diff mbox series

[PULL,v2,20/73] translate-all: use cpu_in_exclusive_work_context() in tb_flush

Message ID 20191025063713.23374-21-alex.bennee@linaro.org
State Accepted
Commit 136094d0b22a3278029485648e4d83a4bf3cb4d6
Headers show
Series tcg plugins and testing updates | expand

Commit Message

Alex Bennée Oct. 25, 2019, 6:36 a.m. UTC 
From: "Emilio G. Cota" <cota@braap.org>


tb_flush will be called by the plugin module from a safe
work environment. Prepare for that.

Suggested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

Signed-off-by: Emilio G. Cota <cota@braap.org>

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


-- 
2.20.1
diff mbox series

Patch

diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index 66d4bc4341a..0a08fcda3e8 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -1268,8 +1268,13 @@  void tb_flush(CPUState *cpu)
 {
     if (tcg_enabled()) {
         unsigned tb_flush_count = atomic_mb_read(&tb_ctx.tb_flush_count);
-        async_safe_run_on_cpu(cpu, do_tb_flush,
-                              RUN_ON_CPU_HOST_INT(tb_flush_count));
+
+        if (cpu_in_exclusive_context(cpu)) {
+            do_tb_flush(cpu, RUN_ON_CPU_HOST_INT(tb_flush_count));
+        } else {
+            async_safe_run_on_cpu(cpu, do_tb_flush,
+                                  RUN_ON_CPU_HOST_INT(tb_flush_count));
+        }
     }
 }