From mboxrd@z Thu Jan 1 00:00:00 1970 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 F0530C7EE23 for ; Thu, 8 Jun 2023 23:28:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237067AbjFHX2e (ORCPT ); Thu, 8 Jun 2023 19:28:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46488 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237142AbjFHX2U (ORCPT ); Thu, 8 Jun 2023 19:28:20 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BA21130E0 for ; Thu, 8 Jun 2023 16:28:12 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 5060F651CE for ; Thu, 8 Jun 2023 23:28:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9EAF6C433EF; Thu, 8 Jun 2023 23:28:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1686266891; bh=mAnkssETO63POJGkn28Iog8Df9GPl90/8j9K3EFKSEM=; h=Date:To:From:Subject:From; b=IbLxpvEvzqARGEPNfqrgh0kjHALuXRlaOXINR7jp2zIxIbrjxJV+a2xJMFoVkFv9u 4C2ORFXjnLMe9UPIfwGir3jDayAcN8FLuTDP42h5tAD+LFSCN/+ljcvoCrGWF1oyc1 gYLrDEYvuhcPtheM9C9RRowjJsFHtOpMSPQNlC6Y= Date: Thu, 08 Jun 2023 16:28:11 -0700 To: mm-commits@vger.kernel.org, zhengqi.arch@bytedance.com, willy@infradead.org, will@kernel.org, tsbogend@alpha.franken.de, tglx@linutronix.de, surenb@google.com, rppt@kernel.org, peterz@infradead.org, palmer@rivosync.com, palmer@dabbelt.com, mpe@ellerman.id.au, monstr@monstr.eu, mingo@elte.hu, mike.kravetz@oracle.com, linux@armlinux.org.uk, kirill.shutemov@linux.intel.com, jcmvbkbc@gmail.com, imbrenda@linux.ibm.com, hpa@zytor.com, hca@linux.ibm.com, glaubitz@physik.fu-berlin.de, gerg@linux-m68k.org, geert@linux-m68k.org, deller@gmx.de, david@redhat.com, davem@davemloft.net, dave.anglin@bell.net, chris@zankel.net, catalin.marinas@arm.com, borntraeger@linux.ibm.com, aneesh.kumar@linux.ibm.com, alexghiti@rivosinc.com, agordeev@linux.ibm.com, hughd@google.com, akpm@linux-foundation.org From: Andrew Morton Subject: + parisc-unmap_uncached_pte-use-pte_offset_kernel.patch added to mm-unstable branch Message-Id: <20230608232811.9EAF6C433EF@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: parisc: unmap_uncached_pte() use pte_offset_kernel() has been added to the -mm mm-unstable branch. Its filename is parisc-unmap_uncached_pte-use-pte_offset_kernel.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/parisc-unmap_uncached_pte-use-pte_offset_kernel.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Hugh Dickins Subject: parisc: unmap_uncached_pte() use pte_offset_kernel() Date: Thu, 8 Jun 2023 12:20:00 -0700 (PDT) unmap_uncached_pte() is working from pgd_offset_k(vaddr), so it should use pte_offset_kernel() instead of pte_offset_map(), to avoid the question of whether a pte_unmap() will be needed to balance. Link: https://lkml.kernel.org/r/358dfe21-a47f-9d3-bf21-9c454735944@google.com Signed-off-by: Hugh Dickins Cc: Alexander Gordeev Cc: Alexandre Ghiti Cc: Aneesh Kumar K.V Cc: Catalin Marinas Cc: Christian Borntraeger Cc: Chris Zankel Cc: Claudio Imbrenda Cc: David Hildenbrand Cc: "David S. Miller" Cc: Geert Uytterhoeven Cc: Greg Ungerer Cc: Heiko Carstens Cc: Helge Deller Cc: "H. Peter Anvin" Cc: Ingo Molnar Cc: John David Anglin Cc: John Paul Adrian Glaubitz Cc: Kirill A. Shutemov Cc: Matthew Wilcox (Oracle) Cc: Max Filippov Cc: Michael Ellerman Cc: Michal Simek Cc: Mike Kravetz Cc: Mike Rapoport (IBM) Cc: Palmer Dabbelt Cc: Palmer Dabbelt Cc: Peter Zijlstra Cc: Qi Zheng Cc: Russell King Cc: Suren Baghdasaryan Cc: Thomas Bogendoerfer Cc: Thomas Gleixner Cc: Will Deacon Signed-off-by: Andrew Morton --- arch/parisc/kernel/pci-dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/parisc/kernel/pci-dma.c~parisc-unmap_uncached_pte-use-pte_offset_kernel +++ a/arch/parisc/kernel/pci-dma.c @@ -164,7 +164,7 @@ static inline void unmap_uncached_pte(pm pmd_clear(pmd); return; } - pte = pte_offset_map(pmd, vaddr); + pte = pte_offset_kernel(pmd, vaddr); vaddr &= ~PMD_MASK; end = vaddr + size; if (end > PMD_SIZE) _ Patches currently in -mm which might be from hughd@google.com are arm-allow-pte_offset_map-to-fail.patch arm64-allow-pte_offset_map-to-fail.patch arm64-hugetlb-pte_alloc_huge-pte_offset_huge.patch ia64-hugetlb-pte_alloc_huge-pte_offset_huge.patch m68k-allow-pte_offset_map-to-fail.patch microblaze-allow-pte_offset_map-to-fail.patch mips-update_mmu_cache-can-replace-__update_tlb.patch parisc-add-pte_unmap-to-balance-get_ptep.patch parisc-unmap_uncached_pte-use-pte_offset_kernel.patch parisc-hugetlb-pte_alloc_huge-pte_offset_huge.patch powerpc-kvmppc_unmap_free_pmd-pte_offset_kernel.patch powerpc-allow-pte_offset_map-to-fail.patch powerpc-hugetlb-pte_alloc_huge.patch riscv-hugetlb-pte_alloc_huge-pte_offset_huge.patch s390-allow-pte_offset_map_lock-to-fail.patch s390-gmap-use-pte_unmap_unlock-not-spin_unlock.patch sh-hugetlb-pte_alloc_huge-pte_offset_huge.patch sparc-hugetlb-pte_alloc_huge-pte_offset_huge.patch sparc-allow-pte_offset_map-to-fail.patch sparc-iounit-and-iommu-use-pte_offset_kernel.patch x86-allow-get_locked_pte-to-fail.patch x86-sme_populate_pgd-use-pte_offset_kernel.patch xtensa-add-pte_unmap-to-balance-pte_offset_map.patch