From patchwork Tue Jun 27 03:14:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vishal Moola X-Patchwork-Id: 13293876 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 9C8DFEB64DC for ; Tue, 27 Jun 2023 03:18:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231226AbjF0DSq (ORCPT ); Mon, 26 Jun 2023 23:18:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230250AbjF0DR1 (ORCPT ); Mon, 26 Jun 2023 23:17:27 -0400 Received: from mail-yw1-x112f.google.com (mail-yw1-x112f.google.com [IPv6:2607:f8b0:4864:20::112f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2EE722956; Mon, 26 Jun 2023 20:15:51 -0700 (PDT) Received: by mail-yw1-x112f.google.com with SMTP id 00721157ae682-57045429f76so40111527b3.0; Mon, 26 Jun 2023 20:15:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687835750; x=1690427750; 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=VXFgZtILJXGVZEJYMvHJGtbDmmBoKn8mX0/dAC+EY4RvTpIsJK+gJ5UUjyLzd+tcaA Wa8E/Q/hReN0LGOCZNJ2CPK66hXv4CHL1RcwD7G2hwKgrVV+r9MdE8P4UKG8hPoTp4Um SIrbyRIEF8122yBtjbfkSdTM8KV9j17ll3YIHe1LlzxS/E/9XISE37/ArykIbO2T/+U0 rkTOBMVwTfe5aMKf0k+p5UGbW9JxArSdzVKMpa8hS9FCRAuPQzNFBaUszCNNpnt8LHI6 yAZrECaEr3SZfaO8vcK6fiSyK9T57SgwrpEkJPc2S/OPeKfITI7S9cxAkwbxJnf5XUxM do4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687835750; x=1690427750; 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=F5lheibJQnoHNbBtWNKK3hnOscdsa6rFQqr/a5PY+OcvI11YMjEh8EEVXkAy5ZpiIP xGPMe5LnkA65RO+YHwn/VQwU3S9elYfR3nv08QoZLch7oipQ11xpNQ+lBuGlmbFc2sqW Xh9Acj+EpOt1As6BFDJ/nzwGMFKi1YDlCbmMSRVWkrDtDcJExv5/N1VPR/69J+C4ailG x9n4VuMbeLD1DFiQs3zwA/4+wG3yzsZT+Q/9yJ/8UkRUgGcszBf1MefSjrOcmDQ+wIkG zdZWBIVhgfmSyIPB/WoGKQuWan3RjUdDLV7n9viJqD22zquFtOJKOQntVFDi4+BxsEuc tDQw== X-Gm-Message-State: AC+VfDxZ56Qmdnha3snOll6muu2kvnQQGAlpNto3ZYzvhuezm71LKFtq YmJQWA97SWOiEIYECECEudU= X-Google-Smtp-Source: ACHHUZ5fFv9vf2BaGzqImDQ1UeHA1UgOFch4VJlKuLrykfvZA/f5SK3BTYMlrNUhfUsCVi2Zl8lSjg== X-Received: by 2002:a81:498a:0:b0:570:215b:190 with SMTP id w132-20020a81498a000000b00570215b0190mr27857555ywa.31.1687835750176; Mon, 26 Jun 2023 20:15:50 -0700 (PDT) Received: from unknowna0e70b2ca394.attlocal.net ([2600:1700:2f7d:1800::16]) by smtp.googlemail.com with ESMTPSA id s4-20020a0dd004000000b0057399b3bd26sm1614798ywd.33.2023.06.26.20.15.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jun 2023 20:15:49 -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 v6 20/33] arm64: Convert various functions to use ptdescs Date: Mon, 26 Jun 2023 20:14:18 -0700 Message-Id: <20230627031431.29653-21-vishal.moola@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230627031431.29653-1-vishal.moola@gmail.com> References: <20230627031431.29653-1-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; }