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    SubjectRe: [PATCH 2 of 4] Introduce i386 fibril scheduling
    An idiot using my keyboard wrote:
    > - AIO requests that are serviced from cache ought to immediately
    > invoke the callback, in the same thread context as the caller, fixing
    > up the stack so that the callback returns to the instruction following
    > the syscall. That way the "immediate completion" path through the
    > callback can manipulate data structures, allocate memory, etc. just as
    > if it had followed a synchronous call.

    Or, of course:
    if (async_stat(entry) == 0) {
    ... immediate completion code path ...

    Ugh. But I think the discussion about the delayed path still holds.

    - Michael
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      Last update: 2007-02-07 10:39    [W:0.019 / U:1.768 seconds]
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