| Subject | Re: 5.13-rt1 + KVM = WARNING: at fs/eventfd.c:74 eventfd_signal() | From | Paolo Bonzini <> | Date | Fri, 16 Jul 2021 08:54:58 +0200 |
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On 16/07/21 04:06, Hillf Danton wrote: >> With the patch: >> - no warn >> - continue using the VM normally... > Well with the patch applied, the VM works fine without the stuff protected > by the spin_lock_irqsave(), then without the patch why simply printing a > warning makes the VM dumb, given the warning is there actually also preventing > you from touching the lock. >
If the warning is triggered, eventfd_signal will not do the wakeup.
Paolo
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