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 C53D1C433FE for ; Tue, 1 Nov 2022 19:23:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230189AbiKATXT (ORCPT ); Tue, 1 Nov 2022 15:23:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230139AbiKATXR (ORCPT ); Tue, 1 Nov 2022 15:23:17 -0400 Received: from mail-pl1-x632.google.com (mail-pl1-x632.google.com [IPv6:2607:f8b0:4864:20::632]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 05B091E734 for ; Tue, 1 Nov 2022 12:23:16 -0700 (PDT) Received: by mail-pl1-x632.google.com with SMTP id p21so10617015plr.7 for ; Tue, 01 Nov 2022 12:23:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=LNQwlhlENpZgv8sfso/TY/zz7jFoKJR01U1ZwEI0uOQ=; b=M/vKqlOTWO9CVRsj4YgkIdeH1u8N5QF7m30fruLW35nWhTd6ythvm/qdKVBm4LMjxN BH6MtUDHDDxSpl4W1bDmuErV6n5gyU6mqRnLzrfvLgn8ijtXX7HUIY/gUjzc8+mg5tai 1TzmGW00P80uKZi5icpL/dH2V1ubGj74aCO6qlrDFkXq/LjnI5650O1d9VZ0GlpsIwCk cC5uT96A/zvR955IbcEeiieX6v6m/gOqogfbQCpYdqDOt05mQeAgeymmXkWICFEx8V43 mW7BzJU+l5ORb4Tfyno3iUKULva1wsv79D20FTs831RidhCWU+dXINnl+m7zgQ+4BZ1k ZMLA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=LNQwlhlENpZgv8sfso/TY/zz7jFoKJR01U1ZwEI0uOQ=; b=y6Afm/UofT//LFYEB2TsANU7djen+mf++IdHX+9lY2gOK6bsBIA6vRQVzDYVe/Jr6p KG6aT3uEvPg66TGa5YaKBBxyWfgeNoSMWAZOZHaYztnyQ87TTqjRoeDi6tk100oPCdPI sQzca2CJexyT+Hh/U8RBw02CAYOVkr2XMCuL/kyeV9lPy31EssH6SUopyKJ/EE+qee3E rJlcQZcB9qXt4OauFPW1BmUODK9mMGDQyYf+HZI9/24Ma6fcAPjBW6FFJkOXrE4eYcHh KO5mT3vbrmm7Z+KGggay7ck5OhHWX2oKAzKpzaUZLF8QDEHjA/EajEusdJB4Fd/7Vi3I Y9Lg== X-Gm-Message-State: ACrzQf1+DbBO1mZYRX6g2OmzDNn+IEXOQKFM/VtYCoZN4a4W4uBTuP2l +zfy8+23lDQGNr4W1/qBmOFd1A== X-Google-Smtp-Source: AMsMyM63XokBADComVqn+D2vm4/2kGQLBnSbAEvqg2iz98WEX9tTOvaJEinCa/p0PLGGXpf4YvaXdw== X-Received: by 2002:a17:902:ce0f:b0:187:640:42f with SMTP id k15-20020a170902ce0f00b001870640042fmr19641684plg.115.1667330595389; Tue, 01 Nov 2022 12:23:15 -0700 (PDT) Received: from google.com (7.104.168.34.bc.googleusercontent.com. [34.168.104.7]) by smtp.gmail.com with ESMTPSA id w145-20020a627b97000000b005632f6490aasm6869709pfc.77.2022.11.01.12.23.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Nov 2022 12:23:15 -0700 (PDT) Date: Tue, 1 Nov 2022 19:23:11 +0000 From: Sean Christopherson To: Jim Mattson Cc: kvm@vger.kernel.org, pbonzini@redhat.com Subject: Re: [PATCH v2 1/2] KVM: VMX: Guest usage of IA32_SPEC_CTRL is likely Message-ID: References: <20221019213620.1953281-1-jmattson@google.com> <20221019213620.1953281-2-jmattson@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221019213620.1953281-2-jmattson@google.com> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Wed, Oct 19, 2022, Jim Mattson wrote: > At this point in time, most guests (in the default, out-of-the-box > configuration) are likely to use IA32_SPEC_CTRL. Therefore, drop the > compiler hint that it is unlikely for KVM to be intercepting WRMSR of > IA32_SPEC_CTRL. > > Signed-off-by: Jim Mattson > --- Reviewed-by: Sean Christopherson