2016-10-27 20:09 GMT+03:00 Dmitry Safonov <dsafonov@xxxxxxxxxxxxx>:
> Changes since v1, v2:
> - use vdso64_pages only under CONFIG_PPC64 (32-bit build fix)
> - remove arch_vma_name helper as not needed anymore,
> simplify vdso_base pointer initializing in map_vdso()
>
> Cleanup patches for vDSO on powerpc.
> Originally, I wanted to add vDSO remapping on arm/aarch64 and
> I decided to cleanup that part on powerpc.
> I've add a hook for vm_ops for vDSO just like I did for x86,
> which makes cross-arch arch_mremap hook no more needed.
> Other changes - reduce exhaustive code duplication by
> separating the common vdso code.
>
> No visible to userspace changes expected.
> Tested on qemu with buildroot rootfs.
>
> Dmitry Safonov (8):
> powerpc/vdso: unify return paths in setup_additional_pages
> powerpc/vdso: remove unused params in vdso_do_func_patch{32,64}
> powerpc/vdso: separate common code in vdso_common
> powerpc/vdso: introduce init_vdso{32,64}_pagelist
> powerpc/vdso: split map_vdso from arch_setup_additional_pages
> powerpc/vdso: switch from legacy_special_mapping_vmops
> mm: kill arch_mremap
> powerpc/vdso: remove arch_vma_name
>
> arch/alpha/include/asm/Kbuild | 1 -
> arch/arc/include/asm/Kbuild | 1 -
> arch/arm/include/asm/Kbuild | 1 -
> arch/arm64/include/asm/Kbuild | 1 -
> arch/avr32/include/asm/Kbuild | 1 -
> arch/blackfin/include/asm/Kbuild | 1 -
> arch/c6x/include/asm/Kbuild | 1 -
> arch/cris/include/asm/Kbuild | 1 -
> arch/frv/include/asm/Kbuild | 1 -
> arch/h8300/include/asm/Kbuild | 1 -
> arch/hexagon/include/asm/Kbuild | 1 -
> arch/ia64/include/asm/Kbuild | 1 -
> arch/m32r/include/asm/Kbuild | 1 -
> arch/m68k/include/asm/Kbuild | 1 -
> arch/metag/include/asm/Kbuild | 1 -
> arch/microblaze/include/asm/Kbuild | 1 -
> arch/mips/include/asm/Kbuild | 1 -
> arch/mn10300/include/asm/Kbuild | 1 -
> arch/nios2/include/asm/Kbuild | 1 -
> arch/openrisc/include/asm/Kbuild | 1 -
> arch/parisc/include/asm/Kbuild | 1 -
> arch/powerpc/include/asm/mm-arch-hooks.h | 28 --
> arch/powerpc/kernel/vdso.c | 502 +++++--------------------------
> arch/powerpc/kernel/vdso_common.c | 248 +++++++++++++++
> arch/s390/include/asm/Kbuild | 1 -
> arch/score/include/asm/Kbuild | 1 -
> arch/sh/include/asm/Kbuild | 1 -
> arch/sparc/include/asm/Kbuild | 1 -
> arch/tile/include/asm/Kbuild | 1 -
> arch/um/include/asm/Kbuild | 1 -
> arch/unicore32/include/asm/Kbuild | 1 -
> arch/x86/include/asm/Kbuild | 1 -
> arch/xtensa/include/asm/Kbuild | 1 -
> include/asm-generic/mm-arch-hooks.h | 16 -
> include/linux/mm-arch-hooks.h | 25 --
> mm/mremap.c | 4 -
> 36 files changed, 324 insertions(+), 529 deletions(-)
> delete mode 100644 arch/powerpc/include/asm/mm-arch-hooks.h
> create mode 100644 arch/powerpc/kernel/vdso_common.c
> delete mode 100644 include/asm-generic/mm-arch-hooks.h
> delete mode 100644 include/linux/mm-arch-hooks.h
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