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    SubjectRe: 2.6.11-rc1-mm1

    Christoph Hellwig wrote:
    > the lockless mode is really just loops around cmpxchg. It's spinlocks
    > reinvented poorly.

    I beg to differ. You have to use different spinlocks depending on
    where you are:
    - serving user-space
    - bh-derivatives
    - irq

    lockless is the same primitive regardless of your current state,
    it's not the same as spinlocks.

    Karim
    --
    Author, Speaker, Developer, Consultant
    Pushing Embedded and Real-Time Linux Systems Beyond the Limits
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