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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, 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 3E2A9C4338F for ; Thu, 5 Aug 2021 17:06:12 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9A1A361132 for ; Thu, 5 Aug 2021 17:06:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 9A1A361132 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 400CF6B0071; Thu, 5 Aug 2021 13:06:11 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3896E6B0072; Thu, 5 Aug 2021 13:06:11 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 250ED8D0001; Thu, 5 Aug 2021 13:06:11 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0137.hostedemail.com [216.40.44.137]) by kanga.kvack.org (Postfix) with ESMTP id 0A7486B0071 for ; Thu, 5 Aug 2021 13:06:11 -0400 (EDT) Received: from smtpin31.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id AC24A182CCF38 for ; Thu, 5 Aug 2021 17:06:10 +0000 (UTC) X-FDA: 78441654900.31.19B73D2 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf22.hostedemail.com (Postfix) with ESMTP id 6CA833720 for ; Thu, 5 Aug 2021 17:06:10 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id E9D52610FB; Thu, 5 Aug 2021 17:06:07 +0000 (UTC) Date: Thu, 5 Aug 2021 18:06:00 +0100 From: Catalin Marinas To: Anshuman Khandual Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, suzuki.poulose@arm.com, mark.rutland@arm.com, will@kernel.org, maz@kernel.org, james.morse@arm.com, steven.price@arm.com Subject: Re: [RFC V2 03/10] arm64/mm: Add FEAT_LPA2 specific TCR_EL1.DS field Message-ID: <20210805170559.GD6719@arm.com> References: <1627281445-12445-1-git-send-email-anshuman.khandual@arm.com> <1627281445-12445-4-git-send-email-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1627281445-12445-4-git-send-email-anshuman.khandual@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 6CA833720 Authentication-Results: imf22.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none); spf=pass (imf22.hostedemail.com: domain of cmarinas@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=cmarinas@kernel.org X-Stat-Signature: qy9pwynsrtznjkproy4yoajth7hco6hu X-HE-Tag: 1628183170-711241 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Jul 26, 2021 at 12:07:18PM +0530, Anshuman Khandual wrote: > As per ARM ARM (0487G.A) TCR_EL1.DS fields controls whether 52 bit input > and output address get supported on 4K and 16K page size configuration, > when FEAT_LPA2 is known to have been implemented. This adds TCR_DS field > definition which would be used when FEAT_LPA2 gets enabled. > > Signed-off-by: Anshuman Khandual Acked-by: Catalin Marinas