On 2011-09-25 16:07, Avi Kivity wrote: > On 09/23/2011 12:31 PM, Lai Jiangshan wrote: >> > Moreover: wrong indention. >> > >> > You know that this won't work for qemu-kvm with in-kernel irqchip? You >> > may want to provide a patch for that tree, emulating the unavailable >> > LINT1 injection via testing the APIC configration and then raising an >> > NMI as before if it is accepted. >> > >> >> It works in my box but the NMI is not injected through the in-kernel >> irqchip, >> I will implement it as you suggested. > > Somewhat hacky; isn't it better to test LINT1 in the kernel (and > redefine the KVM_NMI ioctl as "toggle LINT1")? KVM_NMI is required for user space IRQ chip as well. Introducing some KVM_SET_LINT1 is an option though. But emulating it for the NMI button on older kernels sounds worthwhile nevertheless. Jan
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