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    SubjectRe: broken local_t on i386
    On Mon, 12 Jun 2006, Andi Kleen wrote:

    > > I thought you had some funky segment registers on i386 and x86_64. Cant
    > > they be switched on context switch? If an inc/dec could work relative to
    > > those then you would not need a virtual mapping.
    > The segment register needs an offset. So you need the linker to generate
    > the offset from the base of the per cpu segment somehow. At compile time the
    > address is not known so it cannot be done then.

    Define something like a big struct and use offsetof?

    So the compiler is not able to generate an offset to the beginning of a
    data segment?
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      Last update: 2006-06-12 21:18    [W:0.021 / U:9.708 seconds]
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