KVM: Tune hotplug/suspend IPIs



The hotplug IPIs can be called from the cpu on which we are currently
running on, so use on_cpu().  Similarly, drop on_each_cpu() for the
suspend/resume callbacks, as we're in atomic context here and only one
cpu is up anyway.

Signed-off-by: Avi Kivity <avi@qumranet.com>

parent 1b6c0168

drivers/kvm/kvm_main.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -3110,13 +3110,13 @@ static void kvm_exit_debug(void)

		static int kvm_suspend(struct sys_device *dev, pm_message_t state)
		{
		on_each_cpu(hardware_disable, NULL, 0, 0);
		hardware_disable(NULL);
		return 0;
		}

		static int kvm_resume(struct sys_device *dev)
		{
		on_each_cpu(hardware_disable, NULL, 0, 0);
		hardware_enable(NULL);
		return 0;
		}