Re: test6-lowlatency-D1 results: 50msec + hangs ....

From: Philipp Rumpf (prumpf@parcelfarce.linux.theplanet.co.uk)
Date: Sat Aug 05 2000 - 22:21:29 EDT

  • Next message: Alexander Viro: "Re: test6-pre2 loop in ext2_get_block"

    On Sat, Aug 05, 2000 at 06:37:33PM -0700, David S. Miller wrote:
    > while (spin_is_locked(&lock)) {
    > /* Wait for others to release their references. */
    > barrier();
    > }
    >
    > This type of code does happen, what is the correct return value so
    > that spin_is_locked() handles this kind of case?

    0. It's one of the "spin_is_locked_and_the_holder_might_be_someone_else"
    cases. Maybe you misunderstood, but I'm proposing to introduce a new
    function, not change the existing one. Maybe move to a better name for it.

    Or did I miss your point about the code above ?

            Philipp

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