[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] x86: allow IRQs to work without APIC again
Non-IO-APIC IRQs must get 1:1 mapped between domain PIRQ and Xen IRQ. Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx> --- 2009-09-21.orig/xen/arch/x86/domain.c 2009-07-10 13:58:50.000000000 +0200 +++ 2009-09-21/xen/arch/x86/domain.c 2009-09-21 17:54:17.000000000 +0200 @@ -496,6 +496,10 @@ int arch_domain_create(struct domain *d, memset(d->arch.irq_pirq, 0, nr_irqs * sizeof(*d->arch.irq_pirq)); + for ( i = 1; platform_legacy_irq(i); ++i ) + if ( !IO_APIC_IRQ(i) ) + d->arch.irq_pirq[i] = d->arch.pirq_irq[i] = i; + if ( (rc = iommu_domain_init(d)) != 0 ) goto fail; _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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