From: Sean Christopherson <seanjc@google.com>
To: Binbin Wu <binbin.wu@linux.intel.com>
Cc: pbonzini@redhat.com, kvm@vger.kernel.org,
rick.p.edgecombe@intel.com, kai.huang@intel.com,
adrian.hunter@intel.com, reinette.chatre@intel.com,
xiaoyao.li@intel.com, tony.lindgren@intel.com,
isaku.yamahata@intel.com, yan.y.zhao@intel.com,
chao.gao@intel.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 15/17] KVM: VMX: Add a helper for NMI handling
Date: Tue, 11 Feb 2025 17:10:21 -0800 [thread overview]
Message-ID: <Z6v0_ZzleQWsw2_k@google.com> (raw)
In-Reply-To: <20250211025828.3072076-16-binbin.wu@linux.intel.com>
On Tue, Feb 11, 2025, Binbin Wu wrote:
> diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
> index 012649688e46..228a7e51b6a5 100644
> --- a/arch/x86/kvm/vmx/vmx.c
> +++ b/arch/x86/kvm/vmx/vmx.c
> @@ -7212,6 +7212,20 @@ static fastpath_t vmx_exit_handlers_fastpath(struct kvm_vcpu *vcpu,
> }
> }
>
> +noinstr void vmx_handle_nmi(struct kvm_vcpu *vcpu)
> +{
> + if ((u16)vmx_get_exit_reason(vcpu).basic != EXIT_REASON_EXCEPTION_NMI ||
> + !is_nmi(vmx_get_intr_info(vcpu)))
Align indentation.
> + return;
> +
> + kvm_before_interrupt(vcpu, KVM_HANDLING_NMI);
> + if (cpu_feature_enabled(X86_FEATURE_FRED))
> + fred_entry_from_kvm(EVENT_TYPE_NMI, NMI_VECTOR);
> + else
> + vmx_do_nmi_irqoff();
> + kvm_after_interrupt(vcpu);
> +}
next prev parent reply other threads:[~2025-02-12 1:10 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-11 2:58 [PATCH v2 00/17] KVM: TDX: TDX interrupts Binbin Wu
2025-02-11 2:58 ` [PATCH v2 01/17] KVM: TDX: Add support for find pending IRQ in a protected local APIC Binbin Wu
2025-02-11 7:23 ` Binbin Wu
2025-02-12 8:12 ` Chao Gao
2025-02-12 16:04 ` Sean Christopherson
2025-02-13 2:12 ` Chao Gao
2025-02-11 2:58 ` [PATCH v2 02/17] KVM: TDX: Disable PI wakeup for IPIv Binbin Wu
2025-02-11 2:58 ` [PATCH v2 03/17] KVM: VMX: Move posted interrupt delivery code to common header Binbin Wu
2025-02-13 6:59 ` Chao Gao
2025-02-11 2:58 ` [PATCH v2 04/17] KVM: TDX: Implement non-NMI interrupt injection Binbin Wu
2025-02-13 7:15 ` Chao Gao
2025-02-11 2:58 ` [PATCH v2 05/17] KVM: x86: Assume timer IRQ was injected if APIC state is protected Binbin Wu
2025-02-13 7:26 ` Chao Gao
2025-02-11 2:58 ` [PATCH v2 06/17] KVM: TDX: Wait lapic expire when timer IRQ was injected Binbin Wu
2025-02-11 2:58 ` [PATCH v2 07/17] KVM: TDX: Implement methods to inject NMI Binbin Wu
2025-02-11 2:58 ` [PATCH v2 08/17] KVM: TDX: Complete interrupts after TD exit Binbin Wu
2025-02-13 8:20 ` Chao Gao
2025-02-13 8:55 ` Binbin Wu
2025-02-11 2:58 ` [PATCH v2 09/17] KVM: TDX: Handle SMI request as !CONFIG_KVM_SMM Binbin Wu
2025-02-12 1:47 ` Sean Christopherson
2025-02-12 5:51 ` Binbin Wu
2025-02-14 17:15 ` Edgecombe, Rick P
2025-02-12 10:19 ` Huang, Kai
2025-02-11 2:58 ` [PATCH v2 10/17] KVM: TDX: Always block INIT/SIPI Binbin Wu
2025-02-11 2:58 ` [PATCH v2 11/17] KVM: TDX: Enforce KVM_IRQCHIP_SPLIT for TDX guests Binbin Wu
2025-02-11 2:58 ` [PATCH v2 12/17] KVM: TDX: Force APICv active for TDX guest Binbin Wu
2025-02-11 2:58 ` [PATCH v2 13/17] KVM: TDX: Add methods to ignore virtual apic related operation Binbin Wu
2025-02-11 2:58 ` [PATCH v2 14/17] KVM: VMX: Move emulation_required to struct vcpu_vt Binbin Wu
2025-02-11 2:58 ` [PATCH v2 15/17] KVM: VMX: Add a helper for NMI handling Binbin Wu
2025-02-12 1:10 ` Sean Christopherson [this message]
2025-02-11 2:58 ` [PATCH v2 16/17] KVM: TDX: Handle EXCEPTION_NMI and EXTERNAL_INTERRUPT Binbin Wu
2025-02-12 0:50 ` Sean Christopherson
2025-02-11 2:58 ` [PATCH v2 17/17] KVM: TDX: Handle EXIT_REASON_OTHER_SMI Binbin Wu
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