From: Sean Christopherson <seanjc@google.com>
To: kvm-riscv@lists.infradead.org
Subject: [PATCH v4 08/12] KVM: nVMX: Make event request on VMXOFF iff INIT/SIPI is pending
Date: Wed, 21 Sep 2022 00:31:57 +0000 [thread overview]
Message-ID: <20220921003201.1441511-9-seanjc@google.com> (raw)
In-Reply-To: <20220921003201.1441511-1-seanjc@google.com>
Explicitly check for a pending INIT/SIPI event when emulating VMXOFF
instead of blindly making an event request. There's obviously no need
to evaluate events if none are pending.
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/kvm/vmx/nested.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 5922531f6c52..8f67a9c4a287 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -5193,8 +5193,8 @@ static int handle_vmxoff(struct kvm_vcpu *vcpu)
free_nested(vcpu);
- /* Process a latched INIT during time CPU was in VMX operation */
- kvm_make_request(KVM_REQ_EVENT, vcpu);
+ if (kvm_apic_has_pending_init_or_sipi(vcpu))
+ kvm_make_request(KVM_REQ_EVENT, vcpu);
return nested_vmx_succeed(vcpu);
}
--
2.37.3.968.ga6b4b080e4-goog
next prev parent reply other threads:[~2022-09-21 0:31 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-21 0:31 [PATCH v4 00/12] KVM: x86: never write to memory from kvm_vcpu_check_block Sean Christopherson
2022-09-21 0:31 ` [PATCH v4 01/12] KVM: x86: make vendor code check for all nested events Sean Christopherson
2022-09-21 0:31 ` [PATCH v4 02/12] KVM: nVMX: Make an event request when pending an MTF nested VM-Exit Sean Christopherson
2022-09-21 0:31 ` [PATCH v4 03/12] KVM: x86: Rename and expose helper to detect if INIT/SIPI are allowed Sean Christopherson
2022-09-21 0:31 ` [PATCH v4 04/12] KVM: x86: Rename kvm_apic_has_events() to make it INIT/SIPI specific Sean Christopherson
2022-09-21 0:31 ` [PATCH v4 05/12] KVM: x86: lapic does not have to process INIT if it is blocked Sean Christopherson
2022-09-21 0:31 ` [PATCH v4 06/12] KVM: SVM: Make an event request if INIT or SIPI is pending when GIF is set Sean Christopherson
2022-09-21 0:31 ` [PATCH v4 07/12] KVM: nVMX: Make an event request if INIT or SIPI is pending on VM-Enter Sean Christopherson
2022-09-21 0:31 ` Sean Christopherson [this message]
2022-09-21 0:31 ` [PATCH v4 09/12] KVM: x86: Don't snapshot pending INIT/SIPI prior to checking nested events Sean Christopherson
2022-09-21 0:31 ` [PATCH v4 10/12] KVM: x86: never write to memory from kvm_vcpu_check_block() Sean Christopherson
2023-12-07 1:03 ` Jim Mattson
2023-12-07 16:21 ` Sean Christopherson
2023-12-10 22:52 ` Jim Mattson
2023-12-12 15:28 ` Sean Christopherson
2023-12-13 22:25 ` Maxim Levitsky
2023-12-13 22:31 ` Jim Mattson
2023-12-13 22:44 ` Maxim Levitsky
2023-12-13 22:59 ` Sean Christopherson
2022-09-21 0:32 ` [PATCH v4 11/12] KVM: mips, x86: do not rely on KVM_REQ_UNHALT Sean Christopherson
2022-09-22 13:17 ` Philippe Mathieu-Daudé
2022-09-21 0:32 ` [PATCH v4 12/12] KVM: remove KVM_REQ_UNHALT Sean Christopherson
2022-09-22 14:52 ` Marc Zyngier
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