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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 0D44CECE59D for ; Tue, 15 Oct 2019 21:49:06 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D4C192064A for ; Tue, 15 Oct 2019 21:49:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="RyoR+Zzi"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="hzBYiXjP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D4C192064A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Z0+wurx8ScAxF/omAJUzxT5aoBWXUi+pvCpFQzwTHec=; b=RyoR+Zzig24VaQ pcJJvOFKbtV3qTBfxIQhqfv5AtSEilicB3sD6hzt79W96Yrie0GEYjg2S0BZQtcttTvk1565yr0fm 8IOY8QEYDzNjKFir438h/usqVFp65OHxwwc4FsKvX7cuMSJOqSTMVLTgRs/6AAVjnj1iZxMYvWqRP 8cXMt7t3nYnbRuuU6RZ8QiAYZMeXie4j8T+wkdwSL6RqgWx21i5aRxs/Ateu3ToMweAripZHUbyYa KYpoIKpSJHVOfgpDH3m22C41J71oqQefLcDJuMLPGHGdoIH51hpkkLteY5PyJDcmTsXK+7ylKzL7Y ve2aNomzOiEpPs6Z/pGw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iKUgi-00066q-QZ; Tue, 15 Oct 2019 21:49:04 +0000 Received: from mail-lj1-x243.google.com ([2a00:1450:4864:20::243]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iKUgg-00065w-BY for linux-snps-arc@lists.infradead.org; Tue, 15 Oct 2019 21:49:03 +0000 Received: by mail-lj1-x243.google.com with SMTP id v24so21826088ljj.3 for ; Tue, 15 Oct 2019 14:49:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=wItDXbX3LEWoTo1/kp4dk8aeAZ/2xJzKQP/tyONQ97k=; b=hzBYiXjPBdQglMHyHwZdH7Hfwgp8qRgeHE6/0plo981vFS0npABggAoHWs92Y0M4j4 6yInWWbjRDRm/aBcc9LUQovQyVPjXs9u2abaLNMMyRfQw3SRznL+/RbI8WTdojuOz1np +b80D6JSR28AZDW+EGzyd7AudQJVj7qyOksd4= 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=wItDXbX3LEWoTo1/kp4dk8aeAZ/2xJzKQP/tyONQ97k=; b=KRCErq2LoMkrlJzcas/EDpNXjMstH29/dZ5F3FGs4Xig0bpUXy93PKNfGBfzPx7XwI S4dCshuszm0IMZKm9eCZVR4bm5MQGGk8HlrKJw4cHoRQwJpVoo8ciQ6A0y0RXPu74VqE VvmhqUYLDn/aBQXr4zV10tEJsio7iH7UDQRYf2LKKvV1lKcZ1G6TvfMnuAiqtRsGKBKE 4xAzH758uCXrju4lpVv5jFsMScdg2OtXf2U6Jy75pAy9odQqUYg5O79KT9S6di2xTB17 paOHyY5pwik3gel5J/n0QkX0/8PYT8f4LaWX0fHEzSXKkbASA7HQ0ox51oqrNQ4/pRKF Ozew== X-Gm-Message-State: APjAAAXMakF2xTuJqZnG48UDKqd6qdRTl/o3r2a4lwziAPfyvzBpzK44 7Aonx8TW2HE0KR4TfAR/mz1RLUlqnUs= X-Google-Smtp-Source: APXvYqzCk4cwXVEn0dtKHvhdst9x3WiajRNPXMags/KLsWAnEqA/c66aqnQymUsBuEHVz/7o4/ok3w== X-Received: by 2002:a2e:9257:: with SMTP id v23mr22819572ljg.220.1571176140107; Tue, 15 Oct 2019 14:49:00 -0700 (PDT) Received: from mail-lf1-f45.google.com (mail-lf1-f45.google.com. [209.85.167.45]) by smtp.gmail.com with ESMTPSA id g5sm5327111ljk.22.2019.10.15.14.48.59 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Oct 2019 14:48:59 -0700 (PDT) Received: by mail-lf1-f45.google.com with SMTP id t8so15628154lfc.13 for ; Tue, 15 Oct 2019 14:48:59 -0700 (PDT) X-Received: by 2002:a19:5504:: with SMTP id n4mr4137650lfe.106.1571176138790; Tue, 15 Oct 2019 14:48:58 -0700 (PDT) MIME-Version: 1.0 References: <20191015191926.9281-1-vgupta@synopsys.com> <20191015191926.9281-2-vgupta@synopsys.com> In-Reply-To: <20191015191926.9281-2-vgupta@synopsys.com> From: Linus Torvalds Date: Tue, 15 Oct 2019 14:48:42 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v2 1/5] ARC: mm: remove __ARCH_USE_5LEVEL_HACK To: Vineet Gupta X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191015_144902_396379_5C81F950 X-CRM114-Status: UNSURE ( 7.95 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch , Arnd Bergmann , Peter Zijlstra , "Aneesh Kumar K . V" , Linux Kernel Mailing List , Nick Piggin , Linux-MM , Andrew Morton , linux-snps-arc@lists.infradead.org, Will Deacon , "Kirill A . Shutemov" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org On Tue, Oct 15, 2019 at 12:19 PM Vineet Gupta wrote: > > This is a non-functional change anyways since ARC has software page walker > with 2 lookup levels (pgd -> pte) Could we encourage other architectures to do the same, and get rid of all uses of __ARCH_USE_5LEVEL_HACK? Linus _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc