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=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 0EEAEC5CFE7 for ; Wed, 11 Jul 2018 13:00:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B58F22086B for ; Wed, 11 Jul 2018 13:00:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B58F22086B 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-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387675AbeGKNFG (ORCPT ); Wed, 11 Jul 2018 09:05:06 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:35300 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732420AbeGKNFG (ORCPT ); Wed, 11 Jul 2018 09:05:06 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 9D00D7A9; Wed, 11 Jul 2018 06:00:52 -0700 (PDT) Received: from [10.1.206.73] (en101.cambridge.arm.com [10.1.206.73]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 413BF3F5AD; Wed, 11 Jul 2018 06:00:50 -0700 (PDT) Subject: Re: [PATCH v5 2/7] KVM: arm/arm64: Introduce helpers to manupulate page table entries To: Punit Agrawal , kvmarm@lists.cs.columbia.edu Cc: linux-arm-kernel@lists.infradead.org, marc.zyngier@arm.com, christoffer.dall@arm.com, linux-kernel@vger.kernel.org, will.deacon@arm.com, Russell King , Catalin Marinas References: <20180709143835.28971-1-punit.agrawal@arm.com> <20180709144124.29164-1-punit.agrawal@arm.com> <20180709144124.29164-2-punit.agrawal@arm.com> From: Suzuki K Poulose Message-ID: <691fcde0-b0a2-d258-ac99-49c6c4794247@arm.com> Date: Wed, 11 Jul 2018 14:00:48 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <20180709144124.29164-2-punit.agrawal@arm.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/07/18 15:41, Punit Agrawal wrote: > Introduce helpers to abstract architectural handling of the conversion > of pfn to page table entries and marking a PMD page table entry as a > block entry. > > The helpers are introduced in preparation for supporting PUD hugepages > at stage 2 - which are supported on arm64 but do not exist on arm. > > Signed-off-by: Punit Agrawal > Acked-by: Christoffer Dall > Cc: Marc Zyngier > Cc: Russell King > Cc: Catalin Marinas > Cc: Will Deacon > --- Reviewed-by: Suzuki K Poulose