[v1] tcg patch queue

[PULL 04/47] accel: Introduce accel_cpu_common_unrealize() stub

Richard Henderson posted 47 patches 1 year, 6 months ago

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[PULL 04/47] accel: Introduce accel_cpu_common_unrealize() stub

Posted by Richard Henderson 1 year, 6 months ago

From: Philippe Mathieu-Daudé <philmd@linaro.org>

Prepare the stub for parity with accel_cpu_common_realize().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20231003123026.99229-5-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 include/qemu/accel.h | 6 ++++++
 accel/accel-common.c | 4 ++++
 cpu.c                | 4 +++-
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/include/qemu/accel.h b/include/qemu/accel.h
index 898159c001..446153b145 100644
--- a/include/qemu/accel.h
+++ b/include/qemu/accel.h
@@ -96,6 +96,12 @@ void accel_cpu_instance_init(CPUState *cpu);
  */
 bool accel_cpu_common_realize(CPUState *cpu, Error **errp);
 
+/**
+ * accel_cpu_common_unrealize:
+ * @cpu: The CPU that needs to call accel-specific cpu unrealization.
+ */
+void accel_cpu_common_unrealize(CPUState *cpu);
+
 /**
  * accel_supported_gdbstub_sstep_flags:
  *
diff --git a/accel/accel-common.c b/accel/accel-common.c
index 53cf08a89a..e9548eac29 100644
--- a/accel/accel-common.c
+++ b/accel/accel-common.c
@@ -129,6 +129,10 @@ bool accel_cpu_common_realize(CPUState *cpu, Error **errp)
     return true;
 }
 
+void accel_cpu_common_unrealize(CPUState *cpu)
+{
+}
+
 int accel_supported_gdbstub_sstep_flags(void)
 {
     AccelState *accel = current_accel();
diff --git a/cpu.c b/cpu.c
index 1e2649a706..2a1eff948b 100644
--- a/cpu.c
+++ b/cpu.c
@@ -187,8 +187,10 @@ void cpu_exec_unrealizefn(CPUState *cpu)
     cpu_list_remove(cpu);
     /*
      * Now that the vCPU has been removed from the RCU list, we can call
-     * tcg_exec_unrealizefn, which may free fields using call_rcu.
+     * tcg_exec_unrealizefn and
+     * accel_cpu_common_unrealize, which may free fields using call_rcu.
      */
+    accel_cpu_common_unrealize(cpu);
     if (tcg_enabled()) {
         tcg_exec_unrealizefn(cpu);
     }
-- 
2.34.1