Message ID | 20190306155031.4291-7-steven.price@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <owner-linux-mm@kvack.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 38D421515 for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 6 Mar 2019 15:51:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 233F52E6E3 for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 6 Mar 2019 15:51:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 214B32E732; Wed, 6 Mar 2019 15:51:18 +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=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A6AFE2E73A for <patchwork-linux-mm@patchwork.kernel.org>; Wed, 6 Mar 2019 15:51:17 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B75C38E0009; Wed, 6 Mar 2019 10:51:12 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id B4DBF8E0002; Wed, 6 Mar 2019 10:51:12 -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 A1B4B8E000B; Wed, 6 Mar 2019 10:51:12 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from mail-ed1-f72.google.com (mail-ed1-f72.google.com [209.85.208.72]) by kanga.kvack.org (Postfix) with ESMTP id 39F698E0002 for <linux-mm@kvack.org>; Wed, 6 Mar 2019 10:51:12 -0500 (EST) Received: by mail-ed1-f72.google.com with SMTP id f2so6456789edm.18 for <linux-mm@kvack.org>; Wed, 06 Mar 2019 07:51:12 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-original-authentication-results:x-gm-message-state:from:to:cc :subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=FbmI8H/LDLwwCfkSNCFyqL30B69VDCB+cT3TXJ207I8=; b=GXbTa+mmmNXYgx5uWqFJp1I7/QxjSXeF5ray8lLSHSoZWWKKUsMpUBI6UyxpPuOGTF DVGLx2ka13H1RB9yr+i5PpDjVOKedQfQdwsD4xLOnppmcebPzzixFwTasjRRkz4/MwLC linpcvwyxqiVdPSDYrUzb9Kde/jEJ2B7E5zQwNklnTUeNVp2Vi9TA+6MSavsHvvUPuU3 QpCaXzxpvMnyi/vzio3n7D2nTGyNIt8BGTH1f07l62EhP7BUUenjTl8dHWBerNRnzIv7 BFAAcHL23kOzKMeL6wO0ehasm0r59VpaD3ICRzuEO2qKqXTQRn4rNsMtgUWghRbw8V1W RRlg== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of steven.price@arm.com designates 217.140.101.70 as permitted sender) smtp.mailfrom=steven.price@arm.com X-Gm-Message-State: APjAAAUewThDso6FNnSrRbm8qoEkifjjxCK+IcN9+MkV7zU1vk9kB5LI dE+FAPPsW1UgCfnzZUEiZGeLEIKHKwOIVhOBWE0fmov3ux2ZOxph+XIwBJ9bAFLvrxhY1Mh/tFl bx1tpFI/FIMfSKvNOuFUhmP6mPX+pBQ1ijhn09FVl8uvdhWKJP5tmekji5/a7qLkFQA== X-Received: by 2002:aa7:db14:: with SMTP id t20mr23906858eds.231.1551887471484; Wed, 06 Mar 2019 07:51:11 -0800 (PST) X-Google-Smtp-Source: APXvYqyiLtwa3olOJ27DEGKDs6T7LVT6+cB+sjWA7jwyhywQw1Pdpd1V11kTxju87e++LNTBbZ5w X-Received: by 2002:aa7:db14:: with SMTP id t20mr23906777eds.231.1551887470269; Wed, 06 Mar 2019 07:51:10 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1551887470; cv=none; d=google.com; s=arc-20160816; b=kxH83nkLKX4XrwqQSijdpyJ33ILWLdzm5RxLgCG6ih9D20NlFpHXpbkOOr5BnHsZxB 5nwQZTxDAarsrnEFDWFwWR0dAFL0RTTikkKO+NMdHk/yd6XO8bTM/kYCYJaYWqEX2/ho ozHyXgq57vq4yVDCJkAjxFeTxWJCq/Ecr0jZuSTiAT7A8zwyt2sYz3QDnb5nqgGbZKME ojWfw6iEBmN32+RdW+Dm+72nWmzEI2ZKCd5wD9jfdENglEEHuceuulfIqVDj8Bb1/5qV 2vvHCM4Q/WZvdcrtzhQZz1X33ztNPLCk82tmkm5JUF7m+Np29jwoUnnl7aeNc9DURUKE DiSg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from; bh=FbmI8H/LDLwwCfkSNCFyqL30B69VDCB+cT3TXJ207I8=; b=E7OG9sAPcnCOOPAubxLzZh7m6jAKPTtIzqAZu6/04CRrMrLJOVkZxJnWUXFIeHkR4w PXWWmjOisRz2dIZaRw9soim4enedheSLcsfA2XVwxeRe07PXCg3d/q6xBnzqTUmf9IeS i7LLx5BtY4fF/ppZy0O/L84K84RINPq1oKea+SXRojaEG/PuxBJDpgczgIACBFhaCG3J TqdKeyf0/VJsCuqm/4X3cYl76m0Hc2aAxVpqKIeEgKRXnAlk32+boSSRIunKrNAhMGIL C1x5qoB0BF/q28QgwVsbXErqX1CKPSXi8BRqtraPWltpmUK5dy4YX0tG+4G53xKgq4Rv mvww== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of steven.price@arm.com designates 217.140.101.70 as permitted sender) smtp.mailfrom=steven.price@arm.com Received: from foss.arm.com (foss.arm.com. [217.140.101.70]) by mx.google.com with ESMTP id 22si767445edu.228.2019.03.06.07.51.09 for <linux-mm@kvack.org>; Wed, 06 Mar 2019 07:51:10 -0800 (PST) Received-SPF: pass (google.com: domain of steven.price@arm.com designates 217.140.101.70 as permitted sender) client-ip=217.140.101.70; Authentication-Results: mx.google.com; spf=pass (google.com: domain of steven.price@arm.com designates 217.140.101.70 as permitted sender) smtp.mailfrom=steven.price@arm.com 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 4631D80D; Wed, 6 Mar 2019 07:51:09 -0800 (PST) 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 94F673F703; Wed, 6 Mar 2019 07:51:05 -0800 (PST) From: Steven Price <steven.price@arm.com> To: linux-mm@kvack.org Cc: Steven Price <steven.price@arm.com>, Andy Lutomirski <luto@kernel.org>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, Arnd Bergmann <arnd@arndb.de>, Borislav Petkov <bp@alien8.de>, Catalin Marinas <catalin.marinas@arm.com>, Dave Hansen <dave.hansen@linux.intel.com>, Ingo Molnar <mingo@redhat.com>, James Morse <james.morse@arm.com>, =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= <jglisse@redhat.com>, Peter Zijlstra <peterz@infradead.org>, Thomas Gleixner <tglx@linutronix.de>, Will Deacon <will.deacon@arm.com>, x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Mark Rutland <Mark.Rutland@arm.com>, "Liang, Kan" <kan.liang@linux.intel.com>, Martin Schwidefsky <schwidefsky@de.ibm.com>, Heiko Carstens <heiko.carstens@de.ibm.com>, linux-s390@vger.kernel.org Subject: [PATCH v4 06/19] s390: mm: Add p?d_large() definitions Date: Wed, 6 Mar 2019 15:50:18 +0000 Message-Id: <20190306155031.4291-7-steven.price@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190306155031.4291-1-steven.price@arm.com> References: <20190306155031.4291-1-steven.price@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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: <linux-mm.kvack.org> X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
Convert x86 & arm64 to use generic page walk
|
expand
|
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 063732414dfb..1f188004ba95 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -679,6 +679,7 @@ static inline int pud_none(pud_t pud) return pud_val(pud) == _REGION3_ENTRY_EMPTY; } +#define pud_large pud_large static inline int pud_large(pud_t pud) { if ((pud_val(pud) & _REGION_ENTRY_TYPE_MASK) != _REGION_ENTRY_TYPE_R3) @@ -696,6 +697,7 @@ static inline unsigned long pud_pfn(pud_t pud) return (pud_val(pud) & origin_mask) >> PAGE_SHIFT; } +#define pmd_large pmd_large static inline int pmd_large(pmd_t pmd) { return (pmd_val(pmd) & _SEGMENT_ENTRY_LARGE) != 0;
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 s390, pud_large() and pmd_large() are already implemented as static inline functions. Add a #define so we don't pick up the generic version introduced in a later patch. CC: Martin Schwidefsky <schwidefsky@de.ibm.com> CC: Heiko Carstens <heiko.carstens@de.ibm.com> CC: linux-s390@vger.kernel.org Signed-off-by: Steven Price <steven.price@arm.com> --- arch/s390/include/asm/pgtable.h | 2 ++ 1 file changed, 2 insertions(+)