[PATCH 09/37] kvm: Handle kvm_init_vcpu errors

Marcelo Tosatti
2011-02-14T15:24:58Z

Do not ignore errors of kvm_init_vcpu, they are fatal.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---
cpus.c | 19 +++++++++++++++----
1 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/cpus.c b/cpus.c
index 8232d44..3a72d06 100644
--- a/cpus.c
+++ b/cpus.c
@@ -265,12 +265,18 @@ void qemu_main_loop_start(void)
void qemu_init_vcpu(void *_env)
{
CPUState *env = _env;
+ int r;

env->nr_cores = smp_cores;
env->nr_threads = smp_threads;
- if (kvm_enabled())
- kvm_init_vcpu(env);
- return;
+
+ if (kvm_enabled()) {
+ r = kvm_init_vcpu(env);
+ if (r < 0) {
+ fprintf(stderr, "kvm_init_vcpu failed: %s\n", strerror(-r));
+ exit(1);
+ }
+ }
}

int qemu_cpu_self(void *env)
@@ -600,11 +606,16 @@ static int qemu_cpu_exec(CPUState *env);
static void *kvm_cpu_thread_fn(void *arg)
{
CPUState *env = arg;
+ int r;

qemu_mutex_lock(&qemu_global_mutex);
qemu_thread_self(env->thread);

- kvm_init_vcpu(env);
+ r = kvm_init_vcpu(env);
+ if (r < 0) {
+ fprintf(stderr, "kvm_init_vcpu failed: %s\n", strerror(-r));
+ exit(1);
+ }

kvm_init_ipi(env);

--
1.7.4