Messages in this thread | | | Date | Thu, 25 Jun 1998 12:54:21 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: pre-patch-2.1.107 breaks kmod |
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On Thu, 25 Jun 1998, Alan Cox wrote: > > The patch does fix a real problem, though. Some kind of re-entrancy block > > is needed to make sure that there aren't two copies of "insmod" trying to > > insert the same module at the same time. It is possible that this > > Why ? > > One of the insmod requests will fail. All that matters is that the registering > in module namespace is atomic, not that we load a module twice and one bales
Have you actually tried it?
The problem is that without the lock, it _isn't_ atomic.
Linus
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