GSI should not be allocated for other purpose, so change
the hard code limit.
Also fix the out of loop checking, it should be ''<'' instead
of
''==''.
Signed-off-by: Qing He <qing.he@intel.com>
---
diff -r e8004f6c254a xen/arch/x86/irq.c
--- a/xen/arch/x86/irq.c Thu Aug 27 11:25:34 2009 +0100
+++ b/xen/arch/x86/irq.c Fri Aug 28 14:06:43 2009 +0800
@@ -1254,10 +1254,10 @@ int get_free_pirq(struct domain *d, int
}
else
{
- for ( i = d->nr_pirqs - 1; i >= 16; i-- )
+ for ( i = d->nr_pirqs - 1; i >= nr_irqs_gsi; i-- )
if ( !d->arch.pirq_irq[i] )
break;
- if ( i == 16 )
+ if ( i < nr_irqs_gsi )
return -ENOSPC;
}
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