Received: by 2002:a05:6a10:a852:0:0:0:0 with SMTP id d18csp689596pxy; Fri, 30 Apr 2021 14:12:19 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyR4mTBBxarmcalIhw4fKQ2b/MJFw91xdJvcB3VcjtBBgoHaF6wquN8Zyt6osC6cCnlgi0U X-Received: by 2002:aa7:85d7:0:b029:25d:2b00:2c6c with SMTP id z23-20020aa785d70000b029025d2b002c6cmr6617484pfn.3.1619817139246; Fri, 30 Apr 2021 14:12:19 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1619817139; cv=none; d=google.com; s=arc-20160816; b=RYIok22a1XyqfMoXuIHRmX8IU2ic16fwdrGJAZVlOO2ZPKRJ2ekbi5vIfKNY4KOb62 96sXCdpI8mVEX1Hum2q5U6gQupWYi4ZHsYx/fCnKnv7kOf3T+sSMm7oCScovAOS6eNCP w9F6FnfejWD23ICVrD0b+yYpe3mmKlhaoPblVvnP2qcarn305a7QLw74MKJuf4pXrh02 1/VZD8OOO6UiaUlv3eFNqhN2ciqtKoZ+jQ2lTjaip5zOCHVj4YMy9hz0qLCLt+HYYiIJ qzwVbBhJbs0t5eKjo98UpQoc2/1FS32+x3+XF8FgIi+VMWPZAUpYorHLA+H+wcDp5RhH g3Ug== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=R7SUAKctQXSO3bp7YOOvdGp4SijTzrM9sqUzSwirMSg=; b=jkWYBeP+AN5Cw1E5gv7xbRYz9K5ZGIRp11OP4eUCTmag/oBml25Ad8zQplIoNRHGTJ Nis1iE9WZiHyeY43PyPyE2cn+p4ijOQBA6cwhgYHMRoHAuGzvo3NWbrjJTdFmBQdgGM1 kvn0RliOONY4YSxsqBQhWYskiXmj/Faq3o7eVg/or1a5tjYbc5YuGLQCxZ5GTB0/ywOL heGEUpk2oujVjNzb7TiKNp6hJnVsTHR/6y7DbutEhPIOHPJa1AFSuppDEBB1Yj0L7joK tLuJuO+LH5EC9fZAcrKebebqMECZhzzj3FwcTDDYUOVI/JFCu8rtKc8jDb3J491rJgWX ypqQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=rVOucNWX; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id v3si3191511pjh.0.2021.04.30.14.12.06; Fri, 30 Apr 2021 14:12:19 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=rVOucNWX; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236215AbhD3VMQ (ORCPT + 99 others); Fri, 30 Apr 2021 17:12:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236210AbhD3VMQ (ORCPT ); Fri, 30 Apr 2021 17:12:16 -0400 Received: from mail.skyhub.de (mail.skyhub.de [IPv6:2a01:4f8:190:11c2::b:1457]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 73682C06174A for ; Fri, 30 Apr 2021 14:11:27 -0700 (PDT) Received: from zn.tnic (p200300ec2f0c57007f2124644a28e2fb.dip0.t-ipconnect.de [IPv6:2003:ec:2f0c:5700:7f21:2464:4a28:e2fb]) (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 052321EC0493; Fri, 30 Apr 2021 23:11:25 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1619817086; 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=R7SUAKctQXSO3bp7YOOvdGp4SijTzrM9sqUzSwirMSg=; b=rVOucNWXmpJtuzMocO+sF8MKOqGLnu6cvuCx1isFubzfQdgX0upKzb7OAouqstsfhZuanR H/YByaiBroaX4NXZMbIknjAOVD+ukcxRjHaQXjYtagqr7nVtUUFdgUF+n+7jR0TgQbRo1N 9SF7kNvsr/GSJTBrZYUCCIXlWKgVbAo= Date: Fri, 30 Apr 2021 23:11:21 +0200 From: Borislav Petkov To: Reiji Watanabe Cc: Ramakrishna Saripalli , linux-kernel@vger.kernel.org, x86@kernel.org, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, Jonathan Corbet , bsd@redhat.com Subject: Re: [PATCH v4 1/1] x86/cpufeatures: Implement Predictive Store Forwarding control. Message-ID: References: <20210430131733.192414-1-rsaripal@amd.com> <20210430131733.192414-2-rsaripal@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 Fri, Apr 30, 2021 at 02:03:07PM -0700, Reiji Watanabe wrote: > Could you please clarify ? Clarify what? I asked you whether you have a VM use case. Since you're talking/asking about virt support, you likely have some use case in mind... -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette