On Tue, Mar 24, 2015 at 03:21:32PM -0400, cmetc...@ezchip.com wrote:
> From: Chris Metcalf <cmetc...@ezchip.com>
> 
> Tile includes a hypervisor hook to deliver messages to arbitrary
> tiles, so we can use that to raise an interrupt as soon as
> possible on our own core.  Unfortunately the Tilera hypervisor
> disabled that support on principle in previous releases, but
> it will be available in MDE 4.3.4 and later.

Can you program a timer in the (recent) past which will instantly
trigger an interrupt? This is what PPC64 does to implement the self-ipi.
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