linux-kernel - Re: [PATCH v3 3/4] KVM: VMX: Disable L1TF L1 data cache flush if CONFIG_CPU

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Message-ID: <20251022013657.n2he5yabfgunm5vb@desk>
Date: Tue, 21 Oct 2025 18:36:57 -0700
From: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
To: Sean Christopherson <seanjc@...gle.com>
Cc: Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, Brendan Jackman <jackmanb@...gle.com>
Subject: Re: [PATCH v3 3/4] KVM: VMX: Disable L1TF L1 data cache flush if
 CONFIG_CPU_MITIGATIONS=n

On Thu, Oct 16, 2025 at 01:04:16PM -0700, Sean Christopherson wrote:
> @@ -302,6 +303,16 @@ static int vmx_setup_l1d_flush(enum vmx_l1d_flush_state l1tf)
>  	return 0;
>  }
>  
> +static int vmx_setup_l1d_flush(void)
> +{
> +	/*
> +	 * Hand the parameter mitigation value in which was stored in the pre
> +	 * module init parser. If no parameter was given, it will contain
> +	 * 'auto' which will be turned into the default 'cond' mitigation mode.
> +	 */
> +	return vmx_setup_l1d_flush(vmentry_l1d_flush_param);

A likely typo here, it should be:

	return __vmx_setup_l1d_flush(vmentry_l1d_flush_param);