Commit 0a968209 authored Jun 17, 2020 by Andrea Parri (Microsoft) Committed by Wei Liu Jun 19, 2020

Drivers: hv: vmbus: Replace cpumask_test_cpu(, cpu_online_mask) with cpu_online()



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@gmail.com>
Link: https://lore.kernel.org/r/20200617164642.37393-4-parri.andrea@gmail.com


Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>

parent 458d090f

drivers/hv/vmbus_drv.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1716,7 +1716,7 @@ 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;
		}

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