Re: [Qemu-devel] Linux kernel polling for QEMU

[Paolo Bonzini]

On 29/11/2016 16:24, Andrew Jones wrote:
> While we have a ppoll audience, another issue with the current polling
> is that we can block with an infinite timeout set (-1), and it can
> actually end up being infinite, i.e. vcpus will never run again. I'm
> able to exhibit this with kvm-unit-tests.

This should only happen outside the big QEMU lock, otherwise it's a bug.

Paolo

> For these rare cases where
> no other timeout has been selected, shouldn't we have a default timeout?
> Anyone want to pick a number? I have a baseless compulsion to use 10 ms...