Re: [Xen-devel] [RFC] Cleaning up /proc/xen

[Daniel Stekloff <dsteklof@xxxxxxxxxx>]

On Wed, 2005-09-07 at 20:45 -0500, Anthony Liguori 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
> 
> I'm partial to the last option (maybe even /sys/hypervisor/xen--that 
> seems to compliment /sys/firmware).
> 
> Thoughts?


Hi Anthony, 

If you're serious about option 3, it might be a good idea to post to
lkml and cc the sysfs maintainer - Greg KH. He might have some
suggestions.

Thanks,

Dan


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