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    SubjectRe: [patch] spinlocks: remove 'volatile'
    linux-os (Dick Johnson) wrote:

    > This is used to prevent out-of-order execution, not at all what is
    > necessary.

    I don't think memory barriers prevent out of order execution,
    just out of order loads and stores (which could happen on CPUs
    that do in-order execution).

    SUSE Labs, Novell Inc.
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      Last update: 2006-07-06 19:35    [W:0.019 / U:7.096 seconds]
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