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    SubjectRe: [PATCH 2.6.16-rc6-xen] export Xen Hypervisor attributes to sysfs
    FromArjan van de Ven <>
    DateTue, 21 Mar 2006 08:14:29 +0100
    On Mon, 2006-03-20 at 18:35 -0500, Mike D. Day wrote:
    > Creates a module that exports Xen Hypervisor attributes to sysfs. The
    > module has a tri-state configuration so it can be a loadable module.
    > 
    > Views the hypervisor as hardware device, uses sysfs as  a scripting
    > interface for user space tools that need these attributes.
    > 
    > Some user space apps, particularly for systems management, need to
    > know if their kernel is running in a virtual machine and if so in
    > what type of virtual machine. This property is contained in the
    > file /sys/hypervisor/type.
    > 
    > The file hypervisor_sysfs.c creates a generic  hypervisor subsystem
    > that can be linked to by any hypervisor. The file xen_sysfs.c exports
    > the xen-specific attributes.
    > 
    > signed-off-by: Mike D. Day <ncmike@us.ibm.com>
    > 
    > ---
    > Initial directory = /sys/hypervisor
    > +---compilation
    > |   >---compile_date
    > |   >---compiled_by
    > |   >---compiler
    > +---properties
    > |   >---capabilities
    > |   >---changeset
    
    how is this a property and not part of version?
    
    > |   >---virtual_start
    > |   >---writable_pt
    > >---type
    > +---version
    > |   >---extra
    > |   >---major
    > |   >---minor
    > 
    
    
    again what is the justification of putting this in the kernel? I though
    everyone here was agreed that since the management tools that need this
    talk to the hypervisor ANYWAY, they might as well just ask this
    information as well....
    
    
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