From: Alex Nixon <alex.nixon@citrix.com>
Date: Wed, 20 Aug 2008 03:50:53 +0000 (-0700)
Subject: xen: fix memory access violation bug when CONFIG_HAVE_SPARSE_IRQ is enabled
X-Git-Tag: v2.6.28-rc1~80^2~99
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b46b37de73296018da02c2a421ac2a9cbccfa9f;p=pandora-kernel.git

xen: fix memory access violation bug when CONFIG_HAVE_SPARSE_IRQ is enabled

When sparse IRQs are enabled, it is not safe to assume an IRQ descriptor
exists for every possible IRQ.  This patch causes init_evtchn_cpu_bindings
to skip initialisation of IRQ descriptors which don't exist.

Signed-off-by: Alex Nixon <alex.nixon@citrix.com>
Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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