Commit 624d84cf authored Sep 21, 2010 by Avi Kivity

KVM: cpu_relax() during spin waiting for reboot



It doesn't really matter, but if we spin, we should spin in a more relaxed
manner.  This way, if something goes wrong at least it won't contribute to
global warming.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

parent 49e9d557

virt/kvm/kvm_main.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2022,7 +2022,7 @@ asmlinkage void kvm_handle_fault_on_reboot(void)
		/* spin while reset goes on */
		local_irq_enable();
		while (true)
		;
		cpu_relax();
		}
		/* Fault while not rebooting. We want the trace. */
		BUG();

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