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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F2B42C433F5 for ; Fri, 10 Dec 2021 12:54:10 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.243823.421888 (Exim 4.92) (envelope-from ) id 1mvfPF-0000jO-KD; Fri, 10 Dec 2021 12:53:45 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 243823.421888; Fri, 10 Dec 2021 12:53:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1mvfPF-0000jH-HC; Fri, 10 Dec 2021 12:53:45 +0000 Received: by outflank-mailman (input) for mailman id 243823; Fri, 10 Dec 2021 12:53:44 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1mvfPE-0000jB-5q for xen-devel@lists.xenproject.org; Fri, 10 Dec 2021 12:53:44 +0000 Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [2a00:1450:4864:20::333]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 34724459-59b8-11ec-9d12-4777fae47e2b; Fri, 10 Dec 2021 13:53:43 +0100 (CET) Received: by mail-wm1-x333.google.com with SMTP id j140-20020a1c2392000000b003399ae48f58so8929542wmj.5 for ; Fri, 10 Dec 2021 04:53:43 -0800 (PST) Received: from [192.168.1.186] (host31-48-92-117.range31-48.btcentralplus.com. [31.48.92.117]) by smtp.gmail.com with ESMTPSA id a198sm2828488wmd.42.2021.12.10.04.53.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 10 Dec 2021 04:53:42 -0800 (PST) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 34724459-59b8-11ec-9d12-4777fae47e2b DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:reply-to:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=MqqlZyhoYH5VsQ1UfUV9Q7VMIcDmSWkliKoghQ+WXY8=; b=Uu2CVBSDDtiqCcV2JZyMktz3kVihFkZvv/BUEELddi5DpBhTb/4hNrWvQAvzJ+QAo5 ejW1wXV+A8wmEu8g9/vtg+XMgYAmmcb38UyJfm2Tjg7JJCCXTQH9ySSSU0GzmeWxN6D9 rBCBjS+SH2gilLL2twDogsYUNrzJuvPCEQqQnyuONGw7a6+XQMTPrDTuHP0q1FB5FxuK IHw+DxQZMYkxgrRGHN5KZrecWYj8zvRisQ091hVQenGn9kLfPDqvCoCAzz2MHrMgVk2y nZxgiQYvJhpZk/7cIhlzWQRNgnlWM32dgcI22UntDuVysv/X/GicCviKzmMfCX/5X6hl d7sQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:reply-to :subject:content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=MqqlZyhoYH5VsQ1UfUV9Q7VMIcDmSWkliKoghQ+WXY8=; b=ctD+3oe4caluoWIUcsYcYa5M5Nb2L3tt4PXJSOqjJhBY/6LtyEi/UVBHF2h4S3cRoP 9xAVoe9BjNjwVOsKDkbgPaykTUGXm9PShKKjLU06jbj3LyqDIDkE0FP+undU2XlXnqRc 4RGrT9uDRdtFr8seVtwQFULBEcU7WgzApadOok1LHvexmHpAQKMBBe8Ep8WLusxfYwdN 9U9nx1o7qb9x83F6n3SQ1ohJJCZ9nbiGGqpwJOjMF3npe0IIN4iRV8B429j2KH2z9aG1 vjbSAMfXXwSj7vYw2Agdthmu7h2+pTfva8TJYFVKzp2Cgl0DE8t0IWhSLsPCQ3YsB3Fl GsDg== X-Gm-Message-State: AOAM531IVcQqMajcEPdhiTNxGXxn9PUXfJgsOEhKnAnvFseHrmtoKQNC 6iXFMtwA8ORbPzWgtl3rd38= X-Google-Smtp-Source: ABdhPJxR0IKIiLsfKlqAPZWx5GbQPSBiE57jEJL7d1waZI6PXeWRX1nBF8NjOu0HzHr3xinKsigJIQ== X-Received: by 2002:a05:600c:3c8a:: with SMTP id bg10mr16451734wmb.106.1639140822539; Fri, 10 Dec 2021 04:53:42 -0800 (PST) Message-ID: <1a32f152-2d87-4227-d316-14f47daf31ac@gmail.com> Date: Fri, 10 Dec 2021 04:53:41 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.3.2 Reply-To: paul@xen.org Subject: Re: [PATCH 1/3] x86/HVM: permit CLFLUSH{,OPT} on execute-only code segments Content-Language: en-US To: Jan Beulich , "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , Wei Liu , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= , Paul Durrant References: <10c7b3c0-c64f-3d12-06d3-8c408f7c9f4c@suse.com> <53d783d7-aa53-f2de-6aa3-bd266f176dfb@suse.com> From: "Durrant, Paul" In-Reply-To: <53d783d7-aa53-f2de-6aa3-bd266f176dfb@suse.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 03/12/2021 03:21, Jan Beulich wrote: > The SDM explicitly permits this, and since that's sensible behavior > don't special case AMD (where the PM doesn't explicitly say so). > > Fixes: 52dba7bd0b36 ("x86emul: generalize wbinvd() hook") > Reported-by: Andrew Cooper > Signed-off-by: Jan Beulich Acked-by: Paul Durrant