On 04/05/2017 09:36, Fam Zheng wrote:
>> +
>> + /* If there is a concurrent writer, wait for it. */
>> + while (atomic_read(&s->lock) & 1) {
>> + g_usleep(5);
> What's the difference of g_usleep() from cpu_relax() in
> qemu_co_mutex_lock_unlock?cpu_relax() did not exist when I wrote this patch. :) I'll change it. Paolo
