALL crypto/crypto_algapi.ko
        INSTALL crypto/crypto_blkcipher.ko
        INSTALL crypto/crypto_hash.ko
        INSTALL crypto/cryptomgr.ko
        INSTALL crypto/ecb.ko
        INSTALL crypto/eseqiv.ko
        INSTALL crypto/krng.ko
        INSTALL crypto/md5.ko
        INSTALL crypto/pcbc.ko
        INSTALL crypto/rng.ko
        INSTALL drivers/block/cciss.ko
        INSTALL drivers/hid/hid-dummy.ko
        INSTALL drivers/scsi/iscsi_tcp.ko
        INSTALL drivers/scsi/libiscsi.ko
        INSTALL drivers/scsi/libiscsi_tcp.ko
        INSTALL drivers/scsi/scsi_transport_iscsi.ko
        INSTALL drivers/scsi/scsi_wait_scan.ko
        INSTALL fs/lockd/lockd.ko
        INSTALL fs/nfs/nfs.ko
        INSTALL fs/nfsd/nfsd.ko
        INSTALL lib/libcrc32c.ko
        INSTALL net/sunrpc/sunrpc.ko
        DEPMOD  2.6.29-rc4-tip
      + cp arch/x86/boot/bzImage
      + cp
      + cp .config
      + cp vmlinux vmlinux.orig
      + bzip2 -9 vmlinux
      + mv vmlinux.bz2
      + mv vmlinux.orig vmlinux
      + /usr/lib/rpm/brp-compress
      Processing files: kernel-2.6.29rc4tip01479g5d85422-2
      error: File not found:
      RPM build errors:
          File not found:
      make[1]: *** [rpm] Error 1
      make: *** [rpm] Error 2
      I have tested this patch on git -tip, Linus' git tree, and the tar files, both
      with and without CONFIG_LOCALVERSION_AUTO=y.
      Signed-off-by: default avatarJosh Hunt <>
      Signed-off-by: default avatarSam Ravnborg <>
  23. 03 Mar, 2009 1 commit
  24. 22 Feb, 2009 1 commit
  25. 15 Feb, 2009 1 commit
  26. 13 Feb, 2009 1 commit
  27. 09 Feb, 2009 1 commit
    • Tejun Heo's avatar
      stackprotector: update make rules · 5d707e9c
      Tejun Heo authored
      Impact: no default -fno-stack-protector if stackp is enabled, cleanup
      Stackprotector make rules had the following problems.
      * cc support test and warning are scattered across makefile and
      * -fno-stack-protector was always added regardless of configuration.
      Update such that cc support test and warning are contained in makefile
      and -fno-stack-protector is added iff stackp is turned off.  While at
      it, prepare for 32bit support.
      Signed-off-by: default avatarTejun Heo <>
      Signed-off-by: default avatarIngo Molnar <>
  28. 08 Feb, 2009 1 commit
  29. 28 Jan, 2009 1 commit
  30. 16 Jan, 2009 2 commits
    • Linus Torvalds's avatar
      Linux 2.6.29-rc2 · 1de9e8e7
      Linus Torvalds authored
    • Sam Ravnborg's avatar
      m68k,m68knommu: merge header files · 49148020
      Sam Ravnborg authored
      Merge header files for m68k and m68knommu to the single location:
      The majority of this patch was the result of the
      script that is included in the changelog below.
      The script was originally written by Arnd Bergman and
      exten by me to cover a few more files.
      When the header files differed the script uses the following:
      The original m68k file is named <file>_mm.h  [mm for memory manager]
      The m68knommu file is named <file>_no.h [no for no memory manager]
      The files uses the following include guard:
      This include gaurd works as the m68knommu toolchain set
      the __uClinux__ symbol - so this should work in userspace too.
      Merging the header files for m68k and m68knommu exposes the
      (unexpected?) ABI differences thus it is easier to actually
      identify these and thus to fix them.
      The commit has been build tested with both a m68k and
      a m68knommu toolchain - with success.
      The commit has also been tested with "make headers_check"
      and this patch fixes make headers_check for m68knommu.
      The script used:
      INCLUDE="cachectl.h errno.h fcntl.h hwtest.h ioctls.h ipcbuf.h \
      linkage.h math-emu.h md.h mman.h movs.h msgbuf.h openprom.h \
      oplib.h poll.h posix_types.h resource.h rtc.h sembuf.h shmbuf.h \
      shm.h shmparam.h socket.h sockios.h spinlock.h statfs.h stat.h \
      termbits.h termios.h tlb.h types.h user.h"
      EQUAL="auxvec.h cputime.h device.h emergency-restart.h futex.h \
      ioctl.h irq_regs.h kdebug.h local.h mutex.h percpu.h \
      sections.h topology.h"
      NOMUUFILES="anchor.h bootstd.h coldfire.h commproc.h dbg.h \
      elia.h flat.h m5206sim.h m520xsim.h m523xsim.h m5249sim.h \
      m5272sim.h m527xsim.h m528xsim.h m5307sim.h m532xsim.h \
      m5407sim.h m68360_enet.h m68360.h m68360_pram.h m68360_quicc.h \
      m68360_regs.h MC68328.h MC68332.h MC68EZ328.h MC68VZ328.h \
      mcfcache.h mcfdma.h mcfmbus.h mcfne.h mcfpci.h mcfpit.h \
      mcfsim.h mcfsmc.h mcftimer.h mcfuart.h mcfwdebug.h \
      nettel.h quicc_simple.h smp.h"
      FILES="atomic.h bitops.h bootinfo.h bug.h bugs.h byteorder.h cache.h \
      cacheflush.h checksum.h current.h delay.h div64.h \
      dma-mapping.h dma.h elf.h entry.h fb.h fpu.h hardirq.h hw_irq.h io.h \
      irq.h kmap_types.h machdep.h mc146818rtc.h mmu.h mmu_context.h \
      module.h page.h page_offset.h param.h pci.h pgalloc.h \
      pgtable.h processor.h ptrace.h scatterlist.h segment.h \
      setup.h sigcontext.h siginfo.h signal.h string.h system.h swab.h \
      thread_info.h timex.h tlbflush.h traps.h uaccess.h ucontext.h \
      unaligned.h unistd.h"
      mergefile() {
      	git mv ${SOURCE}/$1 ${TARGET}/${BASE}_no.h
      	git mv ${TARGET}/$1 ${TARGET}/${BASE}_mm.h
      cat << EOF > ${TARGET}/$1
      	git add ${TARGET}/$1
      set -e
      mkdir -p ${TARGET}
      git mv include/asm-m68k/* ${TARGET}
      rmdir include/asm-m68k
      git rm ${SOURCE}/Kbuild
      for F in $INCLUDE $EQUAL; do
      	git rm ${SOURCE}/$F
      for F in $NOMUUFILES; do
      	git mv ${SOURCE}/$F ${TARGET}/$F
      for F in $FILES ; do
      	mergefile $F
      rmdir arch/m68knommu/include/asm
      rmdir arch/m68knommu/include
      Cc: Arnd Bergmann <>
      Cc: Geert Uytterhoeven <>
      Signed-off-by: default avatarSam Ravnborg <>
      Signed-off-by: default avatarGreg Ungerer <>
  31. 14 Jan, 2009 1 commit
  32. 10 Jan, 2009 1 commit