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    SubjectRe: [tip:x86/asm] x86/i386: Make sure stack-protector segment base is cache aligned
    On 09/04/2009 09:04 AM, Jeremy Fitzhardinge wrote:
    >
    > Ideally we'd like to get rid of the constant offset too. If we could
    > change it to %[fg]s:__gcc_stack_canary_offset on both 32-bit and 64-bit,
    > it would give us a lot more flexibility. __gcc_stack_canary_offset
    > could be weakly defined to 20/40 for backwards compatibility, but we
    > could override it to point to a normal percpu variable.
    >

    Yes, although that definitely means starting the gcc pipeline from scratch.

    -hpa

    --
    H. Peter Anvin, Intel Open Source Technology Center
    I work for Intel. I don't speak on their behalf.



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