From patchwork Mon Apr 17 20:50:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13214613 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 BE6DBC7EE32 for ; Mon, 17 Apr 2023 20:53:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231349AbjDQUxx (ORCPT ); Mon, 17 Apr 2023 16:53:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39984 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231179AbjDQUx2 (ORCPT ); Mon, 17 Apr 2023 16:53:28 -0400 Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E92B72BC; Mon, 17 Apr 2023 13:53:13 -0700 (PDT) Received: by mail-pl1-x631.google.com with SMTP id i8so18359280plt.10; Mon, 17 Apr 2023 13:53:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681764793; x=1684356793; 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=VrQ0lWqrs/ZeVvxhrMkEnri25zysQvP6rvUVlziuAvcyoO7aiCs2Ip8nrZdL+4djlt EalUxXukap5u9TcR0Ypqd1nj4oCE7Zy1crkVgOFcBvFvQfkcdrgLVV5yu4aZ8sXiNQzS MzbdyHaLybqiTpdHLCapkJdM135ufCzQfSX7LCwPasNWotwzcPJsMf59UKAQgZOOczBx ZYZuB1ddeu/80rtF2gv16gY+bwHM4NdL4pbXt10qFjUxYFen/hCDj/7OzFab+Hq/fc/w UWRA/d9TiIVFZRkxxpOQPugklzg3SfxU/z6fpq4Q2x5DyNF+cvnkXmPJMDWg2KdcBHj4 X1Mg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681764793; x=1684356793; 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=L9DOkafzvfMyZgy/UT2lHa+SZidly+EZH319ZEZeF0JWSWyXmww7P+9xtKuKe3B+dO UiQDhGwPJqzjxBKCUG9CyzER/jpKf44owQ+sItGVJIjZ2FOmmulU8dBtMojRB14zEAuq BfZwG1miuuETvoVADHys2DivnhpfuOboqteO+rXNjSmBjcZRAw6x4xJ9AI3kmih7cz/3 3m8zMzvUHEbyvVnkjE3alWE34kTb2HePHxnyerRLE2HwtMcxBvFdKzNFRNH32zOWUqFt iMN0+gBT1Pd57VoTUS+cr03Hp7klI1wgdLy6+wRqG2DlMNq3+HV9/QKS3QgRocQXzG5g 31YA== X-Gm-Message-State: AAQBX9c1j0y3OsL8qY28kThwt/i0iNIsi1EQxcqh2l6T6fHC6rv+PX4o SvvHVYkEHn8UNO9EWfOiLd8= X-Google-Smtp-Source: AKy350Y2w7IaE9PrAymAnxztuomQd4Ga7koe4Zw+ByQfv97VTbICRP51vtaSBBH4u41LkAvC07UcrA== X-Received: by 2002:a17:902:bd86:b0:1a6:c6d4:5586 with SMTP id q6-20020a170902bd8600b001a6c6d45586mr227041pls.13.1681764792942; Mon, 17 Apr 2023 13:53:12 -0700 (PDT) Received: from fedora.hsd1.ca.comcast.net ([2601:644:937f:7f20::c139]) by smtp.googlemail.com with ESMTPSA id h7-20020a17090ac38700b0022335f1dae2sm7609707pjt.22.2023.04.17.13.53.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Apr 2023 13:53:12 -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 20/33] arm64: Convert various functions to use ptdescs Date: Mon, 17 Apr 2023 13:50:35 -0700 Message-Id: <20230417205048.15870-21-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. 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; }