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openSUSE:Evergreen:11.1
xen
20241-x86-noapic-handling.patch
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File 20241-x86-noapic-handling.patch of Package xen
# HG changeset patch # User Keir Fraser <keir.fraser@citrix.com> # Date 1253604506 -3600 # Node ID be747c582738035889d5f3f9d40051818e1af50e # Parent 8de13ae0a4ee227623df87f69a5f53ea094372d8 x86: allow IRQs to work without APIC again References: bnc#537370 Non-IO-APIC IRQs must get 1:1 mapped between domain PIRQ and Xen IRQ. Signed-off-by: Jan Beulich <jbeulich@novell.com> --- a/xen/arch/x86/domain.c +++ b/xen/arch/x86/domain.c @@ -408,6 +408,13 @@ int arch_domain_create(struct domain *d, share_xen_page_with_guest( virt_to_page(d->shared_info), d, XENSHARE_writable); + for ( i = 1; platform_legacy_irq(i); ++i ) + if ( !IO_APIC_IRQ(i) ) + { + d->arch.vector_pirq[LEGACY_VECTOR(i)] = i; + d->arch.pirq_vector[i] = LEGACY_VECTOR(i); + } + if ( (rc = iommu_domain_init(d)) != 0 ) goto fail; }
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