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    SubjectRe: [PATCH][2.5.32] CPU frequency and voltage scaling (0/4)
    Linus Torvalds wrote:
    >
    > In article <1030618420.7290.112.camel@irongate.swansea.linux.org.uk>,
    > Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
    > >> { min-Hz, max-Hz, policy }
    > >>
    > >
    > >For a few of the processors "event-hz" or similar would be nice. The
    > >Geode supports hardware assisted bursting to full processor speed when
    > >doing SMM, I/O and IRQ handling.
    >
    > Hmm.. I would assume that you'd just use the high frequency for that?
    > So, for example, assuming you have a 600/300 Geode, when you do
    >
    > { 0, ~0UL, "power-save" }
    >
    > that would tell the Geode driver to run at 300MHz normally
    > ("power-save"), and at 600Mhz when doing critical events.
    >
    > In contrast, a
    >
    > { 0, ~0UL, "performance" }
    >
    > mode would mean that it always runs at 600MHz (modulo heat throttling,
    > of course).
    >
    > And a
    >
    > { 300, 300, "power-save" }

    How about { 50, 50, "power-save" } where the number refers
    to percent of full?
    I.e. same meaning IFF full is 600, but suppose it is 800.
    >
    > means that you want the chip to always run at 300MHz, even when handling
    > critical events.
    >
    > I don't know the exact details of what kinds of frequencies the Geode
    > supports, but it sounds to me like you don't really need another
    > frequency value..
    >
    > Linus
    > -
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