[Xen-devel] [PATCH 3/5] hvmemul_do_io: If the send to the ioreq server failed do not retry.

[Don Slutz <dslutz@xxxxxxxxxxx>]

I.E. do just what no backing DM does.

Signed-off-by: Don Slutz <dslutz@xxxxxxxxxxx>
---
 xen/arch/x86/hvm/emulate.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/xen/arch/x86/hvm/emulate.c b/xen/arch/x86/hvm/emulate.c
index 2ed4344..e9fc070 100644
--- a/xen/arch/x86/hvm/emulate.c
+++ b/xen/arch/x86/hvm/emulate.c
@@ -228,7 +228,11 @@ static int hvmemul_do_io(
         {
             rc = X86EMUL_RETRY;
             if ( !hvm_send_assist_req(&p) )
+            {
+                /* Since the send failed, do not retry */
+                rc = X86EMUL_OKAY;
                 vio->io_state = HVMIO_none;
+            }
             else if ( p_data == NULL )
                 rc = X86EMUL_OKAY;
         }
-- 
1.8.4


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