From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Date: Fri, 14 May 2010 11:41:20 +0000 (+0100)
Subject: xen: Fix find_unbound_irq in presence of ioapic irqs.
X-Git-Tag: v2.6.36-rc1~551^2~1^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=99ad198c4978036bb9f7ebd11618b225b77046da;p=pandora-kernel.git

xen: Fix find_unbound_irq in presence of ioapic irqs.

Don't break the assumption that the first 16 irqs are ISA irqs;
make sure that the irq is actually free before using it.

Use dynamic_irq_init_keep_chip_data instead of
dynamic_irq_init so that chip_data is not NULL (a NULL chip_data breaks
setup_vector_irq).

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
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