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    SubjectRe: Linux support for Intel MMX CPU's
    Followup to:  <4vc0sf$>
    By author: (Malcolm Beattie)
    In newsgroup:
    > Linus mentioned that task switching used tricks to be lazy about
    > FPU state saving. I can't find the relevant code right now. Maybe
    > somebody should check that these MMX instructions don't bypass
    > whatever method Linux uses to trigger a forced save of FPU state.

    If the kernel uses fsave/frestore it is OK; these instructions have
    been explicitly amended to support either flavour of FPU state.


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      Last update: 2005-03-22 13:37    [W:0.017 / U:39.656 seconds]
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