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=-18.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 CCE6FC433ED for ; Wed, 19 May 2021 05:36:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AE02261355 for ; Wed, 19 May 2021 05:36:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244818AbhESFhX (ORCPT ); Wed, 19 May 2021 01:37:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240282AbhESFft (ORCPT ); Wed, 19 May 2021 01:35:49 -0400 Received: from mail-pj1-x102d.google.com (mail-pj1-x102d.google.com [IPv6:2607:f8b0:4864:20::102d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4ACB8C061343 for ; Tue, 18 May 2021 22:34:27 -0700 (PDT) Received: by mail-pj1-x102d.google.com with SMTP id g6-20020a17090adac6b029015d1a9a6f1aso2926609pjx.1 for ; Tue, 18 May 2021 22:34:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=BvCMRttPf/TJqIxdmSUmQm/huvf1KSvWFJ4QU8dhZnk=; b=CV3ss4X4zAfCIAxywB9c5q8IlVUT1MajJkdkgC6I1ntnX9+2t276blstc5JZXkrArs yG6PXbxxCaQ0iHrRO2CTgoomX4v1YH1TnxgirKjmSoB7LwA38t8GXd0yxCpGO+jhizJY PCF7+9P80QUYBMoNxT667Bq5uW5JSS98qs6K+3tU79MJ7ztOWwNCN1aL3lBTvIxK8BRi dFSxrAvLrdEYdHAsJTz4u1zb1PKZXrbXOPwhtXvEdHbVYsqHgiMf1tfFpDKsdjwxFi9U U0rHSGwE7UjiFSnHUbE2LatX+hxDXvouahNkVFQCUdb8bE6cOGB45YagFvOLcXi2IFbm oULA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=BvCMRttPf/TJqIxdmSUmQm/huvf1KSvWFJ4QU8dhZnk=; b=rbPAhwjlLmS0myyAs6apRsKuCku1/TcfhOgEXJK7ik6UDB5Sl9V2Xkt0wrRcEAegdO BF48FWQtc+f5Xd4jm1bI+qOfPJM5O+NjKfjyuG+RojK6QBD1Oo1/GRctTmwYOpU/p2ue fsW/LK4mM0WKtNxj9V2Tk5nx5m340Ui6rdXdN5q4h5Wfig034fgib7MprMHPRlbdgXrx QERXW3OfY8wd0myt7lUPDgvuASdD6BWEaO01dFkKoPD+DGMJMPxu7cugaVph4ONjjwix ddMf3Ix3Yu8A4H8zey2gRgtSBVDR5ibiVfDJtd9LcGMCc+bf2Nr6Gwv27VuYtzJG4KGw 59WA== X-Gm-Message-State: AOAM530CPTPrP1RV2l1BDo8iKqGPvcXvXHr8nS0nc+hqzBzTUJVviJQZ L7btEFJ+x6N0ZLrwS6RrTgg1fWf9jOXl6lFz3XnQ7g== X-Google-Smtp-Source: ABdhPJyo4fL8c9W5UWz7sAEOga5ZdnbLPesZtp5YMsbclajiI+GYH9FAyRMTx+a8zYcjrPDC8/Fb/X6r2ucNAVseJIg= X-Received: by 2002:a17:90a:6f06:: with SMTP id d6mr9677207pjk.216.1621402466801; Tue, 18 May 2021 22:34:26 -0700 (PDT) MIME-Version: 1.0 References: <20210424004645.3950558-1-seanjc@google.com> <20210424004645.3950558-21-seanjc@google.com> In-Reply-To: <20210424004645.3950558-21-seanjc@google.com> From: Reiji Watanabe Date: Tue, 18 May 2021 22:34:11 -0700 Message-ID: Subject: Re: [PATCH 20/43] KVM: SVM: Don't bother writing vmcb->save.rip at vCPU RESET/INIT To: Sean Christopherson Cc: Paolo Bonzini , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Fri, Apr 23, 2021 at 5:51 PM Sean Christopherson wrote: > > Remove unnecessary initialization of vmcb->save.rip during vCPU RESET/INIT, > as svm_vcpu_run() unconditionally propagates VCPU_REGS_RIP to save.rip. > > No true functional change intended. > > Signed-off-by: Sean Christopherson Reviewed-by: Reiji Watanabe