From bbeee4b2815dd318e9ec9d092d7f79061cc8ba36 Mon Sep 17 00:00:00 2001
From: Chris Metcalf <cmetcalf@tilera.com>
Date: Mon, 28 Feb 2011 13:32:14 -0500
Subject: [PATCH] arch/tile: warn and retry if an IPI is not accepted by the
 target cpu

Previously we assumed this was impossible, but in fact it can happen.
Handle it gracefully by retrying after issuing a warning.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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