From patchwork Wed Feb 27 17:05:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Price X-Patchwork-Id: 10831987 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9FEF815AC for ; Wed, 27 Feb 2019 17:08:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 842152E306 for ; Wed, 27 Feb 2019 17:08:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 775DE2E33E; Wed, 27 Feb 2019 17:08:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 2ACBA2E306 for ; Wed, 27 Feb 2019 17:08:32 +0000 (UTC) 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:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=NPQdITwY+znopPGTFRxXvr82PspNYXkqRQ3TghLJW1Q=; b=jjRNxoOjFZmZpr mj0w0sAiRqThRR0HwPBbcLJRHIrsrcIaocIOPBply2i/jljmENc0slPIYcKoCPycLxSe1qpJrtxoM ZxwyOfVDhiEm+dbeCwF3wqRbGR5CAGTR9K1AluJzNnPbvqt/vOE3uqhW4XexjC/IQXq8niphbvu8x o8Scjw7vewLdfooFnx90kuToq1SlugUZeXSjo6D8lZtRGB8aWnV7P9Hpd8VPKbKdyNIJb/XdfInc7 K/apPbPnROxvwvLi0tJHpOVL7nCXanjOlEHKkVSJgkRp/60SPuZmfdE/HMDyYzzqL8PuZVHpOrn70 HYw6rZKZpX7Cnhy7qWgA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gz2gz-00011x-Vb; Wed, 27 Feb 2019 17:08:26 +0000 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70] helo=foss.arm.com) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gz2fW-0007ws-VQ for linux-arm-kernel@lists.infradead.org; Wed, 27 Feb 2019 17:06:58 +0000 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 7B91D1684; Wed, 27 Feb 2019 09:06:54 -0800 (PST) Received: from e112269-lin.arm.com (e112269-lin.cambridge.arm.com [10.1.196.69]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EE5103F738; Wed, 27 Feb 2019 09:06:50 -0800 (PST) From: Steven Price To: linux-mm@kvack.org Subject: [PATCH v3 07/34] hexagon: mm: Add p?d_large() definitions Date: Wed, 27 Feb 2019 17:05:41 +0000 Message-Id: <20190227170608.27963-8-steven.price@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190227170608.27963-1-steven.price@arm.com> References: <20190227170608.27963-1-steven.price@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190227_090655_301247_7161DB04 X-CRM114-Status: GOOD ( 13.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , x86@kernel.org, Arnd Bergmann , Ard Biesheuvel , Peter Zijlstra , Catalin Marinas , Dave Hansen , Will Deacon , linux-kernel@vger.kernel.org, Steven Price , =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , Ingo Molnar , Borislav Petkov , Andy Lutomirski , "H. Peter Anvin" , James Morse , Thomas Gleixner , Richard Kuo , linux-hexagon@vger.kernel.org, linux-arm-kernel@lists.infradead.org, "Liang, Kan" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP walk_page_range() is going to be allowed to walk page tables other than those of user space. For this it needs to know when it has reached a 'leaf' entry in the page tables. This information is provided by the p?d_large() functions/macros. For hexagon, we don't support large pages, so add a stub returning 0. CC: Richard Kuo CC: linux-hexagon@vger.kernel.org Signed-off-by: Steven Price --- arch/hexagon/include/asm/pgtable.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/hexagon/include/asm/pgtable.h b/arch/hexagon/include/asm/pgtable.h index 65125d0b02dd..422e6aa2a6ef 100644 --- a/arch/hexagon/include/asm/pgtable.h +++ b/arch/hexagon/include/asm/pgtable.h @@ -281,6 +281,11 @@ static inline int pmd_bad(pmd_t pmd) return 0; } +static inline int pmd_large(pmd_t pmd) +{ + return 0; +} + /* * pmd_page - converts a PMD entry to a page pointer */