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 DBAAFC433FF for ; Tue, 6 Aug 2019 14:59:20 +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 A344C20C01 for ; Tue, 6 Aug 2019 14:59:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="nHnwjYGc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A344C20C01 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=eQlnaWaUIEQZxV2anHtfQREK+B75B5B5SBATlufr48c=; b=nHnwjYGces21Cc wuXM5kA8DSuAczk204ndPqnSz8i+SK3Qakxv6elAuDIqeXVtCtquomuUFW0Ug2c5qqx5/E5Pr07XB xafNnP6NIhWL6427mzO3pmtDxZks/I++CA7KnQgf8yzzLRjgA87/Z2pncujlS67mlVX6jXDxVX9+o U2c5nyvPUvPC48NINUtx22N6TKTFORZ2IDuk5tRJc6+OCOt87MLf/bpDz8pWJ64rva9ycPf4iVYq7 o16JGIsH3EfT6RekcQAHHDi2wJHU0nzTY5Sfata6PhxTZ7+4DpIVdUYUFVIOxW0mHHIIFGPRGlsCr LgrZ6RiKlYQoDE5vqcLw==; 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 1hv0vo-0003fG-1d; Tue, 06 Aug 2019 14:59:20 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hv0sP-0008Go-Dk for linux-arm-kernel@lists.infradead.org; Tue, 06 Aug 2019 14:55:50 +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 6DCED344; Tue, 6 Aug 2019 07:55:48 -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 6B1713F706; Tue, 6 Aug 2019 07:55:47 -0700 (PDT) Date: Tue, 6 Aug 2019 15:55:45 +0100 From: Catalin Marinas To: Steve Capper Subject: Re: [PATCH V4 10/11] arm64: mm: Introduce 52-bit Kernel VAs Message-ID: <20190806145545.GF30716@arrakis.emea.arm.com> References: <20190729162117.832-1-steve.capper@arm.com> <20190729162117.832-11-steve.capper@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190729162117.832-11-steve.capper@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_075549_579472_AA3327D4 X-CRM114-Status: UNSURE ( 7.84 ) 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 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). -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel