[Qemu-devel] [PATCH 14/23] kvm-all: make async_safe_run_on_cpu safe on kvm too

[Roman Kagan]

Wrap the bulk of kvm_cpu_exec with cpu_exec_start/end, so that kvm
version can also enjoy performing certain operations while all vCPUs are
quiescent.

Signed-off-by: Roman Kagan <rka...@virtuozzo.com>
---
 kvm-all.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kvm-all.c b/kvm-all.c
index 494b925..85668fb 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1974,6 +1974,7 @@ int kvm_cpu_exec(CPUState *cpu)
     }
 
     qemu_mutex_unlock_iothread();
+    cpu_exec_start(cpu);
 
     do {
         MemTxAttrs attrs;
@@ -2103,6 +2104,7 @@ int kvm_cpu_exec(CPUState *cpu)
         }
     } while (ret == 0);
 
+    cpu_exec_end(cpu);
     qemu_mutex_lock_iothread();
 
     if (ret < 0) {
-- 
2.9.4