From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F635C04EBF for ; Mon, 23 Sep 2019 10:01:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C09520820 for ; Mon, 23 Sep 2019 10:01:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2407511AbfIWKBQ (ORCPT ); Mon, 23 Sep 2019 06:01:16 -0400 Received: from mx1.redhat.com ([209.132.183.28]:44024 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2407492AbfIWKBP (ORCPT ); Mon, 23 Sep 2019 06:01:15 -0400 Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8431969061 for ; Mon, 23 Sep 2019 10:01:15 +0000 (UTC) Received: by mail-wm1-f71.google.com with SMTP id s25so4762375wmh.1 for ; Mon, 23 Sep 2019 03:01:15 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:openpgp:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=zLUtLu/KnWnoHcEa1QOKwZwcnw55ztopnQ9cohxkH6o=; b=Efu5sDKXVWgkkd4odERoNZ/7WlB7eTBKhxvUqFav4DGrHW2zXDjjAISe/E9fFrY8xW bS7AuhgOujftmMipa+4dnmNvPf6HlECyfIepdKg125iZp5jNwEfvjQpNVW7azlU1bp4F 9vI0mnBqI92OPWIfgo9nt2BVg3ejpOOdhH2Qf/a6fTThFaDnIF2rtJMpollYLRtkOogn SZ/a0V7zQZSYe9RM1ka/k/eFhBvwCrENPqleacmOtbJpn5wcRVvEWb8juyvX8GiJu2q7 hshuJF1/1VioHDOByn0lC+d7NosftTucoCW1YsYmTzhLuFhQVTXh/skukgXHywq3zghU ayNw== X-Gm-Message-State: APjAAAX0Tq+oAQtlZ3zPRVHjCKUqlMXuOHjHnd9BvAPqjyuTuiTn9He8 RLtPLtEPZtTbkegkclcarxs1iit2RFbtwCEsHFrVZba08pJpRBvM7R3loFXVxgrL62xiBLbHSR7 IzmSri37imqZryFNQVO0E6oWC X-Received: by 2002:a05:600c:2108:: with SMTP id u8mr13679635wml.13.1569232873865; Mon, 23 Sep 2019 03:01:13 -0700 (PDT) X-Google-Smtp-Source: APXvYqzf6DaFBwbPJTjPYZbiX3JiRzzjw1+nWOqSyWiHD2a7XEhD9MUyWlT8nL2XJ6rB4p5x8F7MbA== X-Received: by 2002:a05:600c:2108:: with SMTP id u8mr13679624wml.13.1569232873623; Mon, 23 Sep 2019 03:01:13 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:9520:22e6:6416:5c36? ([2001:b07:6468:f312:9520:22e6:6416:5c36]) by smtp.gmail.com with ESMTPSA id l6sm12303726wmg.2.2019.09.23.03.01.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Sep 2019 03:01:12 -0700 (PDT) Subject: Re: [PATCH 16/17] KVM: retpolines: x86: eliminate retpoline from svm.c exit handlers To: Andrea Arcangeli Cc: Vitaly Kuznetsov , "Dr. David Alan Gilbert" , Marcelo Tosatti , Peter Xu , 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 Openpgp: preference=signencrypt Message-ID: 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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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