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    SubjectRe: [PATCH 00/15] Add support for clang LTO
    On Sat, Nov 04, 2017 at 02:13:04AM +0000, Mark Rutland wrote:
    > On Fri, Nov 03, 2017 at 12:56:47PM -0700, Sami Tolvanen wrote:
    > > On Fri, Nov 03, 2017 at 07:26:35PM +0000, Mark Rutland wrote:
    > > > I guess that in Google you haven't tested on a platform with EL2
    > > > available?
    > >
    > > Correct. I'll look into this and include a fix in v2. Does this work on a
    > > clang build without LTO?
    >
    > I saw this on v4.14-rc7, with patch 7 (-mno-implicit-float), but no other
    > patches from this series (i.e. no LTO).


    Add -fno-jump-tables to ccflags-y of arch/arm64/kvm/hyp/Makefile.
    Without this option, clang generates a branch instruction (br x11)
    to an absolute (EL1) virtual address.

    -Takahiro AKASHI

    > Thanks,
    > Mark.

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