From: Yang Zhang <yang.z.zh...@intel.com>
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 <rdun...@infradead.org>
Signed-off-by: Yang Zhang <yang.z.zh...@intel.com>
Acked-by: Randy Dunlap <rdun...@infradead.org>
---
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
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