From patchwork Mon Apr 17 20:50:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13214718 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F45AC77B7C for ; Mon, 17 Apr 2023 20:55:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231273AbjDQUzm (ORCPT ); Mon, 17 Apr 2023 16:55:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40522 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231158AbjDQUxk (ORCPT ); Mon, 17 Apr 2023 16:53:40 -0400 Received: from mail-pj1-x1032.google.com (mail-pj1-x1032.google.com [IPv6:2607:f8b0:4864:20::1032]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E55FA7EC4; Mon, 17 Apr 2023 13:53:24 -0700 (PDT) Received: by mail-pj1-x1032.google.com with SMTP id hg14-20020a17090b300e00b002471efa7a8fso14357888pjb.0; Mon, 17 Apr 2023 13:53:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681764804; x=1684356804; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=uzUB7crKqn7Of69Iz0IiuKaVcaC8bpzNVtqjj02cJJs=; b=CQxyKkc21JMWEGZgaxo+DzkT7hmUe/EPeRLNy9307TK3NRBVO8qYFVHUBh0a+wrrFK REDRofZ4pQ77HB/xKTTnWP/BT1cyKC/pHZN9NhEm5iKL1tflp83IUSNn/z3JIjWng98Y 6RfpzxV5XfPWxGKOX4DdYV/wLmmlXNt332CwEYLgb9fOwCusASfTkzDGq48OmDuUGGpq tIsA4gMM5D4jkK0NC3tYS5RarJ0ZWQtkI1tM39+DRuLci+gK44bt1F+fDRaPwS3T5T9g S4uLRylS37AnplaeXGFnk7T6Qzad8RMawrqwBO6UKOhHtptnemCZZZWNN4xJh7uqqhEQ vrGQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681764804; x=1684356804; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=uzUB7crKqn7Of69Iz0IiuKaVcaC8bpzNVtqjj02cJJs=; b=M1V/fCH5SiOPWKYPpudc+o/nfzFL5CK1gTsrxvUlK4rZbc+Ara9OfF9WGh1fZuSifS nayUp46R7uJMMoQNlKUWj5PS8jl5P2aPkESi2rBtzbXzYJJ5t2qpoC0VI05pYoglYeTz kOvgOFBPgjf0OpUNkKf998wF2p7RGSDaGK9qKSWxCaRE+SipBYHraMoGYLkY4pesOG63 3BY0t81LKQwnkRFaZMAoQVK4nwvlyIGG+ILsSAxEoDsIqquTMS2LRqo11TBTlJOtt52k f5o21zJvSsFnd/S3Ykjs6KaAHM0X3EInGebSt4uEuJIyVDVevxz3vqcnm7h2stXkfITw ItyA== X-Gm-Message-State: AAQBX9fRYPJWttBz3lAQCqH+SJG+zbIIYoe7gNEbbyZ+o5xTjglx+/Gp LSQWV3ehyhiDebZr48YQ7Ps= X-Google-Smtp-Source: AKy350avL9PdXaEjhmJuV1ybk5n54BLKq2822oDesoZKEo2GpNTKDMiGoy71eNPEPZjYfA/nM1qr3w== X-Received: by 2002:a17:90a:1286:b0:246:bb61:4a5b with SMTP id g6-20020a17090a128600b00246bb614a5bmr16053424pja.8.1681764804243; Mon, 17 Apr 2023 13:53:24 -0700 (PDT) Received: from fedora.hsd1.ca.comcast.net ([2601:644:937f:7f20::c139]) by smtp.googlemail.com with ESMTPSA id h7-20020a17090ac38700b0022335f1dae2sm7609707pjt.22.2023.04.17.13.53.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Apr 2023 13:53:23 -0700 (PDT) From: "Vishal Moola (Oracle)" To: Andrew Morton , Matthew Wilcox Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, xen-devel@lists.xenproject.org, kvm@vger.kernel.org, "Vishal Moola (Oracle)" Subject: [PATCH 28/33] riscv: Convert alloc_{pmd, pte}_late() to use ptdescs Date: Mon, 17 Apr 2023 13:50:43 -0700 Message-Id: <20230417205048.15870-29-vishal.moola@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230417205048.15870-1-vishal.moola@gmail.com> References: <20230417205048.15870-1-vishal.moola@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org As part of the conversions to replace pgtable constructor/destructors with ptdesc equivalents, convert various page table functions to use ptdescs. Some of the functions use the *get*page*() helper functions. Convert these to use ptdesc_alloc() and ptdesc_address() instead to help standardize page tables further. Signed-off-by: Vishal Moola (Oracle) --- arch/riscv/include/asm/pgalloc.h | 8 ++++---- arch/riscv/mm/init.c | 16 ++++++---------- 2 files changed, 10 insertions(+), 14 deletions(-) diff --git a/arch/riscv/include/asm/pgalloc.h b/arch/riscv/include/asm/pgalloc.h index 59dc12b5b7e8..cb5536403bd8 100644 --- a/arch/riscv/include/asm/pgalloc.h +++ b/arch/riscv/include/asm/pgalloc.h @@ -153,10 +153,10 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm) #endif /* __PAGETABLE_PMD_FOLDED */ -#define __pte_free_tlb(tlb, pte, buf) \ -do { \ - pgtable_pte_page_dtor(pte); \ - tlb_remove_page((tlb), pte); \ +#define __pte_free_tlb(tlb, pte, buf) \ +do { \ + ptdesc_pte_dtor(page_ptdesc(pte)); \ + tlb_remove_page_ptdesc((tlb), page_ptdesc(pte));\ } while (0) #endif /* CONFIG_MMU */ diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 0f14f4a8d179..2737cbc4ad12 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -346,12 +346,10 @@ static inline phys_addr_t __init alloc_pte_fixmap(uintptr_t va) static phys_addr_t __init alloc_pte_late(uintptr_t va) { - unsigned long vaddr; - - vaddr = __get_free_page(GFP_KERNEL); - BUG_ON(!vaddr || !pgtable_pte_page_ctor(virt_to_page(vaddr))); + struct ptdesc *ptdesc = ptdesc_alloc(GFP_KERNEL, 0); - return __pa(vaddr); + BUG_ON(!ptdesc || !ptdesc_pte_ctor(ptdesc)); + return __pa((pte_t *)ptdesc_address(ptdesc)); } static void __init create_pte_mapping(pte_t *ptep, @@ -429,12 +427,10 @@ static phys_addr_t __init alloc_pmd_fixmap(uintptr_t va) static phys_addr_t __init alloc_pmd_late(uintptr_t va) { - unsigned long vaddr; - - vaddr = __get_free_page(GFP_KERNEL); - BUG_ON(!vaddr || !pgtable_pmd_page_ctor(virt_to_page(vaddr))); + struct ptdesc *ptdesc = ptdesc_alloc(GFP_KERNEL, 0); - return __pa(vaddr); + BUG_ON(!ptdesc || !ptdesc_pmd_ctor(ptdesc)); + return __pa((pmd_t *)ptdesc_address(ptdesc)); } static void __init create_pmd_mapping(pmd_t *pmdp,