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=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=ham 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 28319C4743D for ; Fri, 4 Jun 2021 17:27:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1054061405 for ; Fri, 4 Jun 2021 17:27:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230261AbhFDR3P (ORCPT ); Fri, 4 Jun 2021 13:29:15 -0400 Received: from mail-pj1-f73.google.com ([209.85.216.73]:53067 "EHLO mail-pj1-f73.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229958AbhFDR3P (ORCPT ); Fri, 4 Jun 2021 13:29:15 -0400 Received: by mail-pj1-f73.google.com with SMTP id pf14-20020a17090b1d8eb029015c31e36747so5620041pjb.2 for ; Fri, 04 Jun 2021 10:27:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=p5DAeovxZ7wrgmDRjP+sOlFBRY+PyiE6SmRmHOZJBYY=; b=RVGm+2FC7bIETqrHZ4snFv9hATJXMrwKRNf2M7TawTlRXmjDbeV4QBbrJAD7etmVtT VPH4vuH92+JaMz65UJ/fErWbFwk2dV5z2R5aG+QIJ+lLEFCtV4X/TDRpFJ6SyGteMAt/ zrRvjqN4zITmypX0IpPqO3ILSlGoK7dxXWcJlHpV8a8Y3VBfzuycl7HUkDLcEs40KBmR VuW18U+N85pUK3FgXkz6QwIunLIxmTcjMYXCjMNQG1zv0lxjtMRF/PSHKI64mVCUl5Fs 6TT8VcTM7u6OMOBXcsQ6w1xJO49D7pW4UVZaUEZoJWtN0swd5+NgLyusau7SZIv0WNIC 7ZDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=p5DAeovxZ7wrgmDRjP+sOlFBRY+PyiE6SmRmHOZJBYY=; b=DJrj2S2uuOjnX0aEtPgjPDz6sCm6dvGJUnOS5FO3FMT7kEcXikazZi2hyCSOu8/oGs NMJ8mr2Mv2uCFfm9iWku+TbtEN/uH7ZI4vN7x3wjO9soiBskyy5NEcucatyd2oXVtvE+ v9BO3AO/Qf/oR7fW/7BZ72jcKyTlIIXe1JanhpMQdxQTpX3n6t9kPnDUxPwkbdmCebkC KJMxRjIQqUhGjJcDEJiABNVCt9+BcHDZRParP82ZsCq1nQqJkwrbcEPQvLE3AkoT7ZJD 5nzDYvDzt0Rw4vSwc1Oyi3BzGz5oYBJuqHiqy7NOZXzSLIzp0haaYWHiowM1ceWHwSDn UZ5g== X-Gm-Message-State: AOAM530+DLKXAYt+EqYgh8dw0T6cxMUOunSsIVq+ZfgZeh5LelutADby Ivj43RQxYg0aQ+bntudy2jLZ5bb0cc6RNA2GYY2j5XGbUUP7v71WWQOUWwfRPhAIj1Udb4/xa7M Sv+bKO3eyfzAFcHeP/GZFjCNfm5VyEl5lkmNGtKCvpR7C3FjSsGJceuzutcTenms= X-Google-Smtp-Source: ABdhPJzhKqG5tmYLa5uJHQ8cmrddNJFo0oukfoU8R5YBbZKpbh7rDh/bc0d7qYZFc5wgbyw/F+s1N5JIhvW4gg== X-Received: from tortoise.c.googlers.com ([fda3:e722:ac3:10:7f:e700:c0a8:1a0d]) (user=jmattson job=sendgmr) by 2002:a63:b955:: with SMTP id v21mr6140950pgo.230.1622827588623; Fri, 04 Jun 2021 10:26:28 -0700 (PDT) Date: Fri, 4 Jun 2021 10:26:00 -0700 In-Reply-To: <20210604172611.281819-1-jmattson@google.com> Message-Id: <20210604172611.281819-2-jmattson@google.com> Mime-Version: 1.0 References: <20210604172611.281819-1-jmattson@google.com> X-Mailer: git-send-email 2.32.0.rc1.229.g3e70b5a671-goog Subject: [PATCH v2 01/12] KVM: x86: Remove guest mode check from kvm_check_nested_events From: Jim Mattson To: kvm@vger.kernel.org, pbonzini@redhat.com Cc: Jim Mattson Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org A survey of the callsites reveals that they all ensure the vCPU is in guest mode before calling kvm_check_nested_events. Remove this dead code so that the only negative value this function returns (at the moment) is -EBUSY. Signed-off-by: Jim Mattson --- arch/x86/kvm/x86.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index b594275d49b5..882457e92679 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -8535,9 +8535,6 @@ static void update_cr8_intercept(struct kvm_vcpu *vcpu) int kvm_check_nested_events(struct kvm_vcpu *vcpu) { - if (WARN_ON_ONCE(!is_guest_mode(vcpu))) - return -EIO; - if (kvm_check_request(KVM_REQ_TRIPLE_FAULT, vcpu)) { kvm_x86_ops.nested_ops->triple_fault(vcpu); return 1; -- 2.32.0.rc1.229.g3e70b5a671-goog