Re: [RFC][PATCH] irq_work

[Andi Kleen]

On Thu, Jun 24, 2010 at 02:35:37PM +0200, Ingo Molnar wrote:
> All of these solutions use the fact that perf events are a generic event 
> framework. If there's any missing details somewhere then fixes/enhancements 
> can be added - right now our in-kernel event consumers are simple. But the 
> design is sound.

One immediate problem that comes to mind with the proposal 
is that if the event is of a type that cannot be dropped (e.g. an error 
that needs to be handled) then a shared ring buffer cannot guarantee that.

-Andi

-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/