Uniprocessor 32-bit randconfigs can disable the local APIC, and posted
interrupts require reserving a vector on the LAPIC, so they are
incompatible.
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
arch/x86/kvm/vmx.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 75f3ee01f59b..353b91b744d7 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -986,7 +986,8 @@ static inline bool cpu_has_vmx_virtual_intr_delivery(void)
static inline bool cpu_has_vmx_posted_intr(void)
{
- return vmcs_config.pin_based_exec_ctrl & PIN_BASED_POSTED_INTR;
+ return IS_ENABLED(CONFIG_X86_LOCAL_APIC) &&
+ vmcs_config.pin_based_exec_ctrl & PIN_BASED_POSTED_INTR;
}
static inline bool cpu_has_vmx_apicv(void)
--
1.8.3.1
--
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