Messages in this thread | | | Date | Mon, 25 Feb 2002 11:35:15 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: [PATCH] __free_pages_ok oops |
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On Mon, 25 Feb 2002, Benjamin LaHaise wrote: > > I disagree: requiring aio to execute completion in user context means > that we can no longer have quick completion directly from an interrupt > handler to a busy server executing in userland.
Note that teh IO _completion_ can happen in user land. That does not mean that the IO page tear-down can (or should) happen at the same time.
There are two issues here: - the data structures supporting the IO, built up and torn down from process space. - the IO itself.
One is synchronous, the other is not.
Linus
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