From patchwork Fri Oct 5 16:16:37 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Logan Gunthorpe X-Patchwork-Id: 10628431 Return-Path: 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 3E1EC1731 for ; Fri, 5 Oct 2018 16:18:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 24069299AE for ; Fri, 5 Oct 2018 16:18:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 182F6299E1; Fri, 5 Oct 2018 16:18:39 +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,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id BAE2E299AE for ; Fri, 5 Oct 2018 16:18:38 +0000 (UTC) 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:Subject:MIME-Version:Message-Id:Date:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=JXhVtT3n8c+dSjZPTtYYFS7lvN1kBJaiSJW3fpWfNKY=; b=NLDEuPuJCh9hOa h9sJ08QcrTV3ghwadoBMIJJcQ4b0GKMzvsPUWyNLRC4X9YrTmypI3+Yyf4ogt+cOG5qXu7cHu6vSo 37iC7zZX3z9JHBCql6tC3rskV2yn7bAPlbhYn4H045/dJlCQJrrgrVlteqDpfBZDpC2ki0/ufy8s6 eUNRZqt8PxvLFLcq98CaVlR9F+8Z59fxqy+vfLoJjO4qkDm1eU0L1t8u+tpRKdBRj3I41D4BM3F6x pmVwIolBFPJ00EHIKbB/rEwDEW3wAXNMGmwi2jpi+jCwu4Y999L9b5g4KfUR4ecz6xJZ0NJK553Wx /9wAPMKiw3Num55eeZhA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1g8SoC-0006Gm-NV; Fri, 05 Oct 2018 16:18:32 +0000 Received: from ale.deltatee.com ([207.54.116.67]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1g8Sme-0005ee-MD; Fri, 05 Oct 2018 16:17:22 +0000 Received: from cgy1-donard.priv.deltatee.com ([172.16.1.31]) by ale.deltatee.com with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1g8SmS-0008D1-Iy; Fri, 05 Oct 2018 10:16:45 -0600 Received: from gunthorp by cgy1-donard.priv.deltatee.com with local (Exim 4.89) (envelope-from ) id 1g8SmR-0000eV-S9; Fri, 05 Oct 2018 10:16:43 -0600 From: Logan Gunthorpe To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-sh@vger.kernel.org Date: Fri, 5 Oct 2018 10:16:37 -0600 Message-Id: <20181005161642.2462-1-logang@deltatee.com> X-Mailer: git-send-email 2.19.0 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 172.16.1.31 X-SA-Exim-Rcpt-To: linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sh@vger.kernel.org, sbates@raithlin.com, palmer@sifive.com, aou@eecs.berkeley.edu, hch@lst.de, logang@deltatee.com X-SA-Exim-Mail-From: gunthorp@deltatee.com Subject: [PATCH 0/5] sparsemem support for RISC-V X-SA-Exim-Version: 4.2.1 (built Tue, 02 Aug 2016 21:08:31 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181005_091656_785024_8F55F394 X-CRM114-Status: UNSURE ( 8.98 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Palmer Dabbelt , Logan Gunthorpe , Christoph Hellwig , Albert Ou , Stephen Bates Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Hi Everyone, This patchset is intended to implement sparsemem on RISC-V. The first few patches are introducing a common helper used by the sparesmem implementation in other architectures and the final patch is the actual RISC-V implementation. This is the first small step in supporting P2P on RISC-V. Thanks, Logan --- Logan Gunthorpe (5): mm/sparse: add common helper to mark all memblocks present ARM: mm: make use of new memblocks_present() helper arm64: mm: make use of new memblocks_present() helper sh: mm: make use of new memblocks_present() helper RISC-V: Implement sparsemem arch/arm/mm/init.c | 17 +---------------- arch/arm64/mm/init.c | 20 +------------------- arch/riscv/Kconfig | 23 +++++++++++++++++++++++ arch/riscv/include/asm/pgtable.h | 24 ++++++++++++++++++++---- arch/riscv/include/asm/sparsemem.h | 11 +++++++++++ arch/riscv/kernel/setup.c | 4 +++- arch/riscv/mm/init.c | 8 ++++++++ arch/sh/mm/init.c | 7 +------ include/linux/mmzone.h | 6 ++++++ mm/sparse.c | 15 +++++++++++++++ 10 files changed, 89 insertions(+), 46 deletions(-) create mode 100644 arch/riscv/include/asm/sparsemem.h -- 2.19.0