qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[PATCH v2 3/5] util/async: Only call icount_notify_exit() if icount is e


From: Philippe Mathieu-Daudé
Subject: [PATCH v2 3/5] util/async: Only call icount_notify_exit() if icount is enabled
Date: Thu, 7 Dec 2023 16:45:48 +0100

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 stubs/icount.c |  2 +-
 util/async.c   | 16 +++++++++-------
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/stubs/icount.c b/stubs/icount.c
index f8e6a014b8..a5202e2dd9 100644
--- a/stubs/icount.c
+++ b/stubs/icount.c
@@ -43,7 +43,7 @@ void icount_account_warp_timer(void)
 {
     abort();
 }
-
 void icount_notify_exit(void)
 {
+    abort();
 }
diff --git a/util/async.c b/util/async.c
index 8f90ddc304..9007642c27 100644
--- a/util/async.c
+++ b/util/async.c
@@ -94,13 +94,15 @@ static void aio_bh_enqueue(QEMUBH *bh, unsigned new_flags)
     }
 
     aio_notify(ctx);
-    /*
-     * Workaround for record/replay.
-     * vCPU execution should be suspended when new BH is set.
-     * This is needed to avoid guest timeouts caused
-     * by the long cycles of the execution.
-     */
-    icount_notify_exit();
+    if (unlikely(icount_enabled())) {
+        /*
+         * Workaround for record/replay.
+         * vCPU execution should be suspended when new BH is set.
+         * This is needed to avoid guest timeouts caused
+         * by the long cycles of the execution.
+         */
+        icount_notify_exit();
+    }
 }
 
 /* Only called from aio_bh_poll() and aio_ctx_finalize() */
-- 
2.41.0




reply via email to

[Prev in Thread] Current Thread [Next in Thread]