Re: [Xen-devel] simple backend, frontend

["Mark A. Williamson" <mark.williamson@xxxxxxxxxxxx>]

>  can u tell me in which file is the api to perform operations on a
> shared event channel? is it in xen/common/event_channel.c or is it in

That one implements Xen's handling of event channel ops - you don't need to 
interact with it directly.

> linux-2.6.9-xen-sparse/drivers/xen/evtchn/evtchn.c or

That provides the event channel to userspace interaction - Xend uses it but 
you don't need to.

> linux-2.6.9-xen-sparse/arch/xen/kernel/evtchn.c

That's the one in kernel users will call into.

> further more why arent these files in the linux-2.4.27-xen-sparse
> directory? (everything works fine so it is not a prob - but i thought
> the same file structure might have been followed for 2.4 and 2.6)

There's some magic that symlinks files from the 2.6 tree into the right place.  
I've never tried to figure out how it works, though ;-)

HTH,
Mark


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