RFC unify init_task
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- v1 RFC Latest19 patches 14 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/19 | add HAVE_ARCH_INIT_TASKarch/ arch/ arch/ +19 more | +30 | 0 replies | |
| 2/19 | add generic kernel/init_task.ckernel/ kernel/ | +40 | 0 replies | |
| 3/19 | x86: convert to generic init_task.carch/ arch/ | +0 | 0 replies | |
| 4/19 | alpha: rename .data.init_thread to .data.init_taskarch/ arch/ | +3 | 0 replies | |
| 5/19 | alpha: convert to generic init_task.carch/ arch/ arch/ | +1 | 0 replies | |
| 6/19 | arm: convert to generic init_task.carch/ arch/ arch/ | +1 | 1 reply | |
| 7/19 | avr32: convert to generic init_task.carch/ arch/ arch/ | +1 | 1 reply | |
| 8/19 | blackfin: convert to generic init_task.carch/ arch/ arch/ | +1 | 1 reply | |
| 9/19 | frv: convert to generic init_task.carch/ arch/ arch/ | +1 | 0 replies | |
| 10/19 | h8300: convert to generic init_task.carch/ arch/ arch/ | +1 | 1 reply | |
| 11/19 | m32r: convert to generic init_task.carch/ arch/ arch/ | +1 | 0 replies | |
| 12/19 | m68knommu: convert to generic init_task.carch/ arch/ arch/ | +1 | 0 replies | |
| 13/19 | mips: convert to generic init_task.carch/ arch/ arch/ | +1 | 2 replies | |
| 14/19 | mn10300: convert to generic init_task.carch/ arch/ arch/ | +1 | 0 replies | |
| 15/19 | parisc: convert to generic init_task.carch/ arch/ | +0 | 0 replies | |
| 16/19 | powerpc: convert to generic init_task.carch/ arch/ arch/ | +1 | 0 replies | |
| 17/19 | s390: convert to generic init_task.carch/ arch/ arch/ | +1 | 0 replies | |
| 18/19 | sh: convert to generic init_task.carch/ arch/ | +0 | 0 replies | |
| 19/19 | xtensa: convert to generic init_task.carch/ arch/ arch/ | +1 | 0 replies |
Reviews trailers per patch
2 of 19 patches have a Reviewed-by or Acked-by.
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Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.
Cover letter [RFC PATCH 00/19] unify init_task
Create a common kernel/init_task.c, and convert low hanging fruit to use it. Architecture maintainers will need to ensure that I didn't break anything before applying the init_task removal patch to their arch.
A few architectures appear to possibly rely on link-ordering (with an extra-y makefile rule) and may need additional linker script rules.
Unconverted architectures so far are m68k (because it doesn't use an explicit init_task.c), ia64 (because it faffs about with init_thread_union), and sparc{,64} (which appear to rely on some magic.)
The other open question is what to do about init_mm, which was supposed to be removed in 2.6.26...
Kyle McMartin (19):
add HAVE_ARCH_INIT_TASK
add generic kernel/init_task.c
x86: convert to generic init_task.c
alpha: rename .data.init_thread to .data.init_task
alpha: convert to generic init_task.c
arm: convert to generic init_task.c
avr32: convert to generic init_task.c
blackfin: convert to generic init_task.c
frv: convert to generic init_task.c
h8300: convert to generic init_task.c
m32r: convert to generic init_task.c
m68knommu: convert to generic init_task.c
mips: convert to generic init_task.c
mn10300: convert to generic init_task.c
parisc: convert to generic init_task.c
powerpc: convert to generic init_task.c
s390: convert to generic init_task.c
sh: convert to generic init_task.c
xtensa: convert to generic init_task.c
arch/Kconfig | 9 +++++ arch/alpha/kernel/Makefile | 2 +- arch/alpha/kernel/init_task.c | 22 ------------- arch/alpha/kernel/vmlinux.lds.S | 4 +- arch/arm/kernel/Makefile | 2 +- arch/arm/kernel/init_task.c | 43 -------------------------- arch/avr32/kernel/Makefile | 2 +- arch/avr32/kernel/init_task.c | 37 ---------------------- arch/blackfin/kernel/Makefile | 2 +- arch/blackfin/kernel/init_task.c | 60 ------------------------------------- arch/cris/Kconfig | 1 + arch/frv/kernel/Makefile | 2 +- arch/frv/kernel/init_task.c | 38 ----------------------- arch/h8300/kernel/Makefile | 2 +- arch/h8300/kernel/init_task.c | 42 -------------------------- arch/ia64/Kconfig | 1 + arch/m32r/kernel/Makefile | 2 +- arch/m32r/kernel/init_task.c | 40 ------------------------ arch/m68k/Kconfig | 1 + arch/m68knommu/kernel/Makefile | 2 +- arch/m68knommu/kernel/init_task.c | 42 -------------------------- arch/mips/kernel/Makefile | 2 +- arch/mips/kernel/init_task.c | 41 ------------------------- arch/mn10300/kernel/Makefile | 2 +- arch/mn10300/kernel/init_task.c | 44 --------------------------- arch/parisc/kernel/init_task.c | 28 ----------------- arch/powerpc/kernel/Makefile | 2 +- arch/powerpc/kernel/init_task.c | 35 --------------------- arch/s390/kernel/Makefile | 2 +- arch/s390/kernel/init_task.c | 44 --------------------------- arch/sh/kernel/init_task.c | 25 --------------- arch/sparc/Kconfig | 1 + arch/sparc64/Kconfig | 1 + arch/x86/kernel/init_task.c | 25 --------------- arch/xtensa/kernel/Makefile | 2 +- arch/xtensa/kernel/init_task.c | 37 ---------------------- kernel/Makefile | 4 ++ kernel/init_task.c | 36 ++++++++++++++++++++++ 38 files changed, 69 insertions(+), 618 deletions(-) delete mode 100644 arch/alpha/kernel/init_task.c delete mode 100644 arch/arm/kernel/init_task.c delete mode 100644 arch/avr32/kernel/init_task.c delete mode 100644 arch/blackfin/kernel/init_task.c delete mode 100644 arch/frv/kernel/init_task.c delete mode 100644 arch/h8300/kernel/init_task.c delete mode 100644 arch/m32r/kernel/init_task.c delete mode 100644 arch/m68knommu/kernel/init_task.c delete mode 100644 arch/mips/kernel/init_task.c delete mode 100644 arch/mn10300/kernel/init_task.c delete mode 100644 arch/powerpc/kernel/init_task.c delete mode 100644 arch/s390/kernel/init_task.c delete mode 100644 arch/xtensa/kernel/init_task.c create mode 100644 kernel/init_task.c