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=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 47D33C07E95 for ; Wed, 14 Jul 2021 02:26:05 +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 1398C611C0 for ; Wed, 14 Jul 2021 02:26:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1398C611C0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+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.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=jjO9jYUFcafbAroM5bywu0KyBdFwjyZ7AbKtCvjxwY0=; b=ejt4w9toNAvlec OxBtIMEK4TJSO/Nik4eeDIzHqbxJAqkNeSxZrzLgsSHtrY1CcIkyAs+mbvPxK/jWdcv4b1BFlzHgC krO39OmT1U0tk3MrQrUGplho9633Rj1TVF1vBWAn+u5DcwgKNU3P4uLjcUrSzG7UK2NgspKRcn8S2 r08EtoAOjHLnTnsB0rh0uXoD9pU6jK5WlU9DsNhYHmBwzHITJWor7DQbHGBeERdRlE52mBqPPlyZn 6qVz6jNqDLA6MP97pkrZCB/BXYSxlGSfVRnVq9dkT4A3Xau6x+ECvZiGi1cSg+trQEABGc3gQVIYP 8JNTTCD8juVQT5FlyvHQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m3UYj-00By8E-Jr; Wed, 14 Jul 2021 02:23:37 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m3UWT-00BxWn-9H for linux-arm-kernel@lists.infradead.org; Wed, 14 Jul 2021 02:21:18 +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 6CCC71FB; Tue, 13 Jul 2021 19:21:16 -0700 (PDT) Received: from p8cg001049571a15.arm.com (unknown [10.163.65.222]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id F1BBA3F7D8; Tue, 13 Jul 2021 19:21:12 -0700 (PDT) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: akpm@linux-foundation.org, suzuki.poulose@arm.com, mark.rutland@arm.com, will@kernel.org, catalin.marinas@arm.com, maz@kernel.org, james.morse@arm.com, steven.price@arm.com, Anshuman Khandual Subject: [RFC 03/10] arm64/mm: Add FEAT_LPA2 specific TCR_EL1.DS field Date: Wed, 14 Jul 2021 07:51:24 +0530 Message-Id: <1626229291-6569-4-git-send-email-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1626229291-6569-1-git-send-email-anshuman.khandual@arm.com> References: <1626229291-6569-1-git-send-email-anshuman.khandual@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210713_192117_446470_1DAE6839 X-CRM114-Status: UNSURE ( 8.09 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 --- arch/arm64/include/asm/pgtable-hwdef.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h index 66671ff..1eb5574 100644 --- a/arch/arm64/include/asm/pgtable-hwdef.h +++ b/arch/arm64/include/asm/pgtable-hwdef.h @@ -275,6 +275,7 @@ #define TCR_E0PD1 (UL(1) << 56) #define TCR_TCMA0 (UL(1) << 57) #define TCR_TCMA1 (UL(1) << 58) +#define TCR_DS (UL(1) << 59) /* * TTBR. -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel