[PATCH v3 09/11] tests/qtest/migration-test: Build command line using GString API (3/4)

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

Part 3/4: Convert accelerator options.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 tests/qtest/migration-test.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c
index 670097a956..1ed3505c91 100644
--- a/tests/qtest/migration-test.c
+++ b/tests/qtest/migration-test.c
@@ -603,6 +603,13 @@ static int test_migrate_start(QTestState **from, QTestState **to,
     got_stop = false;
 
     cmd_common = g_string_new("");
+    /* KVM first */
+    if (args->use_dirty_ring) {
+        g_string_append(cmd_common, "-accel kvm,dirty-ring-size=4096 ");
+    } else {
+        g_string_append(cmd_common, "-accel kvm ");
+    }
+    g_string_append(cmd_common, "-accel tcg ");
 
     bootpath = g_strdup_printf("%s/bootsect", tmpfs);
     if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
@@ -678,12 +685,10 @@ static int test_migrate_start(QTestState **from, QTestState **to,
     if (!args->only_target) {
         g_autofree gchar *cmd_source = NULL;
 
-        cmd_source = g_strdup_printf("-accel kvm%s -accel tcg %s "
+        cmd_source = g_strdup_printf("%s "
                                      "-name source,debug-threads=on "
                                      "-serial file:%s/src_serial "
                                      "%s %s %s",
-                                     args->use_dirty_ring ?
-                                     ",dirty-ring-size=4096" : "",
                                      cmd_common->str,
                                      tmpfs,
                                      arch_source,
@@ -692,13 +697,11 @@ static int test_migrate_start(QTestState **from, QTestState **to,
         *from = qtest_init(cmd_source);
     }
 
-    cmd_target = g_strdup_printf("-accel kvm%s -accel tcg %s "
+    cmd_target = g_strdup_printf("%s "
                                  "-name target,debug-threads=on "
                                  "-serial file:%s/dest_serial "
                                  "-incoming %s "
                                  "%s %s %s",
-                                 args->use_dirty_ring ?
-                                 ",dirty-ring-size=4096" : "",
                                  cmd_common->str,
                                  tmpfs, uri,
                                  arch_target,
-- 
2.38.1