diff options
| -rw-r--r-- | arch/x86/include/asm/posted_intr.h | 5 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx/tdx.c | 7 |
2 files changed, 11 insertions, 1 deletions
diff --git a/arch/x86/include/asm/posted_intr.h b/arch/x86/include/asm/posted_intr.h index de788b400fba..bb107ebbe713 100644 --- a/arch/x86/include/asm/posted_intr.h +++ b/arch/x86/include/asm/posted_intr.h @@ -81,6 +81,11 @@ static inline bool pi_test_sn(struct pi_desc *pi_desc) return test_bit(POSTED_INTR_SN, (unsigned long *)&pi_desc->control); } +static inline bool pi_test_pir(int vector, struct pi_desc *pi_desc) +{ + return test_bit(vector, (unsigned long *)pi_desc->pir); +} + /* Non-atomic helpers */ static inline void __pi_set_sn(struct pi_desc *pi_desc) { diff --git a/arch/x86/kvm/vmx/tdx.c b/arch/x86/kvm/vmx/tdx.c index 798ea5a5232e..b98eab24114c 100644 --- a/arch/x86/kvm/vmx/tdx.c +++ b/arch/x86/kvm/vmx/tdx.c @@ -969,9 +969,14 @@ fastpath_t tdx_vcpu_run(struct kvm_vcpu *vcpu, bool force_immediate_exit) trace_kvm_entry(vcpu, force_immediate_exit); - if (pi_test_on(&vt->pi_desc)) + if (pi_test_on(&vt->pi_desc)) { apic->send_IPI_self(POSTED_INTR_VECTOR); + if (pi_test_pir(kvm_lapic_get_reg(vcpu->arch.apic, APIC_LVTT) & + APIC_VECTOR_MASK, &vt->pi_desc)) + kvm_wait_lapic_expire(vcpu); + } + tdx_vcpu_enter_exit(vcpu); if (vt->host_debugctlmsr & ~TDX_DEBUGCTL_PRESERVED) |