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=-2.3 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,USER_AGENT_SANE_1 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 66B1DC31E40 for ; Tue, 6 Aug 2019 15:00:42 +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 3BA8120C01 for ; Tue, 6 Aug 2019 15:00:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="PSoLzuau" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3BA8120C01 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=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:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=92Vcuu+fWGSsvhzqTpJ9ZYXyZje2OnBY/o2Q5ZkfbzU=; b=PSoLzuauanajid VkILK0qLzCcXijnIG/FEU42GS/Z40yLv01diCyoYr6u2k7fxM3sSMjgnEoEdwJ1DB63X1iHOIC9Km Cl74zwPe2omz8Gt7ZmNnoJCs7OAvx5/U8wQmmwMpMXih9WF4GUT11CywPSsL2x2sMqUhomc24JIDH e3/sM5WYnjXGQYvwd8yBCxLu1XfsXGLV9T1kHqWK32S24RqvRqBIVIDUozMrk1VHaDA5PD9Zc7KjF 3412km0MR4B7oKegsPRscnpPFF5xxfQFPE+PCClQQPBghqBy49LNQSy3hRROxu0T+vyKAV+/cP1xw TclqW1fG5UWzzcyrwImw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hv0x7-00077Y-Of; Tue, 06 Aug 2019 15:00:41 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hv0vC-000311-16 for linux-arm-kernel@lists.infradead.org; Tue, 06 Aug 2019 14:58:43 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 524FC1715; Tue, 6 Aug 2019 07:58:41 -0700 (PDT) Received: from arrakis.emea.arm.com (arrakis.cambridge.arm.com [10.1.196.78]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 507893F706; Tue, 6 Aug 2019 07:58:40 -0700 (PDT) Date: Tue, 6 Aug 2019 15:58:38 +0100 From: Catalin Marinas To: Steve Capper Subject: Re: [PATCH V4 10/11] arm64: mm: Introduce 52-bit Kernel VAs Message-ID: <20190806145838.GG30716@arrakis.emea.arm.com> References: <20190729162117.832-1-steve.capper@arm.com> <20190729162117.832-11-steve.capper@arm.com> <20190806145545.GF30716@arrakis.emea.arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190806145545.GF30716@arrakis.emea.arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190806_075842_214412_EA4CFBBF X-CRM114-Status: UNSURE ( 9.54 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: crecklin@redhat.com, ard.biesheuvel@linaro.org, maz@kernel.org, bhsharma@redhat.com, will@kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Aug 06, 2019 at 03:55:45PM +0100, Catalin Marinas wrote: > On Mon, Jul 29, 2019 at 05:21:16PM +0100, Steve Capper wrote: > > @@ -759,13 +759,14 @@ config ARM64_VA_BITS_47 > > config ARM64_VA_BITS_48 > > bool "48-bit" > > > > -config ARM64_USER_VA_BITS_52 > > - bool "52-bit (user)" > > +config ARM64_VA_BITS_52 > > + bool "52-bit" > > I think we should change defconfig as well to make this the default. We > tend to make defconfig cover all the architecture features we support > and people can disable them if they get in the way (performance). Ignore this. It only works with 64K pages and our defconfig is 4K. -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel