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    SubjectRe: [crash, bisected] Re: [PATCH 3/4] x86_64: Fold pda into per cpu area
    Eric W. Biederman wrote:
    >>
    >> The zero-based PDA mechanism requires the introduction of a new ELF segment
    >> based at vaddr 0 which is sufficiently unusual that it wouldn't surprise me if
    >> its triggering some toolchain bug.
    >
    > Agreed. Given the previous description my hunch is that the bug is occurring
    > during objcopy. If vmlinux is good and the compressed kernel is bad.
    >

    Actually, it's not all that unusual... it's pretty common in various
    restricted environments. That being said, it's probably uncommon for
    *64-bit* code.

    -hpa


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