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    SubjectRe: exception tables in 2.5.55

    On Mon, 13 Jan 2003, Greg Ungerer wrote:
    >
    > Tested and working on m68knommu architecture.

    Why does exceptions have anything to do with no-mmu?

    There are exceptions that have nothing to do with MMU's, and a no-mmu
    architecture should still support them. On x86, we have a number of such
    exceptions, for example general protection stuff for wrong values for
    special registers etc.

    In other words, not applied. Page table exceptions are just the most
    _common_ exception type, but there's absolutely nothing in the mechanism
    that has anything at all to do with MMU-less.

    If some archtiecture happens to have an empty exception table, that's
    fine.

    Linus

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