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 11680C54EBE for ; Mon, 16 Jan 2023 21:23:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233335AbjAPVW7 (ORCPT ); Mon, 16 Jan 2023 16:22:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234293AbjAPVWx (ORCPT ); Mon, 16 Jan 2023 16:22:53 -0500 Received: from mail.skyhub.de (mail.skyhub.de [5.9.137.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5AFBE23645; Mon, 16 Jan 2023 13:22:52 -0800 (PST) Received: from zn.tnic (p5de8e9fe.dip0.t-ipconnect.de [93.232.233.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id D995F1EC0441; Mon, 16 Jan 2023 22:22:50 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1673904170; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=SvTq3QUKO/fSH18fq9ZAd93e/ucCBpnJFHBpsteItuU=; b=PUd8SkGifBQ8ZKXzqdEtcmE5Uf9eNwLtrb8cAkH8OzQEERiCXcf43p8STIqE+0ExQkgAyI GHkul9tFi6j0VazAKkiOk3IbvSYp2nJDZ5qa95AdXfZYtW9hiJyRh+u6EQb6FMxja827Ha wGHJMOX4LukUqlfAcd+Buw2KsbBnKnI= Date: Mon, 16 Jan 2023 22:22:50 +0100 From: Borislav Petkov To: Dave Hansen Cc: Kim Phillips , Dave Hansen , x86@kernel.org, Boris Ostrovsky , "H. Peter Anvin" , Ingo Molnar , Joao Martins , Jonathan Corbet , Konrad Rzeszutek Wilk , Paolo Bonzini , Sean Christopherson , Thomas Gleixner , David Woodhouse , Greg Kroah-Hartman , Juergen Gross , Peter Zijlstra , Tony Luck , Tom Lendacky , Alexey Kardashevskiy , kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v6 3/7] x86/cpu, kvm: Move the LFENCE_RDTSC / LFENCE always serializing feature Message-ID: References: <20230110224643.452273-1-kim.phillips@amd.com> <20230110224643.452273-5-kim.phillips@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 16, 2023 at 01:15:29PM -0800, Dave Hansen wrote: > I don't think so. > > I'd be surprised if we don't have a _few_ other cases like this around, > but nothing is coming to mind. Either way, it doesn't seem problematic. Yeah, probably. The cases I remember are the other way around - we map vendor-specific flags to synthetic ones... Anyway, thanks for checking! -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette