[RFC PATCH v3 08/59] KVM: Export kvm_io_bus_read for use by TDX for PV MMIO

isaku.yamahata
2021-11-25T00:21:26Z

From: Sean Christopherson <sean.j.christopherson@intel.com>

Later kvm_intel.ko will use it.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
---
virt/kvm/kvm_main.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index d31724500501..d8e799eeef8d 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -4994,6 +4994,7 @@ int kvm_io_bus_read(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, gpa_t addr,
r = __kvm_io_bus_read(vcpu, bus, &range, val);
return r < 0 ? r : 0;
}
+EXPORT_SYMBOL_GPL(kvm_io_bus_read);

/* Caller must hold slots_lock. */
int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
--
2.25.1