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    SubjectRe: Define __raw_read_lock etc for uniprocessor builds

    * Arjan van de Ven <arjan@infradead.org> wrote:

    > > 2) The _raw versions are intended to be used in places where it is
    > > known that preemption is already disabled, so that the overhead of
    > > re-disabling/enabling it can be avoided.
    >
    > that's not true either. If it was, then the name would have been
    > different.

    indeed. The __raw versions are _not_ to be used by anything else but the
    generic spinlock code. (There's one other stray use by PARISC, but that
    is justified.)

    [ the -rt tree makes use of 'raw_' spinlocks, but they are totally
    different things. ]

    Ingo
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