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...amp; (vcpu->arch.sie_block->ckc < + get_clock() + vcpu->arch.sie_block->epoch)) { + if ((!psw_extint_disabled(vcpu)) && + (vcpu->arch.sie_block->gcr[0] & 0x800ul)) + rc = 1; + } + + return rc; +} + +int kvm_s390_handle_wait(struct kvm_vcpu *vcpu) +{ + u64 now, sltime; + DECLARE_WAITQUEUE(wait, current); + + vcpu->stat.exit_wait_state++; + if (kvm_cpu_has_interrupt(vcpu)) + return 0; + + if (psw_interrupts_disabled(vcpu)) { + VCPU_EVENT(vcpu, 3, "%s", "disabled wait"); + __unset_cpu_idle(vcpu); + return -ENOTSUPP; /* disabled wait */ +...

This patch series introduces a backend for kvm to run on IBM System z machines that uses the mainframe's sie virtualization capability. This work runs 64bit guests on z800/z890/z900/z990/z9/z10 class machines with a 64bit linux host. Userspace will follow once we're done brushing it over. The patch queue consists of the following patches, which can be applied in sequence on top of kvm.git

This patch series introduces a backend for kvm to run on IBM System z machines that uses the mainframe's sie virtualization capability. This work runs 64bit guests on z800/z890/z900/z990/z9/z10 class machines with a 64bit linux host. Userspace will follow once we're done brushing it over. The patch queue consists of the following patches, which can be applied in sequence on top of kvm.git