Date: Sun, 6 Aug 2000 02:10:46 +0100
From: Philipp Rumpf <prumpf@parcelfarce.linux.theplanet.co.uk>
> No matter what constant answer you decide to give on UP it will always
> be incorrect. I know, because there were old bits of assertions in
You're right. But no-one actually cares about whether a lock is held -
they care about whether they're holding it or someone else is holding it
or no-one's holding it.
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?
Later,
David S. Miller
davem@redhat.com
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