Message ID | 20190731154603.41797-10-steven.price@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org> 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 2B7DF912 for <patchwork-linux-arm@patchwork.kernel.org>; Wed, 31 Jul 2019 15:48:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 13CB020415 for <patchwork-linux-arm@patchwork.kernel.org>; Wed, 31 Jul 2019 15:48:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 07952212BE; Wed, 31 Jul 2019 15:48:23 +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 A05BE20415 for <patchwork-linux-arm@patchwork.kernel.org>; Wed, 31 Jul 2019 15:48:22 +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=uxEqn8m/tZ0RM4CGiqJ9/VDGaW/LYVexUuZ+PuNpDHs=; b=fmbbDG9lGUsxf/ aUUaGkkt5ZHQ3JQnwM7zUeGij6CqpVht7edoNMy3fF6pBykMr+7j2z4f7BZclepX/uPFg/qZOcuMk NK8vBSDuYXINMmR9PlayaAfDjkM3q1OdszHNdguT5iWcrKsP6rj9XU2SzyN7jwFWw/s8bHfhr5Dha 4Xm6HcbpfP5mesuLMblXjpPhTtVtWWSOL26nbaUs5WGDaU69AneQletVs4o1ACI01KNXuahlnl7pL 4rMOInG5w5UY3v37hVirA4AEGHSNrXUKs+zrb2zmykIRYHE2M0SNwkseiz/b0MkM5i8uNr5eybWDd g9fjszcwnCf402iMxEEQ==; 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 1hsqpx-0007qt-Di; Wed, 31 Jul 2019 15:48:21 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hsqoJ-0005kN-Jm for linux-arm-kernel@lists.infradead.org; Wed, 31 Jul 2019 15:46:41 +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 267971576; Wed, 31 Jul 2019 08:46:39 -0700 (PDT) Received: from e112269-lin.arm.com (e112269-lin.cambridge.arm.com [10.1.196.133]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 59AAA3F694; Wed, 31 Jul 2019 08:46:36 -0700 (PDT) From: Steven Price <steven.price@arm.com> To: linux-mm@kvack.org Subject: [PATCH v10 09/22] sparc: mm: Add p?d_leaf() definitions Date: Wed, 31 Jul 2019 16:45:50 +0100 Message-Id: <20190731154603.41797-10-steven.price@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190731154603.41797-1-steven.price@arm.com> References: <20190731154603.41797-1-steven.price@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190731_084639_706377_4753E234 X-CRM114-Status: GOOD ( 11.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: Mark Rutland <Mark.Rutland@arm.com>, Peter Zijlstra <peterz@infradead.org>, Catalin Marinas <catalin.marinas@arm.com>, Dave Hansen <dave.hansen@linux.intel.com>, "H. Peter Anvin" <hpa@zytor.com>, sparclinux@vger.kernel.org, Will Deacon <will@kernel.org>, "Liang, Kan" <kan.liang@linux.intel.com>, x86@kernel.org, Steven Price <steven.price@arm.com>, Ingo Molnar <mingo@redhat.com>, Arnd Bergmann <arnd@arndb.de>, =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= <jglisse@redhat.com>, Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, linux-arm-kernel@lists.infradead.org, Ard Biesheuvel <ard.biesheuvel@linaro.org>, linux-kernel@vger.kernel.org, James Morse <james.morse@arm.com>, Andrew Morton <akpm@linux-foundation.org>, "David S. Miller" <davem@davemloft.net> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
Generic page walk and ptdump
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expand
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diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 1599de730532..a78b968ae3fa 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -683,6 +683,7 @@ static inline unsigned long pte_special(pte_t pte) return pte_val(pte) & _PAGE_SPECIAL; } +#define pmd_leaf pmd_large static inline unsigned long pmd_large(pmd_t pmd) { pte_t pte = __pte(pmd_val(pmd)); @@ -867,6 +868,7 @@ static inline unsigned long pud_page_vaddr(pud_t pud) /* only used by the stubbed out hugetlb gup code, should never be called */ #define pgd_page(pgd) NULL +#define pud_leaf pud_large static inline unsigned long pud_large(pud_t pud) { pte_t pte = __pte(pud_val(pud));
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_leaf() functions/macros. For sparc 64 bit, pmd_large() and pud_large() are already provided, so add macros to provide the p?d_leaf names required by the generic code. CC: "David S. Miller" <davem@davemloft.net> CC: sparclinux@vger.kernel.org Signed-off-by: Steven Price <steven.price@arm.com> --- arch/sparc/include/asm/pgtable_64.h | 2 ++ 1 file changed, 2 insertions(+)