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    SubjectRe: [PATCH 00/22] add support for Clang LTO
    On Sat, Jul 11, 2020 at 6:32 PM Paul Menzel <pmenzel@molgen.mpg.de> wrote:
    >
    > Dear Sami,
    >
    >
    > Am 24.06.20 um 22:31 schrieb Sami Tolvanen:
    > > This patch series adds support for building x86_64 and arm64 kernels
    > > with Clang's Link Time Optimization (LTO).
    > >
    > > In addition to performance, the primary motivation for LTO is to allow
    > > Clang's Control-Flow Integrity (CFI) to be used in the kernel. Google's
    > > Pixel devices have shipped with LTO+CFI kernels since 2018.
    > >
    > > Most of the patches are build system changes for handling LLVM bitcode,
    > > which Clang produces with LTO instead of ELF object files, postponing
    > > ELF processing until a later stage, and ensuring initcall ordering.
    > >
    > > Note that first objtool patch in the series is already in linux-next,
    > > but as it's needed with LTO, I'm including it also here to make testing
    > > easier.
    >
    > […]
    >
    > Thank you very much for sending these changes.
    >
    > Do you have a branch, where your current work can be pulled from? Your
    > branch on GitHub [1] seems 15 months old.
    >

    Agreed it's easier to git-pull.
    I have seen [1] - not sure if this is the latest version.
    Alternatively, you can check patchwork LKML by searching for $submitter.
    ( You can open patch 01/22 and download the whole patch-series by
    following the link "series", see [3]. )

    - Sedat -

    [1] https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git/log/?h=lto
    [2] https://lore.kernel.org/patchwork/project/lkml/list/?series=&submitter=19676
    [3] https://lore.kernel.org/patchwork/series/450026/mbox/

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