Re: [patch]2.4.0-test6 "spinlock" preemption patch

[Andrea Arcangeli]

On Tue, 12 Sep 2000, Alan Cox wrote:

>That code example can in theory deadlock without any patches if the CPU's

Woops I really meant:

        while (test_and_set_bit(0, &lock));
        /* critical section */
        mb();
        clear_bit(0, &lock);

Andrea

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