From patchwork Thu Jun 22 20:57:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13289689 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 4060CC3DA40 for ; Thu, 22 Jun 2023 21:01:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231663AbjFVVBp (ORCPT ); Thu, 22 Jun 2023 17:01:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49250 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231587AbjFVVA1 (ORCPT ); Thu, 22 Jun 2023 17:00:27 -0400 Received: from mail-yb1-xb35.google.com (mail-yb1-xb35.google.com [IPv6:2607:f8b0:4864:20::b35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC9EE295C; Thu, 22 Jun 2023 13:59:10 -0700 (PDT) Received: by mail-yb1-xb35.google.com with SMTP id 3f1490d57ef6-be49ca27e1fso7104855276.3; Thu, 22 Jun 2023 13:59:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687467517; x=1690059517; 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=1W6z1I6yvWrQZbHmgHYBEGZZDstSbvELOPET/EcKlKw=; b=WzrZfg7Ix9NVgsDMORZZHtKMCnkCtYTNqN5BxfEl0LqJAF/m52D2DjGs1CtMdjlW/Y FCQoo6ICOsgfyZao7TI8v6fZI4UENFpY3jZe81s91B3mvmmCsOIgDTDPzHKe5SMRuqNo GqmfsZL/fdh4LhL0Jo2UTpv/Zzerp4OFJp5voue8zSTsRJ0/4bzo0POGwXibz4pL7ew3 XfWPis6drhy3Tn+kW5uEHt9jkm10f1F49xoaZHUD6V/XhEZK2GBId7pwhiwEW8CobjeX ndMopKlNsVQQSaeMMfuVNTCC7fSMRAuphXmsb5MG/ItVGni8JlC+amvlrfvw1GK2MkRJ BN3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687467517; x=1690059517; 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=1W6z1I6yvWrQZbHmgHYBEGZZDstSbvELOPET/EcKlKw=; b=Q5behfvMKW5tnGa1l+DCjwjwHXdVsDS6Ck2x/HR/utm6iWpMtK/nCMEmjBrdKawwpe 2/nCT2uScd6MtOWdCRRqZs4dvtV7/MsM7hS+HWCeOEaE1XibW+Xtr+3xJfNKh/tM1GRV 5iLB7Snn/7NaRMD+yz3YFPeXseEHHeA2uMGhL7bnDm+E1XGsMUuv183iHmRDDJkAYVi8 IaFhPxypPxGuQHT3h3wAu1Fqql+Ek6z1UWm4gLtFjl3a7p1IOOxUS6LYBevZL6PiFSlq Q4KRKeeoMYF+u0oX+4wl9TVuAfdAqEHlGuUqenNYL/Ie3KN8xzr2KdO2c0b0jVIDskZS sMSQ== X-Gm-Message-State: AC+VfDw/8fdVkIZAGfKnHsu97FROsHlPIvds09srou2qOyRIiAR3Pes0 fyVvYRT2Jtw6SQAzOinJTP0= X-Google-Smtp-Source: ACHHUZ43E6q8U9GZrhFDLZLO6dXpt9JpmRg2Kg6CKMns06auYc1hxRdgyW9/NyEhButWG+5gdBeMhw== X-Received: by 2002:a25:b190:0:b0:bd4:8ea4:39bb with SMTP id h16-20020a25b190000000b00bd48ea439bbmr15159544ybj.4.1687467517233; Thu, 22 Jun 2023 13:58:37 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::36]) by smtp.googlemail.com with ESMTPSA id d18-20020a5b0c52000000b00bc501a1b062sm1684937ybr.42.2023.06.22.13.58.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jun 2023 13:58:36 -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, Hugh Dickins , "Vishal Moola (Oracle)" , Catalin Marinas , Mike Rapoport Subject: [PATCH v5 20/33] arm64: Convert various functions to use ptdescs Date: Thu, 22 Jun 2023 13:57:32 -0700 Message-Id: <20230622205745.79707-21-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230622205745.79707-1-vishal.moola@gmail.com> References: <20230622205745.79707-1-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) Acked-by: Mike Rapoport (IBM) Acked-by: Catalin Marinas --- 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..2c29239d05c3 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); + + pagetable_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); + pagetable_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 95d360805f8a..47781bec6171 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 pagetable_pte_ctor() becomes nop. */ if (shift == PAGE_SHIFT) - BUG_ON(!pgtable_pte_page_ctor(phys_to_page(pa))); + BUG_ON(!pagetable_pte_ctor(ptdesc)); else if (shift == PMD_SHIFT) - BUG_ON(!pgtable_pmd_page_ctor(phys_to_page(pa))); + BUG_ON(!pagetable_pmd_ctor(ptdesc)); return pa; }