Re: [Xen-devel] [PATCH] abstract request_evtchn

[Arun Sharma <arun.sharma@xxxxxxxxx>]

Keir Fraser wrote:
> On 1 Aug 2005, at 23:32, Matt Chapman wrote:
>
> > This patch provides request_evtchn and free_evtchn, intended
> > to be used instead of bind_evtchn_to_irq/request_irq and
> > free_irq/unbind_evtchn_from_irq.  This allows architectures
> > to implement event channels as they see fit, not necessarily
> > using Linux IRQs.
>
> Why would you not hook into the IRQ subsystem? This doesn't seem like a 
> useful patch to me.
This abstraction is useful for getting VBD/VNIF working as modules on 
unmodified Linux running on VT domains (both x86 and ia64).
        -Arun

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