@@ -37,6 +37,7 @@
#include "sysemu/qtest.h"
#include "qemu/main-loop.h"
#include "qemu/bitmap.h"
+#include "qemu/rcu.h"
#ifndef _WIN32
#include "qemu/compatfd.h"
@@ -793,6 +794,7 @@ static void *qemu_dummy_cpu_thread_fn(void *arg)
while (1) {
cpu_single_env = NULL;
qemu_mutex_unlock_iothread();
+ rcu_thread_offline();
do {
int sig;
r = sigwait(&waitset, &sig);
@@ -801,6 +803,7 @@ static void *qemu_dummy_cpu_thread_fn(void *arg)
perror("sigwait");
exit(1);
}
+ rcu_thread_online();
qemu_mutex_lock_iothread();
cpu_single_env = env;
qemu_wait_io_event_common(cpu);
@@ -33,6 +33,7 @@
#include "exec/memory.h"
#include "exec/address-spaces.h"
#include "qemu/event_notifier.h"
+#include "qemu/rcu.h"
#include "trace.h"
/* This check must be after config-host.h is included */
@@ -1611,7 +1612,9 @@ int kvm_cpu_exec(CPUArchState *env)
}
qemu_mutex_unlock_iothread();
+ rcu_thread_offline();
run_ret = kvm_vcpu_ioctl(cpu, KVM_RUN, 0);
+ rcu_thread_online();
qemu_mutex_lock_iothread();
kvm_arch_post_run(cpu, run);
CPU threads have extended quiescent states while relinquishing control to the accelerator (except TCG). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- cpus.c | 3 +++ kvm-all.c | 3 +++ 2 files changed, 6 insertions(+)