From patchwork Mon May 1 19:28:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13228048 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 74D9CC77B7C for ; Mon, 1 May 2023 19:30:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233724AbjEATa3 (ORCPT ); Mon, 1 May 2023 15:30:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57032 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233504AbjEAT3o (ORCPT ); Mon, 1 May 2023 15:29:44 -0400 Received: from mail-pl1-x629.google.com (mail-pl1-x629.google.com [IPv6:2607:f8b0:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 08DC43A8D; Mon, 1 May 2023 12:29:15 -0700 (PDT) Received: by mail-pl1-x629.google.com with SMTP id d9443c01a7336-1aaff9c93a5so6142645ad.2; Mon, 01 May 2023 12:29:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1682969344; x=1685561344; 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=oJJ/5JNaAhhn0BtCWyESRHZW29NfaaBB7RT6Dtpfjog=; b=dujVT07hfeADlXP8VLeHzHZos19FRJjW/aMFZqcOyBAO37TIyuOPUD4cjiEOtYecqR Tiwbs3Jgtkq4Kww3BZLsfUeYGH01HRped6BHBhotJFQfLn1orwI/QFojUqd07/woILZm IdwKD4oQO46zQ5FUSiD0ClypRdGvF7AHFnh12n9hs1VGHXuzfiiaf8+D2bQL3TQLnlID aypLmgidYgZS67oc/+3avE+c7doqeOxXcTi5kAqysB/3bLqLAcTPHmeArfdREDSIi+5K 85L7sVL9riiLJDbWejHR83t0dYjCRXFIJ1/0gZmctdGxqkiAMg4Ak+2alOu75j8lTMAw rYkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682969344; x=1685561344; 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=oJJ/5JNaAhhn0BtCWyESRHZW29NfaaBB7RT6Dtpfjog=; b=AQc5xh7CW1wtMapEX55VXnqyTEbk4aZEyXfZjSM9s/HN7AdPhasY4mN9TIO+dreZL7 Hz4lLdKo2InrVVUr8lL+73HRLiFzgNQ0kqx7SgcSRG2RcUIgOzmQvH1zx2OZo27Hb0ui 9D0tCA2YeXUTxcwVrPk14BislQAbo70SwzVYHNTPd6LaX2/pHVhnIOxolIS6QqzoFi8n wimcKXjrQAo/X+elNXTRrVWKL9x8tH7P0ntLrXRrI3xYUrcCwWnrbuZntSZIFKM1qCqO O+WzmU8m7b203qak7N5YZfxu6B28XiI/lKtqVWOtL8P0lR2oNaXdzxwAcIitY1Sc7KG4 nDEw== X-Gm-Message-State: AC+VfDxCTbkRWK0yWWCniEziRwxAsgSV6TSgdhNXMCBZqvLUKls8uJbn za7NJijHNTA6qGYkLxZvRSo= X-Google-Smtp-Source: ACHHUZ4ZEnjwtlgm3inm4fu27SXTrMWZSABNUt55ss8dOEDonQf7mUoqMAdyKodh48zsDDd3raB2eg== X-Received: by 2002:a17:902:f68b:b0:1a9:2e3d:fca2 with SMTP id l11-20020a170902f68b00b001a92e3dfca2mr18382952plg.33.1682969344394; Mon, 01 May 2023 12:29:04 -0700 (PDT) Received: from fedora.hsd1.ca.comcast.net ([2601:644:937f:7f20::9a2c]) by smtp.googlemail.com with ESMTPSA id u8-20020a170902bf4800b0019c13d032d8sm18175622pls.253.2023.05.01.12.29.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 May 2023 12:29:04 -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)" , Catalin Marinas Subject: [PATCH v2 21/34] arm64: Convert various functions to use ptdescs Date: Mon, 1 May 2023 12:28:16 -0700 Message-Id: <20230501192829.17086-22-vishal.moola@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230501192829.17086-1-vishal.moola@gmail.com> References: <20230501192829.17086-1-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. Signed-off-by: Vishal Moola (Oracle) --- arch/arm64/include/asm/tlb.h | 14 ++++++++------ arch/arm64/mm/mmu.c | 7 ++++--- 2 files changed, 12 insertions(+), 9 deletions(-) diff --git a/arch/arm64/include/asm/tlb.h b/arch/arm64/include/asm/tlb.h index c995d1f4594f..6cb70c247e30 100644 --- a/arch/arm64/include/asm/tlb.h +++ b/arch/arm64/include/asm/tlb.h @@ -75,18 +75,20 @@ static inline void tlb_flush(struct mmu_gather *tlb) static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte, unsigned long addr) { - pgtable_pte_page_dtor(pte); - tlb_remove_table(tlb, pte); + struct ptdesc *ptdesc = page_ptdesc(pte); + + ptdesc_pte_dtor(ptdesc); + tlb_remove_ptdesc(tlb, ptdesc); } #if CONFIG_PGTABLE_LEVELS > 2 static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, unsigned long addr) { - struct page *page = virt_to_page(pmdp); + struct ptdesc *ptdesc = virt_to_ptdesc(pmdp); - pgtable_pmd_page_dtor(page); - tlb_remove_table(tlb, page); + ptdesc_pmd_dtor(ptdesc); + tlb_remove_ptdesc(tlb, ptdesc); } #endif @@ -94,7 +96,7 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp, static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pudp, unsigned long addr) { - tlb_remove_table(tlb, virt_to_page(pudp)); + tlb_remove_ptdesc(tlb, virt_to_ptdesc(pudp)); } #endif diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index af6bc8403ee4..5ba005fd607e 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -426,6 +426,7 @@ static phys_addr_t __pgd_pgtable_alloc(int shift) static phys_addr_t pgd_pgtable_alloc(int shift) { phys_addr_t pa = __pgd_pgtable_alloc(shift); + struct ptdesc *ptdesc = page_ptdesc(phys_to_page(pa)); /* * Call proper page table ctor in case later we need to @@ -433,12 +434,12 @@ static phys_addr_t pgd_pgtable_alloc(int shift) * this pre-allocated page table. * * We don't select ARCH_ENABLE_SPLIT_PMD_PTLOCK if pmd is - * folded, and if so pgtable_pmd_page_ctor() becomes nop. + * folded, and if so ptdesc_pte_dtor() becomes nop. */ if (shift == PAGE_SHIFT) - BUG_ON(!pgtable_pte_page_ctor(phys_to_page(pa))); + BUG_ON(!ptdesc_pte_dtor(ptdesc)); else if (shift == PMD_SHIFT) - BUG_ON(!pgtable_pmd_page_ctor(phys_to_page(pa))); + BUG_ON(!ptdesc_pte_dtor(ptdesc)); return pa; }