Re: [RFC] Cleaning up /proc/xen

[NAHieu <nahieu@gmail.com>]

On 9/8/05, Anthony Liguori <aliguori@us.ibm.com> wrote:
> Today, in /proc/xen we have:
> 
> /proc/xen/balloon  -   displays information about memory allocations and
> allows for ballooning by echoing a byte value into file
> 
> /proc/xen/privcmd  -  allows for userspace invocation of hypercalls and
> mapping of other domains memory
> 
> /proc/xen/grant   -   allows grant table operations to be accessed from
> userspace
> 
> /proc/xen/xenbus  -   allows xenbus to be accessed from userspace (in domUs)
> 
> I propose we do the following:
> 
> Change /proc/xen/{privcmd,grant,xenbus} to character devices (that use
> random major/minors; we'll always access them by name).  We have a few
> options for /proc/xen/balloon.  We could:
> 
> 1) Get rid of it completely--not sure it's a good idea but it's been
> suggested since it's redundant (in dom0 at least).
> 2) Move it to /proc/sys/
> 3) Move it to /sys/xen
> 

The good thing about /proc is that we do not need to register any
major/minor stuffs (which is very annoying), like what we do with
device.

So I vote for moving things to under /sys. But hold on, that would not
be compatible with others OS like *BSD, correct ?


Thanks,
Hieu.