kvm: Keep KVM_RUN return value in separate variable

Avoid using 'ret' both for the return value of KVM_RUN as well as the
code kvm_cpu_exec is supposed to return. Both have no direct relation.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Jan Kiszka 2011-03-15 12:26:25 +01:00 committed by Marcelo Tosatti
parent 51e8fa606e
commit 7cbb533f92

View File

@ -890,7 +890,7 @@ void kvm_cpu_synchronize_post_init(CPUState *env)
int kvm_cpu_exec(CPUState *env)
{
struct kvm_run *run = env->kvm_run;
int ret;
int ret, run_ret;
DPRINTF("kvm_cpu_exec()\n");
@ -920,7 +920,7 @@ int kvm_cpu_exec(CPUState *env)
cpu_single_env = NULL;
qemu_mutex_unlock_iothread();
ret = kvm_vcpu_ioctl(env, KVM_RUN, 0);
run_ret = kvm_vcpu_ioctl(env, KVM_RUN, 0);
qemu_mutex_lock_iothread();
cpu_single_env = env;
@ -928,14 +928,14 @@ int kvm_cpu_exec(CPUState *env)
kvm_flush_coalesced_mmio_buffer();
if (ret == -EINTR || ret == -EAGAIN) {
if (run_ret == -EINTR || run_ret == -EAGAIN) {
DPRINTF("io window exit\n");
ret = 0;
break;
}
if (ret < 0) {
DPRINTF("kvm run failed %s\n", strerror(-ret));
if (run_ret < 0) {
DPRINTF("kvm run failed %s\n", strerror(-run_ret));
abort();
}