From: Chris Metcalf <cmetcalf@tilera.com>
Date: Mon, 28 Feb 2011 18:32:14 +0000 (-0500)
Subject: arch/tile: warn and retry if an IPI is not accepted by the target cpu
X-Git-Tag: v2.6.39-rc1~431^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bbeee4b2815dd318e9ec9d092d7f79061cc8ba36;p=pandora-kernel.git

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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