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Date: Fri, 8 May 2026 10:54:07 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Yan Zhao <yan.y.zhao@intel.com>
Cc: tglx@kernel.org, linux-kernel@vger.kernel.org,
	Sean Christopherson <seanjc@google.com>,
	Jim Mattson <jmattson@google.com>,
	Binbin Wu <binbin.wu@linux.intel.com>,
	Vishal L Verma <vishal.l.verma@intel.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	Rick P Edgecombe <rick.p.edgecombe@intel.com>,
	Binbin Wu <binbin.wu@intel.com>, "x86@kernel.org" <x86@kernel.org>,
	Paolo Bonzini <bonzini@redhat.com>
Subject: Re: [PATCH v2 1/2] x86/kvm/vmx: Move IRQ/NMI dispatch from KVM into
 x86 core
Message-ID: <20260508085407.GN3126523@noisy.programming.kicks-ass.net>
References: <20260423155611.216805954@infradead.org>
 <20260423155936.843498069@infradead.org>
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In-Reply-To: <af1QSIqNLlADZa0+@yzhao56-desk.sh.intel.com>

On Fri, May 08, 2026 at 10:54:00AM +0800, Yan Zhao wrote:

> So, I added below fix:
> 
> diff --git a/arch/x86/kernel/idt.c b/arch/x86/kernel/idt.c
> index 0e8fb61f63ff..7bcf1decc034 100644
> --- a/arch/x86/kernel/idt.c
> +++ b/arch/x86/kernel/idt.c
> @@ -268,6 +268,7 @@ void __init idt_setup_early_pf(void)
>  }
>  #endif
> 
> +#if IS_ENABLED(CONFIG_KVM_INTEL)
>  noinstr void idt_entry_from_kvm(unsigned int vector)
>  {
>         if (vector == NMI_VECTOR)
> @@ -280,6 +281,7 @@ noinstr void idt_entry_from_kvm(unsigned int vector)
>         idt_do_interrupt_irqoff(gate_offset(idt_table + vector));
>         instrumentation_end();
>  }
> +#endif
> 
>  static void __init idt_map_in_cea(void)
>  {

Thanks!