KVM_CAP_LAST_INFO
};
+static QemuMutex qemu_sigp_mutex;
+
static int cap_sync_regs;
static int cap_async_pf;
static int cap_mem_op;
}
}
+ qemu_mutex_init(&qemu_sigp_mutex);
+
return 0;
}
status_reg = &env->regs[r1];
param = (r1 % 2) ? env->regs[r1] : env->regs[r1 + 1];
+ if (qemu_mutex_trylock(&qemu_sigp_mutex)) {
+ ret = SIGP_CC_BUSY;
+ goto out;
+ }
+
switch (order) {
case SIGP_SET_ARCH:
ret = sigp_set_architecture(cpu, param, status_reg);
dst_cpu = s390_cpu_addr2state(env->regs[r3]);
ret = handle_sigp_single_dst(dst_cpu, order, param, status_reg);
}
+ qemu_mutex_unlock(&qemu_sigp_mutex);
+out:
trace_kvm_sigp_finished(order, CPU(cpu)->cpu_index,
dst_cpu ? CPU(dst_cpu)->cpu_index : -1, ret);