From: Yang Zhong <yang.zhong@intel.com>

Need to disable the tcg related code in the vl.c if the
disable-tcg option is added into ./configure command.

Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 vl.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/vl.c b/vl.c
index 611ddfe..1ca6e8f 100644
--- a/vl.c
+++ b/vl.c
@@ -3933,6 +3933,10 @@ int main(int argc, char **argv, char **envp)
                 configure_rtc(opts);
                 break;
             case QEMU_OPTION_tb_size:
+                if (!tcg_enabled()) {
+                    error_report("TCG is disabled");
+                    exit(1);
+                }
                 if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) {
                     error_report("Invalid argument to -tb-size");
                     exit(1);
@@ -4481,7 +4485,9 @@ int main(int argc, char **argv, char **envp)
         qemu_opts_del(icount_opts);
     }
 
-    qemu_tcg_configure(accel_opts, &error_fatal);
+    if (tcg_enabled()) {
+        qemu_tcg_configure(accel_opts, &error_fatal);
+    }
 
     if (default_net) {
         QemuOptsList *net = qemu_find_opts("net");
-- 
1.8.3.1

On 07/03/2017 09:34 AM, Paolo Bonzini wrote:
> From: Yang Zhong<yang.zhong@intel.com>
> 
> Need to disable the tcg related code in the vl.c if the
> disable-tcg option is added into ./configure command.
> 
> Signed-off-by: Yang Zhong<yang.zhong@intel.com>
> Signed-off-by: Paolo Bonzini<pbonzini@redhat.com>
> ---
>   vl.c | 8 +++++++-
>   1 file changed, 7 insertions(+), 1 deletion(-)

Reviewed-by: Richard Henderson <rth@twiddle.net>


r~