On 2011-10-14 02:53, Lai Jiangshan wrote: > >> >> As explained in some other mail, we could then emulate the missing >> kernel feature by reading out the current in-kernel APIC state, testing >> if LINT1 is unmasked, and then delivering the NMI directly. >> > > Only the thread of the VCPU can safely get the in-kernel LAPIC states, > so this approach will cause some troubles. run_on_cpu() can help. Jan
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