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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 241E6C32751 for ; Wed, 31 Jul 2019 15:47:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EBA70208E3 for ; Wed, 31 Jul 2019 15:47:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729860AbfGaPqo (ORCPT ); Wed, 31 Jul 2019 11:46:44 -0400 Received: from foss.arm.com ([217.140.110.172]:49770 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729791AbfGaPqj (ORCPT ); Wed, 31 Jul 2019 11:46:39 -0400 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 To: linux-mm@kvack.org Cc: Steven Price , Andy Lutomirski , Ard Biesheuvel , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Dave Hansen , Ingo Molnar , James Morse , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Peter Zijlstra , Thomas Gleixner , Will Deacon , x86@kernel.org, "H. Peter Anvin" , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Mark Rutland , "Liang, Kan" , Andrew Morton , "David S. Miller" , sparclinux@vger.kernel.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 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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" CC: sparclinux@vger.kernel.org Signed-off-by: Steven Price --- arch/sparc/include/asm/pgtable_64.h | 2 ++ 1 file changed, 2 insertions(+) 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)); -- 2.20.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Price Date: Wed, 31 Jul 2019 15:45:50 +0000 Subject: [PATCH v10 09/22] sparc: mm: Add p?d_leaf() definitions Message-Id: <20190731154603.41797-10-steven.price@arm.com> List-Id: References: <20190731154603.41797-1-steven.price@arm.com> In-Reply-To: <20190731154603.41797-1-steven.price@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-mm@kvack.org Cc: Mark Rutland , Peter Zijlstra , Catalin Marinas , Dave Hansen , "H. Peter Anvin" , sparclinux@vger.kernel.org, Will Deacon , "Liang, Kan" , x86@kernel.org, Steven Price , Ingo Molnar , Arnd Bergmann , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Borislav Petkov , Andy Lutomirski , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Ard Biesheuvel , linux-kernel@vger.kernel.org, James Morse , Andrew Morton , "David S. Miller" 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" CC: sparclinux@vger.kernel.org Signed-off-by: Steven Price --- arch/sparc/include/asm/pgtable_64.h | 2 ++ 1 file changed, 2 insertions(+) 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)); -- 2.20.1 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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 DDB2AC41514 for ; Wed, 31 Jul 2019 15:48:26 +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 A877E206B8 for ; Wed, 31 Jul 2019 15:48:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fmbbDG9l" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A877E206B8 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-arm-kernel-bounces+infradead-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.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 1hsqpu-0007qt-HB; Wed, 31 Jul 2019 15:48:18 +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 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Peter Zijlstra , Catalin Marinas , Dave Hansen , "H. Peter Anvin" , sparclinux@vger.kernel.org, Will Deacon , "Liang, Kan" , x86@kernel.org, Steven Price , Ingo Molnar , Arnd Bergmann , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Borislav Petkov , Andy Lutomirski , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Ard Biesheuvel , linux-kernel@vger.kernel.org, James Morse , Andrew Morton , "David S. Miller" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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" CC: sparclinux@vger.kernel.org Signed-off-by: Steven Price --- arch/sparc/include/asm/pgtable_64.h | 2 ++ 1 file changed, 2 insertions(+) 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)); -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel