From patchwork Sun Dec 29 17:19:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 11312279 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 A010A139A for ; Sun, 29 Dec 2019 17:35:00 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6D8C9207FF for ; Sun, 29 Dec 2019 17:35:00 +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="FiSLG2Vb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6D8C9207FF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id A5B9F8E0005; Sun, 29 Dec 2019 12:34:59 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id A0CB18E0003; Sun, 29 Dec 2019 12:34:59 -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 922ED8E0005; Sun, 29 Dec 2019 12:34:59 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0147.hostedemail.com [216.40.44.147]) by kanga.kvack.org (Postfix) with ESMTP id 79B598E0003 for ; Sun, 29 Dec 2019 12:34:59 -0500 (EST) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 3D5262493 for ; Sun, 29 Dec 2019 17:34:59 +0000 (UTC) X-FDA: 76318879518.30.north27_82cb569bd5362 X-Spam-Summary: 1,0,0,,d41d8cd98f00b204,gregkh@linuxfoundation.org,:linux-kernel@vger.kernel.org:gregkh@linuxfoundation.org:stable@vger.kernel.org:rppt@linux.ibm.com:paulburton@kernel.org:ralf@linux-mips.org:jhogan@kernel.org:linux-mips@vger.kernel.org::rppt@kernel.org:sashal@kernel.org,RULES_HIT:30003:30029:30054,0,RBL:198.145.29.99:@linuxfoundation.org:.lbl8.mailshell.net-62.18.0.100 64.10.201.10,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:none,Custom_rules:0:0:0,LFtime:23,LUA_SUMMARY:none X-HE-Tag: north27_82cb569bd5362 X-Filterd-Recvd-Size: 4633 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf12.hostedemail.com (Postfix) with ESMTP for ; Sun, 29 Dec 2019 17:34:58 +0000 (UTC) Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7A587206DB; Sun, 29 Dec 2019 17:34:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577640897; bh=fNiXTEGDcvUF3M392SCaoc00rIAL2EBcPiYfH/i1u/w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FiSLG2Vbbf6ZNGwu0u4vVr6AIw7rs8D3YeFUEvItJer6bkH+hlpu2YOgiAoHWDNEO jZ4w57tKXJzLDpK9lJX6gvwmHOwzlLdUaRWsc72JJH6ibJSaOASuATvu/YpdhZXaIp 9CCuzCooguOmqqdvVuWOoyvHkYGyRjE9OBaGXEeI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Mike Rapoport , Paul Burton , Ralf Baechle , James Hogan , linux-mips@vger.kernel.org, linux-mm@kvack.org, Mike Rapoport , Sasha Levin Subject: [PATCH 4.19 185/219] mips: fix build when "48 bits virtual memory" is enabled Date: Sun, 29 Dec 2019 18:19:47 +0100 Message-Id: <20191229162537.238599739@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20191229162508.458551679@linuxfoundation.org> References: <20191229162508.458551679@linuxfoundation.org> User-Agent: quilt/0.66 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 [ Upstream commit 3ed6751bb8fa89c3014399bb0414348499ee202a ] 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 Signed-off-by: Paul Burton Cc: Ralf Baechle Cc: James Hogan Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org Cc: Mike Rapoport Signed-off-by: Sasha Levin --- 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);