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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61EAFC433F5 for ; Mon, 27 Sep 2021 15:48:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3B02E61058 for ; Mon, 27 Sep 2021 15:48:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235317AbhI0PuF (ORCPT ); Mon, 27 Sep 2021 11:50:05 -0400 Received: from mail.skyhub.de ([5.9.137.197]:46876 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235313AbhI0PuC (ORCPT ); Mon, 27 Sep 2021 11:50:02 -0400 Received: from zn.tnic (p200300ec2f088a0026c8b82ffc70c2f8.dip0.t-ipconnect.de [IPv6:2003:ec:2f08:8a00:26c8:b82f:fc70:c2f8]) (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 791D51EC0345; Mon, 27 Sep 2021 17:48:19 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1632757699; 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:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=sXB97txbGpnndRLiF8a7c6AhXwkwZfB4h+OruKiOVBI=; b=OvgISGSXj2zbL3ZADKNFzZ7IzN588OYvgnYadirFN06DFJeAmH+bMcaSkWvDArys2SPDuP Rv3+CNZvch66OafJlP73tpJSJukKX00bjPHHxxbUNFdrz0yM9x6XNIWQ1ry5tikWaxwIJU o+cFdkRlL6Ycck9gMxDBuLyQkRzeCSs= Date: Mon, 27 Sep 2021 17:48:18 +0200 From: Borislav Petkov To: Babu Moger Cc: Paolo Bonzini , tglx@linutronix.de, mingo@redhat.com, x86@kernel.org, hpa@zytor.com, seanjc@google.com, vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org, tony.luck@intel.com, peterz@infradead.org, kyung.min.park@intel.com, wei.huang2@amd.com, jgross@suse.com, andrew.cooper3@citrix.com, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Subject: Re: [PATCH] KVM: x86: Expose Predictive Store Forwarding Disable Message-ID: References: <163244601049.30292.5855870305350227855.stgit@bmoger-ubuntu> <14993859-b953-b833-cdf2-ff2e29e9044d@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <14993859-b953-b833-cdf2-ff2e29e9044d@amd.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 27, 2021 at 10:47:01AM -0500, Babu Moger wrote: > > There are other guests than Linux.  This patch is just telling userspace > > Yes, That is the reason for this patch. And can you share, per chance, what their use case is? Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette