Commit bf9d3cf7 authored Aug 18, 2008 by Alex Nixon Committed by Ingo Molnar Oct 16, 2008

xen: Fix bug `do_IRQ: cannot handle IRQ -1 vector 0x6 cpu 1'

Following commit 9c3f2468d8339866d9ef6a25aae31a8909c6be0d, do_IRQ()
looks up the IRQ number in the per-cpu variable vector_irq.

This commit makes Xen initialise an identity vector_irq map for both X86_32 and X86_64.

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>

parent e7f5ed8d

arch/x86/xen/irq.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -21,7 +21,6 @@ void xen_force_evtchn_callback(void)

		static void __init __xen_init_IRQ(void)
		{
		#ifdef CONFIG_X86_64
		int i;

		/* Create identity vector->irq map */
		@@ -31,7 +30,6 @@ static void __init __xen_init_IRQ(void)
		for_each_possible_cpu(cpu)
		per_cpu(vector_irq, cpu)[i] = i;
		}
		#endif /* CONFIG_X86_64 */

		xen_init_IRQ();
		}