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