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    Subject[PATCH 0/7] ARM: hacks for link-time optimization
    Date
    Hi Nico, all,

    I was playing with ARM link-time optimization handling earlier this
    month, and eventually got it to build cleanly with randconfig kernels,
    but ended up with a lot of ugly hacks to actually pull it off.

    Here are the ones that I don't think we actually want to merge,
    but it may be helpful to have these for reference for the next
    person that tries to make it work.

    Arnd

    Arnd Bergmann (7):
    ARM: disallow combining XIP and LTO
    ARM: LTO: avoid THUMB2_KERNEL+LTO
    [HACK] pass endianess flag to LTO linker
    ARM: io-acorn: fix LTO linking without CONFIG_PRINTK
    ARM: fix __inflate_kernel_data stack warning for LTO
    ARM: mark assembler-referenced symbols as __visible
    efi: disable LTO for EFI stub

    arch/arm/Kconfig | 4 +++-
    arch/arm/Makefile | 2 ++
    arch/arm/kernel/Makefile | 3 ---
    arch/arm/kernel/head-inflate-data.c | 3 ++-
    arch/arm/kernel/process.c | 2 +-
    arch/arm/kernel/suspend.c | 2 ++
    arch/arm/kernel/unwind.c | 1 +
    arch/arm/lib/io-acorn.S | 4 ++++
    arch/arm/probes/kprobes/core.c | 2 +-
    arch/arm/probes/kprobes/test-core.c | 11 ++++++-----
    arch/arm/vdso/vgettimeofday.c | 2 ++
    drivers/bus/arm-cci.c | 6 +++---
    drivers/firmware/efi/libstub/Makefile | 4 +++-
    drivers/soc/bcm/brcmstb/pm/pm-arm.c | 2 +-
    lib/clz_ctz.c | 20 ++++++++++----------
    15 files changed, 41 insertions(+), 27 deletions(-)

    --
    2.9.0

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