Messages in this thread | | | From | (H. Peter Anvin) | Subject | Re: /proc/pci design idea | Date | 16 Sep 1997 07:55:39 GMT |
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Followup to: <19970915212422.41308@atrey.karlin.mff.cuni.cz> By author: Martin Mares <mj@atrey.karlin.mff.cuni.cz> In newsgroup: linux.dev.kernel > > > > I think these are decent ideas, but I would prefer not going around and > > creating system calls willy-nilly. Entries in /proc use existing system > > calls, and also take care of managing permissions, security restrictions, > > etc. (The pciconfig_write system call on alphas can be executed by anyone, > > for example.) > > > > Only problem is, it requires /proc to be configured in. Oh well, I'm not > > the first and won't be the last. > > Well, doing this via /proc is much slower. And how do you want to separate > byte, word and longword accesses? >
There are things /proc was not meant to do; I/O is one of them -- I/O is much better handled by traditional /dev device nodes.
-hpa
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