A slight improvement in readability, and this does also remove one memory access when NR_CPUS == 1! ;-) Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@xxxxxxxxx> --- drivers/hv/vmbus_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index c3205f40d1415..452c14c656e2a 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -1702,7 +1702,7 @@ static ssize_t target_cpu_store(struct vmbus_channel *channel, /* No CPUs should come up or down during this. */ cpus_read_lock(); - if (!cpumask_test_cpu(target_cpu, cpu_online_mask)) { + if (!cpu_online(target_cpu)) { cpus_read_unlock(); return -EINVAL; } -- 2.25.1