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xen-devel
[Xen-devel] [PATCH 13/17] xen: initialize irq 0 too
From: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
IRQ 0 is valid, so make sure it gets initialized properly too.
(Though in practice it doesn't matter, because its the timer
interrupt we don't use under Xen.)
[ Impact: theoretical bugfix, cleanup ]
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
---
arch/x86/xen/pci.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/xen/pci.c b/arch/x86/xen/pci.c
index db0c74c..381b7ab 100644
--- a/arch/x86/xen/pci.c
+++ b/arch/x86/xen/pci.c
@@ -53,7 +53,7 @@ int xen_register_gsi(u32 gsi, int triggering, int polarity)
printk(KERN_DEBUG "xen: --> irq=%d\n", irq);
- if (irq > 0)
+ if (irq >= 0)
xen_set_io_apic_routing(irq,
triggering == ACPI_EDGE_SENSITIVE ? 0 :
1,
polarity == ACPI_ACTIVE_HIGH ? 0 : 1);
--
1.6.0.6
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- [Xen-devel] Re: [PATCH 02/17] x86: add io_apic_ops to allow interception, (continued)
- [Xen-devel] [PATCH 03/17] xen: implement io_apic_ops, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 04/17] xen: create dummy ioapic mapping, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 06/17] x86/io_apic: add get_nr_irqs_gsi(), Jeremy Fitzhardinge
- [Xen-devel] [PATCH 07/17] xen/apic: identity map gsi->irqs, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 12/17] xen: use acpi_get_override_irq() to get triggering for legacy irqs, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 09/17] xen: bind pirq to vector and event channel, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 08/17] xen: direct irq registration to pirq event channels, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 05/17] xen: implement pirq type event channels, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 11/17] xen: don't setup acpi interrupt unless there is one, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 13/17] xen: initialize irq 0 too,
Jeremy Fitzhardinge <=
- [Xen-devel] [PATCH 10/17] xen: pre-initialize legacy irqs early, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 14/17] xen: dynamically allocate irq & event structures, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 15/17] xen: set pirq name to something useful., Jeremy Fitzhardinge
- [Xen-devel] [PATCH 16/17] xen: fix legacy irq setup, make ioapic-less machines work., Jeremy Fitzhardinge
- [Xen-devel] [PATCH 17/17] xen: disable MSI, Jeremy Fitzhardinge
- [Xen-devel] Re: [GIT PULL] Xen APIC hooks (with io_apic_ops), Ingo Molnar
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