[Xen-devel] [RFC Patch 24/25] fix vm entry fail

[Wen Congyang <wency@xxxxxxxxxxxxxx>]

In colo mode, secondary vm is running, so VM_ENTRY_INTR_INFO may
valid before restoring vmcs. If there is no pending event after
restoring vm, we should clear it.

Signed-off-by: Wen Congyang <wency@xxxxxxxxxxxxxx>
---
 xen/arch/x86/hvm/vmx/vmx.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/xen/arch/x86/hvm/vmx/vmx.c b/xen/arch/x86/hvm/vmx/vmx.c
index 2caa04a..eb73412 100644
--- a/xen/arch/x86/hvm/vmx/vmx.c
+++ b/xen/arch/x86/hvm/vmx/vmx.c
@@ -526,6 +526,13 @@ static int vmx_vmcs_restore(struct vcpu *v, struct 
hvm_hw_cpu *c)
             vmx_vmcs_exit(v);
         }
     }
+    else
+    {
+        vmx_vmcs_enter(v);
+        __vmwrite(VM_ENTRY_INTR_INFO, 0);
+        __vmwrite(VM_ENTRY_EXCEPTION_ERROR_CODE, 0);
+        vmx_vmcs_exit(v);
+    }
 
     return 0;
 }
-- 
1.9.3


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