From patchwork Wed Oct 12 12:00:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liu Shixin X-Patchwork-Id: 13004963 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 50138C433FE for ; Wed, 12 Oct 2022 11:11:55 +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=bOOV9xCzFJNyEMoFjG9rirgTfXMs9Z+zJzvpk9IK4sE=; b=hl8D41Ra7vD0dC siQApPcC886xX/flt9mFCjl7XzRX7Mw5vxstaAzqT9aEdtBOUUBJUS83y0hht0SRj0Z7YbYKcPrPk 6s3Ks/Hd44nsdPRFMUDYcuBjroiRJLiFBXARmouYzMs8FzdpM5WAMHOBKJUfNvlwAFgRYb6/Y6ATH sTFgcwZrXx3u1A2QGS1AYWVSfobiNxT9iL+0/NQXW6HSKybedLMsXl1iHeV5H1qsc0y/SjugN29Df HDeuQTw3wM121yMRtXOidMM7UbBG0cFbNwPXyPcKZaAdwzNFo1qYmiUi4Wm/s9VpSy8qwhKy6ngzD eTC6Ay+u2gByK+CcA56Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiZeK-007nbY-RH; Wed, 12 Oct 2022 11:11:44 +0000 Received: from szxga08-in.huawei.com ([45.249.212.255]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oiZeG-007nY9-Vl for linux-riscv@lists.infradead.org; Wed, 12 Oct 2022 11:11:42 +0000 Received: from dggpemm500024.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4MnVGX5tLzz1P73s; Wed, 12 Oct 2022 19:07:00 +0800 (CST) Received: from dggpemm100009.china.huawei.com (7.185.36.113) by dggpemm500024.china.huawei.com (7.185.36.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Wed, 12 Oct 2022 19:11:35 +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 15.1.2375.31; Wed, 12 Oct 2022 19:11:34 +0800 From: Liu Shixin To: Conor Dooley , Kefeng Wang , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Albert Ou CC: , , , Liu Shixin Subject: [PATCH v3 0/2] riscv: Support HAVE_ARCH_HUGE_VMAP and HAVE_ARCH_HUGE_VMALLOC Date: Wed, 12 Oct 2022 20:00:36 +0800 Message-ID: <20221012120038.1034354-1-liushixin2@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.32] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) 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-20221012_041141_198291_99B8D10B X-CRM114-Status: UNSURE ( 6.11 ) 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 riscv64 can support sv48 now, so we can add more hugepage-related features which rely on 3th or 4th level of page table. These two patches will enable HAVE_ARCH_HUGE_VMAP and HAVE_ARCH_HUGE_VMALLOC. v2->v3: Fix the commit log. v1->v2: Fix the build error reported by kernel-test. 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