From: Anton Blanchard <anton@samba.org>
Date: Tue, 5 Aug 2014 04:55:00 +0000 (+1000)
Subject: powerpc: Hard disable interrupts in xmon
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~65^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a71d64b4dc4067808549935583d984c7fc9ea647;p=pandora-kernel.git

powerpc: Hard disable interrupts in xmon

xmon only soft disables interrupts. This seems like a bad idea - we
certainly don't want decrementer and PMU exceptions going off when
we are debugging something inside xmon.

This issue was uncovered when the hard lockup detector went off
inside xmon. To ensure we wont get a spurious hard lockup warning,
I also call touch_nmi_watchdog() when exiting xmon.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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