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    SubjectRe: Modularized x86 math emulation PATCH against pre-2.1.104-1
    On Sun, 24 May 1998, Adam J. Richter wrote:

    > Here is an untested patch that modularizes x86 math emulation.
    > It includes kmod support, so that the kernel can be made to automatically
    > load the math_emu module when a program starts executing floating point
    > instructions, and "kmod -a" will unload the module if no floating point
    > code has been run for a while.
    >
    > There are two significant advantages to the modularization
    > of x86 math emulation:
    >
    > 1. Users of 386's are likely also to have limited RAM
    > resources. Under this arrangement, the ~100kB
    > used by math emulation is only occupied when a
    > floating point program has recently run. At other
    > times, the memory is free for other purposes.

    So what happens when the system is low on memory (ie less than 100K
    available with kswapd in a frenzy) and FPU is needed? Or is having ~100kB
    free not an issue?

    +----------------------+----------------------------------------+
    | bytor@logicsouth.com | UNIX _is_ user-friendly. It's just not |
    | By-Tor@EfNet | ignorant-friendly and idiot-friendly. |
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