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    SubjectRe: StackPages errors (CALLTRACE)

    > > There has also been a patch on L-K which implments CMOV on prior-PPro
    > > processors. john
    > It has a hideous overhead. Just dont use cmov blindly in kernels. The kernel
    > stuff will take care not to let the compiler stick cmov instructions into
    > a non ppro+ kernel

    Not only nasty overhead but potential nasty implications. You get
    exception where you'd normaly get simple instruction. Do NOT use cmov
    emulation for kernel.
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