From patchwork Thu Nov 21 16:21:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 11256517 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CADE0138C for ; Thu, 21 Nov 2019 16:21:46 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 97DB2206DA for ; Thu, 21 Nov 2019 16:21:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="pXHrARQD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 97DB2206DA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 9C0946B034E; Thu, 21 Nov 2019 11:21:44 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 923E96B034F; Thu, 21 Nov 2019 11:21:44 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7E9B76B0351; Thu, 21 Nov 2019 11:21:44 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0244.hostedemail.com [216.40.44.244]) by kanga.kvack.org (Postfix) with ESMTP id 6789B6B034E for ; Thu, 21 Nov 2019 11:21:44 -0500 (EST) Received: from smtpin19.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with SMTP id 19421180AD81C for ; Thu, 21 Nov 2019 16:21:44 +0000 (UTC) X-FDA: 76180800528.19.bean96_2c3223c85f13f X-Spam-Summary: 2,0,0,540b47ae361fcb73,d41d8cd98f00b204,rppt@kernel.org,:ralf@linux-mips.org:paulburton@kernel.org:jhogan@kernel.org:linux-mips@vger.kernel.org:linux-kernel@vger.kernel.org::rppt@kernel.org:rppt@linux.ibm.com,RULES_HIT:41:355:379:541:800:960:973:982:988:989:1260:1311:1314:1345:1359:1431:1437:1515:1534:1542:1711:1730:1747:1777:1792:1801:1981:2194:2199:2393:2559:2562:3138:3139:3140:3141:3142:3353:3865:3866:3867:3868:3870:3871:3873:4321:4605:5007:6261:6653:7576:9036:10004:11026:11473:11657:11658:11914:12043:12297:12438:12517:12519:12555:12679:12895:13894:14096:14181:14394:14721:21080:21451:21627:30003:30029:30054,0,RBL:error,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:25,LUA_SUMMARY:none X-HE-Tag: bean96_2c3223c85f13f X-Filterd-Recvd-Size: 4036 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf41.hostedemail.com (Postfix) with ESMTP for ; Thu, 21 Nov 2019 16:21:43 +0000 (UTC) Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6FBF3206CC; Thu, 21 Nov 2019 16:21:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574353302; bh=RnEFBHDdwEGFihJ8AzIy/xCeEYZct7GFoZ5Z9u+a4aI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pXHrARQDRu46esN1ekKRe4ytslAfURJlMOQ/+BshoqNvXxnAGzBc/D1wphvjRXmHR nbL3K/rjOf9ydRBjxnnfw1jb6kbzWeSNZ3sz02AgER46nW5udYYtRyLgQdXY1y121D WPxpstnDFphwMctEVNsP5nMLkLvV4j1/0v3FYZcc= From: Mike Rapoport To: Ralf Baechle , Paul Burton , James Hogan Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Mike Rapoport , Mike Rapoport Subject: [PATCH 1/3] mips: fix build when "48 bits virtual memory" is enabled Date: Thu, 21 Nov 2019 18:21:31 +0200 Message-Id: <20191121162133.15833-2-rppt@kernel.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191121162133.15833-1-rppt@kernel.org> References: <20191121162133.15833-1-rppt@kernel.org> MIME-Version: 1.0 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Mike Rapoport With CONFIG_MIPS_VA_BITS_48=y the build fails miserably: CC arch/mips/kernel/asm-offsets.s In file included from arch/mips/include/asm/pgtable.h:644, from include/linux/mm.h:99, from arch/mips/kernel/asm-offsets.c:15: include/asm-generic/pgtable.h:16:2: error: #error CONFIG_PGTABLE_LEVELS is not consistent with __PAGETABLE_{P4D,PUD,PMD}_FOLDED #error CONFIG_PGTABLE_LEVELS is not consistent with __PAGETABLE_{P4D,PUD,PMD}_FOLDED ^~~~~ include/asm-generic/pgtable.h:390:28: error: unknown type name 'p4d_t'; did you mean 'pmd_t'? static inline int p4d_same(p4d_t p4d_a, p4d_t p4d_b) ^~~~~ pmd_t [ ... more such errors ... ] scripts/Makefile.build:99: recipe for target 'arch/mips/kernel/asm-offsets.s' failed make[2]: *** [arch/mips/kernel/asm-offsets.s] Error 1 This happens because when CONFIG_MIPS_VA_BITS_48 enables 4th level of the page tables, but neither pgtable-nop4d.h nor 5level-fixup.h are included to cope with the 5th level. Replace #ifdef conditions around includes of the pgtable-nop{m,u}d.h with explicit CONFIG_PGTABLE_LEVELS and add include of 5level-fixup.h for the case when CONFIG_PGTABLE_LEVELS==4 Signed-off-by: Mike Rapoport --- arch/mips/include/asm/pgtable-64.h | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h index 93a9dce31f25..813dfe5f45a5 100644 --- a/arch/mips/include/asm/pgtable-64.h +++ b/arch/mips/include/asm/pgtable-64.h @@ -18,10 +18,12 @@ #include #define __ARCH_USE_5LEVEL_HACK -#if defined(CONFIG_PAGE_SIZE_64KB) && !defined(CONFIG_MIPS_VA_BITS_48) +#if CONFIG_PGTABLE_LEVELS == 2 #include -#elif !(defined(CONFIG_PAGE_SIZE_4KB) && defined(CONFIG_MIPS_VA_BITS_48)) +#elif CONFIG_PGTABLE_LEVELS == 3 #include +#else +#include #endif /* @@ -216,6 +218,9 @@ static inline unsigned long pgd_page_vaddr(pgd_t pgd) return pgd_val(pgd); } +#define pgd_phys(pgd) virt_to_phys((void *)pgd_val(pgd)) +#define pgd_page(pgd) (pfn_to_page(pgd_phys(pgd) >> PAGE_SHIFT)) + static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address) { return (pud_t *)pgd_page_vaddr(*pgd) + pud_index(address);