Received: by 2002:a05:6358:3188:b0:123:57c1:9b43 with SMTP id q8csp1280042rwd; Wed, 31 May 2023 11:41:27 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ4VcnLgWJUT73FXcwnsYmh1W1t+gxK+v42oeuhHgKCgVC5WpB3mqzqzj2CY+IxvcDfSmFK4 X-Received: by 2002:a05:6a20:4304:b0:111:6d42:a8ac with SMTP id h4-20020a056a20430400b001116d42a8acmr6182105pzk.14.1685558487340; Wed, 31 May 2023 11:41:27 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1685558487; cv=none; d=google.com; s=arc-20160816; b=jBy/xh16bJ0FASxM1yTHoiYdspkXu3S4ulBGrGb8zJCt4hTczvtG4bPfm9K3RQ5gd6 fwoe/CSujKuzRVBv72DFgEv4JhzY8rBe9uWy1emiqfMQTgiYhjeq3ZRNlaW6vOLIE5uj CNhL3WMzPv+2sPaNLXk96wfRPfIMOz520B444TBjM/a9X8Gw6qbXvT2QDWRS23jofVjo 2gsIIuTn0MW/Mu6fIh/QWxze9yHa7empKHEo7uoWTcHQ1f9CXhPv3Tbz5nw7x7q0ReN4 8s90x2QzkwLm0oFEBQAcn8DpkybArdHXjredr5cLTjCyR4vJrh1g5Ee8X+66XlD3OWgy Qmyg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:from:subject:message-id:references :mime-version:in-reply-to:date:dkim-signature; bh=VCR2E0OYyzjkMYmrwYxsQ0pX07aftNB42Q5lU3ZTBDo=; b=Q1EP0LH/R/VBCNbe/iy+rdmvStK/UxZuJHCUktWtLokz0kuVColcs6Oq3cM59wjrPI a9BdgrXm+SX7+GA8K0AdHuoyGJKWbImZs59XcWp8rsSwqI7yB1UAxj914e58LyiO8htq gzar7tyB8V7AcccvJoGNLwoAO+5Dqm9SG/E1AUFV7devl1qTguJf9Tk0Iz/XjzG7CtCc u+jzPy0HbhaQpftVnK+K9IofzW/8jHIex6F9mxpQW7V107I93zVrPD+Hd8wQe2C0jrEw UCLneKgbE9VoE8cSa9a4VR8vzQhlzbU3+tbWSz17uQgnBlgegT93ozLH1DONhxoD/bSd uQ1g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@google.com header.s=20221208 header.b="hm/ZkpYP"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id 21-20020a170902c21500b001b039d82f9csi1324036pll.30.2023.05.31.11.41.14; Wed, 31 May 2023 11:41:27 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20221208 header.b="hm/ZkpYP"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229543AbjEaSUj (ORCPT + 99 others); Wed, 31 May 2023 14:20:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230315AbjEaSUf (ORCPT ); Wed, 31 May 2023 14:20:35 -0400 Received: from mail-yw1-x1149.google.com (mail-yw1-x1149.google.com [IPv6:2607:f8b0:4864:20::1149]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D2524126 for ; Wed, 31 May 2023 11:20:33 -0700 (PDT) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-5659a7d4c38so109122027b3.2 for ; Wed, 31 May 2023 11:20:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1685557233; x=1688149233; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=VCR2E0OYyzjkMYmrwYxsQ0pX07aftNB42Q5lU3ZTBDo=; b=hm/ZkpYPHYftUYuA5GHo4XGFOcvMsCyFXo92BIIOLA9o2527VOwKdZuhxK7U4n1osI WTFCq+1A7/z9FW3yEyVip4UW4tC0jl01/YzmKPqe3Wpvs1EyXx2wyfUe1pUVeJHtzOhX acAu6mLMgViST8ISRL0LMMYyBh+ImfUfbBZhbMrpFjg6NKJgtHd1+QSVqSSF7bvAnai0 q6xhu6LArX/Ct41x43JkOHxozyHk8L6MpRN1PEk2RY0hdVdC/3NyNoT5gHPTEtIa/UbR qNevkWEMKN5K7AvGCS9S2gO/0F5x+ldwjobn6OwxgsfC7/CfLDynjwOCSUxtl2+PBx73 Atpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685557233; x=1688149233; 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=VCR2E0OYyzjkMYmrwYxsQ0pX07aftNB42Q5lU3ZTBDo=; b=k6NkOrQNS+ZJd40oiaB/gaanZ3rwecMTKag3EKHv0yJhCvrU9MmTMT607NgLbtYWdi pLdJCYvmL76Sni+hQc5Ypgpdi14f5yk6l+yWSBzSkx80m9WCrKV8VRFh1uWw6vX2a3Te 5aWTutB5i+Sf1Fxs/CeJUU8JRn0R+d03S2LT4tfnqQ0896NCCzl4qM8HyOB8gjQVQjCb BVGQ5OMSh0FiRu/TX0hynp+ro4lb6KffBSB2mSCKeUIxV5lhYjunAQFW3NaEssBcA3Ir vykM5NKCWGoU3PNNX4wuO257ElnU3jF7SOHLaQLhbnnTgPjqzK+RHMWKj1D+kicdx9sh /WAQ== X-Gm-Message-State: AC+VfDy7bkbfj32geZojR39uQQemCnwCyl6/GXknRG/ivfrYvYOctS2+ 27kjP0iG9t6dRNuPBLNrm1r40V7KmkY= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a81:4519:0:b0:568:9e88:6aa4 with SMTP id s25-20020a814519000000b005689e886aa4mr3687665ywa.6.1685557233090; Wed, 31 May 2023 11:20:33 -0700 (PDT) Date: Wed, 31 May 2023 11:20:31 -0700 In-Reply-To: <20230531155821.80590-1-jon@nutanix.com> Mime-Version: 1.0 References: <20230531155821.80590-1-jon@nutanix.com> Message-ID: Subject: Re: [PATCH] KVM: VMX: restore vmx_vmexit alignment From: Sean Christopherson To: Jon Kohler Cc: Paolo Bonzini , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Josh Poimboeuf , "Peter Zijlstra (Intel)" , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Alexey Dobriyan Content-Type: text/plain; charset="us-ascii" X-Spam-Status: No, score=-9.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 31, 2023, Jon Kohler wrote: > Commit 8bd200d23ec4 ("KVM: VMX: Flatten __vmx_vcpu_run()") changed > vmx_vmexit from SYM_FUNC_START to SYM_INNER_LABEL, accidentally > removing 16 byte alignment as SYM_FUNC_START uses SYM_A_ALIGN and > SYM_INNER_LABEL does not. Josh mentioned [1] this was unintentional. Anyone know if this is this stable material, or just nice to have?