From: Tiejun Chen <tiejun.chen@windriver.com>
Date: Tue, 15 Jan 2013 17:01:19 +0000 (+0000)
Subject: powerpc: Max next_tb to prevent from replaying timer interrupt
X-Git-Tag: v3.8-rc6~15^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=689dfa894c57842a05bf6dc9f97e6bb71ec5f386;p=pandora-kernel.git

powerpc: Max next_tb to prevent from replaying timer interrupt

With lazy interrupt, we always call __check_irq_replaysome with
decrementers_next_tb to check if we need to replay timer interrupt.
So in hotplug case we also need to set decrementers_next_tb as MAX
to make sure __check_irq_replay don't replay timer interrupt
when return as we expect, otherwise we'll trap here infinitely.

Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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