From: Yang Zhang <[email protected]> If not config smp, posted interrupt logic will not work. So we should not send posted interrupt and let vcpu to pick the pending interrupt before vmentry.
Without this patch, the build fails when CONFIG_SMP is disabled. Thanks Randy to report this issue. Reported-by: Randy Dunlap <[email protected]> Signed-off-by: Yang Zhang <[email protected]> Acked-by: Randy Dunlap <[email protected]> --- arch/x86/kvm/vmx.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 52b21da..d5c6b95 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3946,10 +3946,12 @@ static void vmx_deliver_posted_interrupt(struct kvm_vcpu *vcpu, int vector) r = pi_test_and_set_on(&vmx->pi_desc); kvm_make_request(KVM_REQ_EVENT, vcpu); +#ifdef CONFIG_SMP if (!r && (vcpu->mode == IN_GUEST_MODE)) apic->send_IPI_mask(get_cpu_mask(vcpu->cpu), POSTED_INTR_VECTOR); else +#endif kvm_vcpu_kick(vcpu); } -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
