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=-5.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 276D9C32751 for ; Wed, 7 Aug 2019 16:16:27 +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 EE5E12229C for ; Wed, 7 Aug 2019 16:16:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Vu1ZKy7U" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EE5E12229C 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=xs4HACbrfxegDH7sU0R1FChyILplYK/9wGeGqM3GjEg=; b=Vu1ZKy7UJSUYCM rwxdV0Bk00NvOpPRg+AVrEmLNc0o0g9AHwUi84o7hgkBYDDQBRu36i5afWsvhuxP+vHs9R8LHnsKI LU7PFeqSUuHYYWE9JI6gn8bLcFnmXrIRXSKMV1VfEG0RXrZhIKe3Wr0fV1x9O6eqfis2qMnSvuwkU yT43SSNtiYNG6JT6fVMZYeeDWlbfWde9SG2J+3QrTyke8PwvTTi/O8aLZC0WdF//UbzZSo0C62KKr gc/WGQ0ndBqUnZbWxOLRVrdoByHNXB7OIK+wtU8piVVy6x9wvUHqA79wZn1FdWcLffHD8sbu2lhYX McANHBifGH2eYBwOMBnw==; 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 1hvObx-0002mj-L0; Wed, 07 Aug 2019 16:16:25 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hvObl-0002cz-Kq for linux-arm-kernel@lists.infradead.org; Wed, 07 Aug 2019 16:16:14 +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 49470344; Wed, 7 Aug 2019 09:16:13 -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 479843F694; Wed, 7 Aug 2019 09:16:12 -0700 (PDT) Date: Wed, 7 Aug 2019 17:16:10 +0100 From: Catalin Marinas To: Steve Capper Subject: Re: [PATCH V5 06/12] arm64: mm: Introduce vabits_actual Message-ID: <20190807161609.GD1766@arrakis.emea.arm.com> References: <20190807155524.5112-1-steve.capper@arm.com> <20190807155524.5112-7-steve.capper@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190807155524.5112-7-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-20190807_091613_807883_F65231D5 X-CRM114-Status: GOOD ( 10.49 ) 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 Wed, Aug 07, 2019 at 04:55:18PM +0100, Steve Capper wrote: > In order to support 52-bit kernel addresses detectable at boot time, one > needs to know the actual VA_BITS detected. A new variable vabits_actual > is introduced in this commit and employed for the KVM hypervisor layout, > KASAN, fault handling and phys-to/from-virt translation where there > would normally be compile time constants. > > In order to maintain performance in phys_to_virt, another variable > physvirt_offset is introduced. > > Signed-off-by: Steve Capper Reviewed-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel