[PATCH 1/6] accel/tcg/cpu-exec: Use RCU_READ macro

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

Replace the manual rcu_read_(un)lock calls by the
WITH_RCU_READ_LOCK_GUARD macro (See commit ef46ae67ba
"docs/style: call out the use of GUARD macros").

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 accel/tcg/cpu-exec.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index 67eda9865e..6b3f66930e 100644
--- a/accel/tcg/cpu-exec.c
+++ b/accel/tcg/cpu-exec.c
@@ -1070,21 +1070,21 @@ int cpu_exec(CPUState *cpu)
         return EXCP_HALTED;
     }
 
-    rcu_read_lock();
-    cpu_exec_enter(cpu);
+    WITH_RCU_READ_LOCK_GUARD() {
+        cpu_exec_enter(cpu);
 
-    /*
-     * Calculate difference between guest clock and host clock.
-     * This delay includes the delay of the last cycle, so
-     * what we have to do is sleep until it is 0. As for the
-     * advance/delay we gain here, we try to fix it next time.
-     */
-    init_delay_params(&sc, cpu);
+        /*
+         * Calculate difference between guest clock and host clock.
+         * This delay includes the delay of the last cycle, so
+         * what we have to do is sleep until it is 0. As for the
+         * advance/delay we gain here, we try to fix it next time.
+         */
+        init_delay_params(&sc, cpu);
 
-    ret = cpu_exec_setjmp(cpu, &sc);
+        ret = cpu_exec_setjmp(cpu, &sc);
 
-    cpu_exec_exit(cpu);
-    rcu_read_unlock();
+        cpu_exec_exit(cpu);
+    };
 
     return ret;
 }
-- 
2.41.0