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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21F3DC7EE2A for ; Fri, 2 Jun 2023 01:23:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229524AbjFBBXt (ORCPT ); Thu, 1 Jun 2023 21:23:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233430AbjFBBXp (ORCPT ); Thu, 1 Jun 2023 21:23:45 -0400 Received: from mail-pj1-x1049.google.com (mail-pj1-x1049.google.com [IPv6:2607:f8b0:4864:20::1049]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 24FF2E78 for ; Thu, 1 Jun 2023 18:23:26 -0700 (PDT) Received: by mail-pj1-x1049.google.com with SMTP id 98e67ed59e1d1-2566e9b14a4so1349929a91.2 for ; Thu, 01 Jun 2023 18:23:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1685669005; x=1688261005; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=7J0QZWg6F2cc0DLXilV3bKM/pF3U54S5im29Dea9Lhs=; b=WDnXN6cxGejXgyZLVaMge75b8VlbpfUrlyKoWyy5hd1P7bs07/eewaNVxJXhK88tNu rFKYhvR11j+0Bk6ugBp7PMXRVlQjGsvThWmfATq13OXMofOMcyKgwo37EdicacWl2psD SBx1OdsoUMyEknZup+nfWluJPu+9FqzY7/ZqQzLrbEQaS0oNQsNf3sXIILyRp0rKtDcT mrWT/X1b2OQbqzQePLyccsSGYqt2GVKC7PXLOzqLMUdNw2SldYId3c9VngIG1I7v75cm 4IULVfQJzOzYp1jHzf22i9+GV6eeoHlAG0qwXGMW3mRmobC8xIdEoJJGNprvpxBeKYE8 HGSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685669005; x=1688261005; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=7J0QZWg6F2cc0DLXilV3bKM/pF3U54S5im29Dea9Lhs=; b=UHYwhcprbWbudJqK9ju+rBMS/QVivwlgfjLL7+WGTERjzRZeX2CCcV1+LBDl5PeOZK Fci/sSzmYzVbRds5zC8FWqh8V/QlSFCscBbkG9hWzHaGFPrCh7dZT1XPsoznoW0FCEqu MdPc8zGJ+u1eXqwFx1yo1OljxC7dzk+4qHFA3ha2aX+GqwRcaWW9P394kZsHrY9ECnsu XrPabJcv85VF5WQbjqxFozkIKHboLXl3wVI6Gfi/9vLMjLtjygheP3xkQG+vgVoi1AME YpC5JMWsXnB/I/7u2GuOog+AUjOitJb9SoOEJWV6hnFBtIj4LP5B/Vt15kcrUBIxy5Wq RyAg== X-Gm-Message-State: AC+VfDzbXdKEHGOzUJiebQSlaFQ1PVsqtNOHJXnGIsHd6Y/mor3zpI52 /Uzhcx7ebOv9kCdQEFuzK5XYcx46JVU= X-Google-Smtp-Source: ACHHUZ6bWOt2Unm0Phnx3wbcX63pxnyc9rhKkz2vLj3ye1wbaOKzXLfmn7+2LuPO44tnuuVop2PRHmS9jro= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a17:90b:e84:b0:256:6214:4834 with SMTP id fv4-20020a17090b0e8400b0025662144834mr215151pjb.4.1685669005481; Thu, 01 Jun 2023 18:23:25 -0700 (PDT) Date: Thu, 1 Jun 2023 18:23:13 -0700 In-Reply-To: <20230523165635.4002711-1-mizhang@google.com> Mime-Version: 1.0 References: <20230523165635.4002711-1-mizhang@google.com> X-Mailer: git-send-email 2.41.0.rc2.161.g9c6817b8e7-goog Message-ID: <168565201123.660980.11881398447176084138.b4-ty@google.com> Subject: Re: [PATCH v2] KVM: SVM: Remove TSS reloading code after VMEXIT From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini , Mingwei Zhang Cc: "H. Peter Anvin" , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Venkatesh Srinivas , Jim Mattson , Michael Roth Content-Type: text/plain; charset="utf-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 23 May 2023 16:56:35 +0000, Mingwei Zhang wrote: > Remove TSS reloading code after VMEXIT since upstream KVM after [1] has > already been using VMLOAD to load host segment state (including TSS). > Therefore, reload_tss() becomes redundant and could have been removed in > [1]. So fix it by removing remove reload_tss() and the relevant data field > tss_desc in svm_cpu_data as well as its data structure definition. > > [1] Check the Fixes tag. > > [...] Applied to kvm-x86 svm, thanks! [1/1] KVM: SVM: Remove TSS reloading code after VMEXIT https://github.com/kvm-x86/linux/commit/0d3518d2f8c3 -- https://github.com/kvm-x86/linux/tree/next https://github.com/kvm-x86/linux/tree/fixes