Re: pre-patch-2.1.107 breaks kmod

H. Peter Anvin (hpa@transmeta.com)
25 Jun 1998 00:21:21 GMT

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Followup to: <Pine.LNX.3.95.980624160026.465B-100000@penguin.transmeta.com>
By author: Linus Torvalds <torvalds@transmeta.com>
In newsgroup: linux.dev.kernel
>
> 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
> re-entrancy block needs to be done by insmod itself, rather than the
> kernel.
>
> Linus
>

This is probably the way it should be done. I suggest insmod use
flock() on the module as synchronization.

-hpa

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