[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] [RFC] sysfs support for xen linux
On Wed, 2006-01-11 at 10:50 -0600, Anthony Liguori wrote: > Mark Williamson wrote: > > >>Yes, true. I think privcmd might be more appropriate for /proc, but > >>would like to see how it works as a binary file under /sys. ioctl's are > >>not supported by sysfs that I can see, so privcmd would have to be a > >>read/write interface. > >> > >>Regardless of privcmd there are numerous simple attributes related to > >>Xen that are consistent with "zen" of sysfs. :-) > >> > >> > > > >Agreed. It's an ideal place for many of the things that are in proc, and > >many > >things we'd want to add in the future. > > > >You could possibly abuse sysfs into supporting ioctl but I'm pretty sure the > >kernel people would find that quite distressing ;-) I had the impression > >binary files under sysfs were also a no-no (all meant to be cat-able - > >addressing one of the other problems of /proc), but I could be mistaken. > > > > > There was a discussion a while back about this. > > http://permalink.gmane.org/gmane.comp.emulators.xen.devel/14273 > > I think the consensus was to move any ioctl interface to a char device > and everything else to sysfs. > > You'll probably want a proper kobject hierarchy too which means working > with GKH et al to figure out where out stuff should be > (/sys/hypervisor/xen??) I think it would be a good idea if you included lkml in on your discussions. Why not get their opinions early rather than late? Thanks, Dan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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