[PATCH] xen pvhvm: do not remap pirqs onto evtchns if!xen_have_vector_callback

From: Stefano Stabellini
Date: Mon Jan 30 2012 - 09:30:17 EST



Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index 492ade8..d99346e 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -374,7 +374,7 @@ int __init pci_xen_init(void)

int __init pci_xen_hvm_init(void)
{
- if (!xen_feature(XENFEAT_hvm_pirqs))
+ if (!xen_have_vector_callback || !xen_feature(XENFEAT_hvm_pirqs))
return 0;

#ifdef CONFIG_ACPI
--
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