[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
- Re: [PATCH v2 1/5] sysemu/cpu-timers: Introduce ICountMode enumerator, (continued)
[PATCH v2 4/5] system/vl: Restrict icount to TCG emulation, Philippe Mathieu-Daudé, 2023/12/07
[PATCH v2 3/5] util/async: Only call icount_notify_exit() if icount is enabled,
Philippe Mathieu-Daudé <=
[PATCH v2 5/5] sysemu/replay: Restrict icount to system emulation, Philippe Mathieu-Daudé, 2023/12/07