On 02/11/2015 15:59, Radim Krcmar wrote:
> > We do not want to do too much work in atomic context, in particular
> > not walking all the VCPUs of the virtual machine. So we want
> > to distinguish the architecture-specific injection function for irqfd
> > from kvm_set_msi. Since it's still empty, reuse the newly added
> > kvm_arch_set_irq and rename it to kvm_arch_set_irq_inatomic.
>
> kvm/queue uses kvm_arch_set_irq since b7184313f4b9 ("kvm/x86: Hyper-V
> synthetic interrupt controller").
>
> Is synic going to be dropped before this patch is merged?
Yes. Both because the Virtuozzo people confirmed that kvm_arch_set_irq
isn't needed for synic, and because synic is currently broken with APICv.
Paolo
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