Re: [Xen-devel] hvm_set_callback_irq_level() deadlock?

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 07/01/2009 09:41, "Akio Takebe" <takebe_akio@xxxxxxxxxxxxxx> wrote:

> hvm_set_callback_irq_level() and so on call vioapic_irq_positive_edge()
> before spin_unlock(&d->arch.hvm_domain.irq_lock).
> I think it cause a deadlock.
> If it is right, how should we fix them?
> What do you think?

Doesn't vioapic_irq_positive_edge() clearly expect to be called with that
lock held?

 -- Keir



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