FAILED: patch "[PATCH] KVM: VMX: avoid running vmx_handle_exit_irqoff in case of" failed to apply to 5.4-stable tree
Subsystems (3)
[email protected]
maintainerThe patch below does not apply to the 5.4-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 81b4b56d4f8130bbb99cf4e2b48082e5b4cfccb9 Mon Sep 17 00:00:00 2001
From: Maxim Levitsky <[email protected]>
Date: Thu, 26 Aug 2021 12:57:49 +0300
Subject: [PATCH] KVM: VMX: avoid running vmx_handle_exit_irqoff in case of
emulation
If we are emulating an invalid guest state, we don't have a correct exit reason, and thus we shouldn't do anything in this function.
Signed-off-by Maxim Levitsky <[email protected]>
Message-Id: <[email protected]>
Fixes 95b5a48c4f2b ("KVM: VMX: Handle NMIs, #MCs and async #PFs in common irqs-disabled fn", 2019-06-18)
Signed-off-by Paolo Bonzini <[email protected]>
arch/x86/kvm/vmx/vmx.c +3 -0
@@ -6382,6 +6382,9 @@ static void vmx_handle_exit_irqoff(struct kvm_vcpu *vcpu) {struct vcpu_vmx *vmx =to_vmx (vcpu); +if (vmx->emulation_required) +return ; +if (vmx->exit_reason.basic ==EXIT_REASON_EXTERNAL_INTERRUPT )handle_external_interrupt_irqoff (vcpu);else if (vmx->exit_reason.basic ==EXIT_REASON_EXCEPTION_NMI )