From patchwork Thu Sep 15 06:50:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Shixin X-Patchwork-Id: 12976825 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 06709ECAAA1 for ; Thu, 15 Sep 2022 06:16:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :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=Rj0rsqHhkczakaQWWQyIf6TgFiRZ/Q5rKFo+kNtoLF4=; b=3ycvWEvzq/UeWK y7dtauUFWOkhd/sjgmTht4aotLr7VMsM8/oT3qubSj772MDKM5K/v1R6XbIGSHC/7LBjwRHBv6WjT XF64agqbUn7GSXGnqobfXoj4jYFcJGed9BmKDsE8lZO3EMzzpLCnibK3A93C+s+/nzKQS5AV3v1Ik GiUMoD2AaegS8wsboib0X5FHcsGb2sMQAJhcyG53lEBQ4q1W5fR9yTFK5eJvuvY7f0N1D5uUL4atz EsByE1eKeXYgffwnO+SHNcYh5ZHfpLEcZS8b49ZLeEyRsQLYWEiwSyhmKCxa487G4a6KoOO9e0nww xl1dqi2i+NBQjden53qg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oYiAx-001y6w-6E; Thu, 15 Sep 2022 06:16:39 +0000 Received: from szxga01-in.huawei.com ([45.249.212.187]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oYiAt-001y3N-EJ for linux-riscv@lists.infradead.org; Thu, 15 Sep 2022 06:16:37 +0000 Received: from dggpemm500023.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4MSn1B5JzMzlVjH; Thu, 15 Sep 2022 14:12:30 +0800 (CST) Received: from dggpemm100009.china.huawei.com (7.185.36.113) by dggpemm500023.china.huawei.com (7.185.36.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 15 Sep 2022 14:16:29 +0800 Received: from huawei.com (10.175.113.32) by dggpemm100009.china.huawei.com (7.185.36.113) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 15 Sep 2022 14:16:29 +0800 From: Liu Shixin To: Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Albert Ou CC: , , Liu Shixin , Kefeng Wang Subject: [PATCH 0/2] riscv: Support HAVE_ARCH_HUGE_VMAP and HAVE_ARCH_HUGE_VMALLOC Date: Thu, 15 Sep 2022 14:50:25 +0800 Message-ID: <20220915065027.3501044-1-liushixin2@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.32] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm100009.china.huawei.com (7.185.36.113) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220914_231635_689758_A938DE4A X-CRM114-Status: UNSURE ( 6.78 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Since riscv64 has already support SATP_MODE_57 by default, it is time to support more hugepage-related features. These two patches will enable HAVE_ARCH_HUGE_VMAP and HAVE_ARCH_HUGE_VMALLOC. Liu Shixin (2): riscv: Enable HAVE_ARCH_HUGE_VMAP for 64BIT riscv: Enable HAVE_ARCH_HUGE_VMALLOC for 64BIT .../features/vm/huge-vmap/arch-support.txt | 2 +- arch/riscv/Kconfig | 2 + arch/riscv/include/asm/vmalloc.h | 18 ++++ arch/riscv/mm/Makefile | 1 + arch/riscv/mm/pgtable.c | 83 +++++++++++++++++++ 5 files changed, 105 insertions(+), 1 deletion(-) create mode 100644 arch/riscv/mm/pgtable.c