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kvm-irqchip: simplify kvm_irqchip_add_msi_route

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Changing the original MSIMessage parameter in kvm_irqchip_add_msi_route
into the vector number. Vector index provides more information than the
MSIMessage, we can retrieve the MSIMessage using the vector easily. This
will avoid fetching MSIMessage every time before adding MSI routes.

Meanwhile, the vector info will be used in the coming patches to further
enable gsi route update notifications.

Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Peter Xu
2016-07-14 13:56:30 +08:00
committed by Michael S. Tsirkin
parent ede9c94acf
commit d1f6af6a17
8 changed files with 41 additions and 26 deletions
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2
kvm-stub.c
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@@ -116,7 +116,7 @@ int kvm_on_sigbus(int code, void *addr)
}
#ifndef CONFIG_USER_ONLY
int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg, PCIDevice *dev)
int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev)
{
return -ENOSYS;
}