Messages in this thread | | | Date | Tue, 08 Jun 1999 13:02:23 -0700 | From | "H. Peter Anvin" <> | Subject | Re: Migrating to larger numbers |
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Raul Miller wrote: > > Albert D. Cahalan <acahalan@cs.uml.edu> wrote: > > If you have a solution to the above, it can be used to fit everything > > into 32 bits. I suggest dynamic numbers with devfs, but that need not > > be the only way to solve the problem. > > Dynamic numbers will break NFS guarantees when the server reboots. > [And breaking NFS was one of the big arguments for not going to 64 bits.] > Admittedly, not always -- just at the worst possible times. > > A proper solution to the generic problem would be to associate a device > number with a configuration string via user space. >
Dynamic numbers in general are a bad idea, and despite Richard's claims, driver writers do get number allocations from me.
-hpa
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