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 X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6895C433DF for ; Fri, 3 Jul 2020 03:18:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A61A208FE for ; Fri, 3 Jul 2020 03:18:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="pz8std7z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726106AbgGCDS1 (ORCPT ); Thu, 2 Jul 2020 23:18:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726033AbgGCDS0 (ORCPT ); Thu, 2 Jul 2020 23:18:26 -0400 Received: from mail-lj1-x241.google.com (mail-lj1-x241.google.com [IPv6:2a00:1450:4864:20::241]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6DAB9C08C5DD for ; Thu, 2 Jul 2020 20:18:26 -0700 (PDT) Received: by mail-lj1-x241.google.com with SMTP id b25so31451684ljp.6 for ; Thu, 02 Jul 2020 20:18:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=SnMOmiMqg2WYRkuEFv442IXE+//Cr5LIjZGsSifmgGU=; b=pz8std7zGDPAzQbBHwIU8GQ9PYnki3vnQg1S+g8xcStJyQGOf7h9K2tjws4NQYZGVn KG+gviz7YmCOqXx/N7MmeNy+aFleVzwoqH2WbDjnomfwn6gePzftQrM62+nmZa2FtTgN 3RPWN0kwjqNMvGYLXzy2bON6GrITj44PHfVeO+Rv4wkKVyU6mdbNZsnmfbmyyQSXwF+S eReoo3Tzt2k9gGnEUktUPKb20MqyGVaZ+vFpFro4FZBP+VqMYFMMluPQF82pBjnSBJ8e V1dvRqOAUpJHUYQR/LbT6oy8TKpsbqnkwACdXO6k/jzAm1YCry5i5JBmdwVekF+KP9xP G+DQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=SnMOmiMqg2WYRkuEFv442IXE+//Cr5LIjZGsSifmgGU=; b=UPRZMYWHbYBFshxSyGGR95jOWOipCbGXI2GNkW8yn69a+MUNgF0wesOLUBdl+bQVow Ks5QApRGwMf7YSsWhTjgrw9gtLV4F7igKKQKC5Nwhffrdduac7Bi5AzcoHJ9RlgntCfJ aJIvR4GjKYE/wYq0VzGRT6OBRNt/m6UpYEsJ/vRVSM4X3El+5dDr1/ewcFeTbOUR7ZGl IWyWRsdGaM+2LrkkzpLy+ax5JVIjAPqcRZE7KfBOTtareTokAvhv7kBCD1hy5v5nr7i7 Z1rH9kep/us278/ReLlwIZfxG3IJR9ignyLoCKSZAfP1IxSawLqYCVPNIxvqLwd6Ete0 Qdjg== X-Gm-Message-State: AOAM530gquvqLqV09NS+eFt6BMTIAdiuz60gW9c77AmPEmSTg3vt7a1O SJr1UNuvxrZDUpYuWfTR6bVMe4sSaW/0ph91VD8aqwCkowH9 X-Google-Smtp-Source: ABdhPJwPFU+9EQTP5K1YXtpLPRAQ3J3q2LA6wf+jGVOsBO3Wr5BMBI8imsYtPUbefbuQhAsWeMrSO92HOLH3cKIYsqw= X-Received: by 2002:a2e:4b12:: with SMTP id y18mr16378986lja.117.1593746304544; Thu, 02 Jul 2020 20:18:24 -0700 (PDT) MIME-Version: 1.0 References: <20200702221237.2517080-1-abhishekbh@google.com> In-Reply-To: From: Anthony Steinhauser Date: Thu, 2 Jul 2020 21:17:39 -0600 Message-ID: Subject: Re: [PATCH v3] x86/speculation/l1tf: Add KConfig for setting the L1D cache flush mode To: Abhishek Bhardwaj Cc: LKML , Waiman Long , Borislav Petkov , "H. Peter Anvin" , Ingo Molnar , Jim Mattson , Joerg Roedel , Josh Poimboeuf , Mark Gross , Mike Rapoport , Paolo Bonzini , Pawan Gupta , Peter Zijlstra , Sean Christopherson , Thomas Gleixner , Tony Luck , Vitaly Kuznetsov , Wanpeng Li , kvm@vger.kernel.org, x86 Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Yes, this probably requires an explanation why the change is necessary or useful. Without that it is difficult to give some meaningful feedback.