Techwizz/kernel-fxtec-pro1x
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KVM: cpu_relax() during spin waiting for reboot

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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>
This commit is contained in:
Avi Kivity 2010-09-21 19:59:44 +02:00
parent 49e9d557f9
commit 624d84cfe6
1 changed files with 1 additions and 1 deletions
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2
virt/kvm/kvm_main.c
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@ -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();