[Xen-devel] [v2 4/4] Qemu-Xen-vTPM: QEMU machine class is initialized before tpm_init()

[Quan Xu <quan.xu@xxxxxxxxx>]

make sure QEMU machine class is initialized and QEMU has registered
Xen stubdom vTPM driver when call tpm_init()

Signed-off-by: Quan Xu <quan.xu@xxxxxxxxx>
---
 vl.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/vl.c b/vl.c
index f6b3546..dd437e1 100644
--- a/vl.c
+++ b/vl.c
@@ -4114,12 +4114,6 @@ int main(int argc, char **argv, char **envp)
         exit(1);
     }
 
-#ifdef CONFIG_TPM
-    if (tpm_init() < 0) {
-        exit(1);
-    }
-#endif
-
     /* init the bluetooth world */
     if (foreach_device_config(DEV_BT, bt_parse))
         exit(1);
@@ -4225,6 +4219,16 @@ int main(int argc, char **argv, char **envp)
             exit(1);
     }
 
+    /* For compatible with Xen stubdom vTPM driver, make
+     * sure QEMU machine class is initialized and QEMU has
+     * registered Xen stubdom vTPM driver ..
+    */
+#ifdef CONFIG_TPM
+    if (tpm_init() < 0) {
+        exit(1);
+    }
+#endif
+
     /* init generic devices */
     if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) 
!= 0)
         exit(1);
-- 
1.8.3.2


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