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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 872E9C433FE for ; Fri, 11 Dec 2020 00:35:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4BF4C23D9A for ; Fri, 11 Dec 2020 00:35:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394570AbgLKAfE (ORCPT ); Thu, 10 Dec 2020 19:35:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57478 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730504AbgLKAeg (ORCPT ); Thu, 10 Dec 2020 19:34:36 -0500 Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 28F75C0613CF; Thu, 10 Dec 2020 16:33:56 -0800 (PST) Received: by mail-pf1-x443.google.com with SMTP id p4so5839111pfg.0; Thu, 10 Dec 2020 16:33:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=ofn+qwCdvU5zL1EmyJaz3NlaG2uiyQzoZVTIMzLIfWM=; b=eiHHVhCkWHULf2Tt3Yob7BaBni3m9kP8aFddsiZrtL7lTW7djoG9/saJ4DlVrRAeiS Wuq+7nCel7krxILaE1lSAzMoGW9+UVQf6dhxAOLu2UsPH2ug7IbTVTYNfJWQvDdulvyJ /xIsVdhLZKs6nTOkwsJ0UzKMW9SRTWJjfRxg4QO5XBcYEd+hvDsRhq/7ouNKwLRI4trq grXiHTVQGkFS65CA7L6h26fSmy32bbhUvFc8QJ+dLBCP/wsXzL1BAUGmlMCmpo4AMi2f pWEUP8ylvFSLR28dFjurA5xRcyn1D6wF+4UwZ4+cJyegUbxrSSKUIWX35dOxkQ5ffsKP 7g0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=ofn+qwCdvU5zL1EmyJaz3NlaG2uiyQzoZVTIMzLIfWM=; b=H+aJvLVeyU1u8a4e4V+T+teKjPzUrf1Ocz8Wvonv8QloZxS+rF2fOzlODVtsigR02W 21py6FsYsMyD1FzHeP5J2tvs82IQDY+QH9YTxnLNSGhNMMvN/1ZXcn2Di5/JmS1Q00cE JlMsYmoSX+nIWVo/Cc5f72awLWTRho0bFgh6jUzXYekwCoTxnpzlD1vNBE50xuGb5fCt s2w5cWYHjsbrE9G/obWp0TP5xvmnCBSSmBJy7IjvWQdlpyuB2zpiukXUo+/b7leScWyT R3/VnBB0lYPVX/t8sphtVgPOzx8MkN1nzMSi66NBzEhtfRY7svMlLcM6K0TWMkchBDrr ZcXQ== X-Gm-Message-State: AOAM532PT8AICn+YnT3ktZyAJb6JLti9f2BUGXsRKimzwP11Zi+/Ma1S cYAkAKjalzXTI7YbFCf8nkw= X-Google-Smtp-Source: ABdhPJzvxci3wICE8s2QLeWV/fRZEgpNiN2zMvjo9TGppkTlxV2fPkZIUiAWhM+q8laARvxiZEf25g== X-Received: by 2002:a17:90a:380c:: with SMTP id w12mr10210531pjb.117.1607646835722; Thu, 10 Dec 2020 16:33:55 -0800 (PST) Received: from localhost.localdomain ([168.63.153.116]) by smtp.gmail.com with ESMTPSA id f90sm8216116pjd.32.2020.12.10.16.33.51 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 10 Dec 2020 16:33:55 -0800 (PST) From: Stephen Zhang To: pbonzini@redhat.com, seanjc@google.com, vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Stephen Zhang Subject: [PATCH] kvm:vmx:changes in handle_io() for code cleanup. Date: Fri, 11 Dec 2020 08:33:46 +0800 Message-Id: <1607646826-97297-1-git-send-email-stephenzhangzsd@gmail.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Stephen Zhang --- arch/x86/kvm/vmx/vmx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 47b8357..e1954df 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -4899,15 +4899,15 @@ static int handle_triple_fault(struct kvm_vcpu *vcpu) static int handle_io(struct kvm_vcpu *vcpu) { unsigned long exit_qualification; - int size, in, string; + int size, in; unsigned port; exit_qualification = vmx_get_exit_qual(vcpu); - string = (exit_qualification & 16) != 0; ++vcpu->stat.io_exits; - if (string) + /* String instruction */ + if (exit_qualification & BIT(4)) return kvm_emulate_instruction(vcpu, 0); port = exit_qualification >> 16; -- 1.8.3.1