linux-kernel - Re: [PATCH 2/2] x86: kvm: svm: add support for ERAPS and FLUSH_RAP_ON

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Message-ID: <20241031231332.tdfbjcesjnkq435k@desk>
Date: Thu, 31 Oct 2024 16:13:32 -0700
From: Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>
To: Amit Shah <amit@...nel.org>
Cc: linux-kernel@...r.kernel.org, kvm@...r.kernel.org, x86@...nel.org,
	linux-doc@...r.kernel.org, amit.shah@....com,
	thomas.lendacky@....com, bp@...en8.de, tglx@...utronix.de,
	peterz@...radead.org, jpoimboe@...nel.org, corbet@....net,
	mingo@...hat.com, dave.hansen@...ux.intel.com, hpa@...or.com,
	seanjc@...gle.com, pbonzini@...hat.com,
	daniel.sneddon@...ux.intel.com, kai.huang@...el.com,
	sandipan.das@....com, boris.ostrovsky@...cle.com,
	Babu.Moger@....com, david.kaplan@....com
Subject: Re: [PATCH 2/2] x86: kvm: svm: add support for ERAPS and
 FLUSH_RAP_ON_VMRUN

On Thu, Oct 31, 2024 at 04:39:25PM +0100, Amit Shah wrote:
> @@ -3559,6 +3582,27 @@ static int svm_handle_exit(struct kvm_vcpu *vcpu, fastpath_t exit_fastpath)
>  
>  		trace_kvm_nested_vmexit(vcpu, KVM_ISA_SVM);
>  
> +		if (boot_cpu_has(X86_FEATURE_ERAPS)
> +		    && vmcb_is_larger_rap(svm->vmcb01.ptr)) {
		    ^
		    This should be at the end of previous line.