Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Subject: Re: [PATCH 16/17] KVM: retpolines: x86: eliminate retpoline from
 svm.c exit handlers
To:     Andrea Arcangeli <aarcange@redhat.com>
Cc:     Vitaly Kuznetsov <vkuznets@redhat.com>,
        "Dr. David Alan Gilbert" <dgilbert@redhat.com>,
        Marcelo Tosatti <mtosatti@redhat.com>,
        Peter Xu <peterx@redhat.com>, kvm@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <20190920212509.2578-1-aarcange@redhat.com>
 <20190920212509.2578-17-aarcange@redhat.com>
From:   Paolo Bonzini <pbonzini@redhat.com>
Openpgp: preference=signencrypt
Message-ID: <b8ec371a-58ac-3c40-4825-e67c2768b37e@redhat.com>
Date:   Mon, 23 Sep 2019 12:01:12 +0200
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101
 Thunderbird/60.8.0
MIME-Version: 1.0
In-Reply-To: <20190920212509.2578-17-aarcange@redhat.com>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On 20/09/19 23:25, Andrea Arcangeli wrote:
> +#ifdef CONFIG_RETPOLINE
> +	if (exit_code == SVM_EXIT_MSR)
> +		return msr_interception(svm);
> +	else if (exit_code == SVM_EXIT_VINTR)
> +		return interrupt_window_interception(svm);
> +	else if (exit_code == SVM_EXIT_INTR)
> +		return intr_interception(svm);
> +	else if (exit_code == SVM_EXIT_HLT)
> +		return halt_interception(svm);
> +	else if (exit_code == SVM_EXIT_NPF)
> +		return npf_interception(svm);
> +	else if (exit_code == SVM_EXIT_CPUID)
> +		return cpuid_interception(svm);
> +#endif

Same here; msr_interception and npf_interception are the main ones we
care about, plus io_interception which isn't listed probably because it
depends on the virtual hardware.

Paolo