Messages in this thread | | | Subject | Re: USB device allocation | Date | Tue, 05 Oct 1999 16:20:05 -0700 | From | Zack Weinberg <> |
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Jeff Garzik wrote: > David Weinehall wrote: > > Oh, and have you actually ever tried a system running devfs (such as a > > kernel patched with Richard Gooch' patch, or a Solaris-system), or? > > Is Solaris dynamic? I'm pretty sure 'boot -r' or creating > /etc/reconfigure causes a boot script to scan the hardware and creates > device nodes as needed. That's an entirely userland solution which > keeps /dev nice and trim.
Yes, Solaris does effectively this.
The scripts it uses are extremely fragile and have this nasty tendency to believe a previous /devices instead of the hardware probe; worse, you have to be able to mount /usr before they can run. I'm sure that equivalent functionality could be implemented in a more robust fashion, however.
You'd have to have some way of getting the device list out of the kernel in the first place - I don't think we have that yet.
zw
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