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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 ACCACC43381 for ; Thu, 28 Mar 2019 15:22:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 87079206BA for ; Thu, 28 Mar 2019 15:22:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727512AbfC1PW2 (ORCPT ); Thu, 28 Mar 2019 11:22:28 -0400 Received: from foss.arm.com ([217.140.101.70]:46426 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725849AbfC1PW0 (ORCPT ); Thu, 28 Mar 2019 11:22:26 -0400 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 7B29A15AB; Thu, 28 Mar 2019 08:22:25 -0700 (PDT) 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 E0AA03F557; Thu, 28 Mar 2019 08:22:21 -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" , "David S. Miller" , sparclinux@vger.kernel.org Subject: [PATCH v7 08/20] sparc: mm: Add p?d_large() definitions Date: Thu, 28 Mar 2019 15:20:52 +0000 Message-Id: <20190328152104.23106-9-steven.price@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190328152104.23106-1-steven.price@arm.com> References: <20190328152104.23106-1-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_large() functions/macros. For sparc 64 bit, pmd_large() and pud_large() are already provided, so add #defines to prevent the generic versions (added in a later patch) from being used. CC: "David S. Miller" CC: sparclinux@vger.kernel.org Signed-off-by: Steven Price Acked-by: David S. Miller --- 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 1393a8ac596b..f502e937c8fe 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -713,6 +713,7 @@ static inline unsigned long pte_special(pte_t pte) return pte_val(pte) & _PAGE_SPECIAL; } +#define pmd_large pmd_large static inline unsigned long pmd_large(pmd_t pmd) { pte_t pte = __pte(pmd_val(pmd)); @@ -894,6 +895,7 @@ static inline unsigned long pud_page_vaddr(pud_t pud) #define pgd_present(pgd) (pgd_val(pgd) != 0U) #define pgd_clear(pgdp) (pgd_val(*(pgdp)) = 0UL) +#define pud_large pud_large static inline unsigned long pud_large(pud_t pud) { pte_t pte = __pte(pud_val(pud)); -- 2.20.1