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    SubjectRe: [RFC 2/2] serial/8250.c: Use self-adjusting list for port poll order.
    > This code does that by using the previous poll cycles as a hint.
    > If a port is idle, it will migrate to the end of the list and
    > only have to be checked once.
    > Part 1 changed the list to singly-linked to make the list shuffling easier.
    > Comments? Please?

    Is it really worth the complexity

    - PCI ports are shared IRQ always
    - Legacy ports are almost never shared IRQ on the LPC bus (and are
    increasingly going away)

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      Last update: 2008-11-14 22:49    [W:0.032 / U:13.556 seconds]
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