Messages in this thread | | | Date | Thu, 17 Feb 2000 17:56:39 +1100 | From | Richard Gooch <> | Subject | Re: [patch-2.3.46-p2] P6 microcode update support |
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H. Peter Anvin writes: > Followup to: <200002162304.KAA05769@mobilix.atnf.CSIRO.AU> > By author: Richard Gooch <rgooch@ras.ucalgary.ca> > In newsgroup: linux.dev.kernel > > > > > c) whether kernel has update support or not is determined by whether > > > the minor=184 is accessible (perhaps by loading a driver) or not. > > > /proc does not make things much easier. > > > > It's much friendlier to the sysadmin or script writer to list the > > directory or test for the file than to do a speculative open. I don't > > know of a standard programme (say part of shell utils) that does this. > > Isn't that how devfs expects to do module autoloading?
Nope. Autoloading is done when you lookup a non-existent inode. So:
if [ -e /dev/cpu/microcode ]; then blah...; fi
will work.
Regards,
Richard.... Permanent: rgooch@atnf.csiro.au Current: rgooch@ras.ucalgary.ca
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