On Thu, 10 Dec 1998 16:25:35 +1100, Richard Gooch <rgooch@atnf.csiro.au> said:
> Has he only looked at the 2.0.x series? In 2.1.x the global kernel
> lock is held *while the task is running*. In other words, if the
> reading process has been context switched out (while waiting for data
> to be read from media) then it gives up the global kernel lock.
So does 2.0. We've never done it any other way.
> In 2.3.x even this grabbing of the global kernel lock will be
> removed. Currently, the situation is not as bad as the author made
> out.
In 2.1, even this much grabbing of the global lock has already been
eliminated for many key performance bottlenecks such as interrupt
delivery and process scheduling.
--Stephen
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