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SubjectRe: [patch] new spinlock variant, spinlock-2.3.30-A4
Tuesday, November 30, 1999 10:50 PM
Ingo Molnar <> wrote :

> yes, true. Keep in mind that this only affects the slow path. The above
> spinlock would be implemented as a function anyway (we do not want to
> inline it), and in that case the slow path can eg. use queued spinlocks
> (spinlock chains through on-stack variables) or exponential backoff, or
> whatever technique.

OK, I've misunderstood that the code You suggested was a replacement of the
"lock" one
while this is only a fast test, failing it CPUs falls executing the "lock"


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