Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp1985515ybt; Thu, 2 Jul 2020 20:19:13 -0700 (PDT) X-Google-Smtp-Source: ABdhPJznKSuOJu/NJnVk5pTScBbZT42bz/bgO+8hpNW+bdZf15m8whkMRbV+VBPbpIk0PlUBuF3H X-Received: by 2002:a17:906:1254:: with SMTP id u20mr10452035eja.540.1593746353198; Thu, 02 Jul 2020 20:19:13 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1593746353; cv=none; d=google.com; s=arc-20160816; b=lmmy/qc1tssE0gMzNtrM0Du16z4/yk5SQvnAO3Ry5p/lN7N15QaG2nCzBfIHWAVgrI NcFz2TfmMSkz6/I0RBRA2V5Ds42RAAj1rKfCtQ7RZdcCemsycWqBteJAF+RytRDEB4TU IJJjsVg2K6/1i7OGUhzHULNIR/otvOXFveVilGwMmKYc7KBQp76bSnpMWfY+1g5bhj7R CajUqBvt5fnhV7qvpzKkKqC2W5uWL+l54Cc3zlE0+KcYdsi6aSN/cK0Kj7QHrunnLTrf 0XwjFpZdVo2x3wE5bc07HR9le1pW8Gc/FFDVi0YxX+QeNDUyvcbULa0qRFM4VQx6NzMk GsCQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=SnMOmiMqg2WYRkuEFv442IXE+//Cr5LIjZGsSifmgGU=; b=ln3KaaY9xZIm70bZmQJ087e6/PhujBip261tEpICFxb9b4ibz9wFFm+IUNzaw65aJN aCvuP7Qzs8dmghez/PH3WIFO02zrh5mRz2EhJiPKbjCwKh/8hjvrND2vqI8/gDPzN2eZ aVbMiJKRyLu1Jy55tMoI2txjKBmNgEft/cEP0THHqO1jzwNftmP0AsWvLPef093fGSyS 9jcxKod/uyGKnLpUvv2XNM8FBcSnUB82FIwJqNaB82+Qc71sZrsTEmZKtUQQB8NB1Zh6 GqLy+yDcuI0/+KOrysINu3THj9OcYLvy3XIBC5LZUr12gPs7K3IcOS2K5YZ0Kd6pXBcd dwoA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=pz8std7z; 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=REJECT sp=REJECT dis=NONE) header.from=google.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id n24si6943564edt.561.2020.07.02.20.18.50; Thu, 02 Jul 2020 20:19:13 -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=@google.com header.s=20161025 header.b=pz8std7z; 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=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725937AbgGCDS1 (ORCPT + 99 others); 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-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.