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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F3C11CD4F2B for ; Fri, 22 Sep 2023 08:03:09 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4RsPs85GPfz3grC for ; Fri, 22 Sep 2023 18:03:08 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=arm.com (client-ip=217.140.110.172; helo=foss.arm.com; envelope-from=ryan.roberts@arm.com; receiver=lists.ozlabs.org) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lists.ozlabs.org (Postfix) with ESMTP id 4RsPPV6qdwz3dwm for ; Fri, 22 Sep 2023 17:42:38 +1000 (AEST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 1CC2DDA7; Fri, 22 Sep 2023 00:42:43 -0700 (PDT) Received: from [10.57.65.11] (unknown [10.57.65.11]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id F3AA23F5A1; Fri, 22 Sep 2023 00:41:54 -0700 (PDT) Message-ID: Date: Fri, 22 Sep 2023 08:41:54 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 0/8] Fix set_huge_pte_at() panic on arm64 Content-Language: en-GB To: Catalin Marinas References: <20230921162007.1630149-1-ryan.roberts@arm.com> <20230921093026.230b2991be551093e397f462@linux-foundation.org> <7c5c2c00-d657-44fd-b478-743b43c57e8a@arm.com> From: Ryan Roberts In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Fri, 22 Sep 2023 17:56:48 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Xu , "James E.J. Bottomley" , linux-mm@kvack.org, sparclinux@vger.kernel.org, Alexander Gordeev , Will Deacon , linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, Vasily Gorbik , Helge Deller , Christoph Hellwig , Axel Rasmussen , Gerald Schaefer , Christian Borntraeger , Albert Ou , Arnd Bergmann , Anshuman Khandual , Heiko Carstens , Nicholas Piggin , Qi Zheng , Paul Walmsley , linux-arm-kernel@lists.infradead.org, SeongJae Park , Lorenzo Stoakes , linux-parisc@vger.kernel.org, Greg Kroah-Hartman , Muchun Song , linux-kernel@vger.kernel.org, stable@vger.kernel.org, Uladzislau Rezki , Palmer Dabbelt , Sven Schnelle , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" , Mike Kravetz Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 21/09/2023 18:38, Catalin Marinas wrote: > On Thu, Sep 21, 2023 at 05:35:54PM +0100, Ryan Roberts wrote: >> On 21/09/2023 17:30, Andrew Morton wrote: >>> On Thu, 21 Sep 2023 17:19:59 +0100 Ryan Roberts wrote: >>>> Ryan Roberts (8): >>>> parisc: hugetlb: Convert set_huge_pte_at() to take vma >>>> powerpc: hugetlb: Convert set_huge_pte_at() to take vma >>>> riscv: hugetlb: Convert set_huge_pte_at() to take vma >>>> s390: hugetlb: Convert set_huge_pte_at() to take vma >>>> sparc: hugetlb: Convert set_huge_pte_at() to take vma >>>> mm: hugetlb: Convert set_huge_pte_at() to take vma >>>> arm64: hugetlb: Convert set_huge_pte_at() to take vma >>>> arm64: hugetlb: Fix set_huge_pte_at() to work with all swap entries >>>> >>>> arch/arm64/include/asm/hugetlb.h | 2 +- >>>> arch/arm64/mm/hugetlbpage.c | 22 ++++---------- >>>> arch/parisc/include/asm/hugetlb.h | 2 +- >>>> arch/parisc/mm/hugetlbpage.c | 4 +-- >>>> .../include/asm/nohash/32/hugetlb-8xx.h | 3 +- >>>> arch/powerpc/mm/book3s64/hugetlbpage.c | 2 +- >>>> arch/powerpc/mm/book3s64/radix_hugetlbpage.c | 2 +- >>>> arch/powerpc/mm/nohash/8xx.c | 2 +- >>>> arch/powerpc/mm/pgtable.c | 7 ++++- >>>> arch/riscv/include/asm/hugetlb.h | 2 +- >>>> arch/riscv/mm/hugetlbpage.c | 3 +- >>>> arch/s390/include/asm/hugetlb.h | 8 +++-- >>>> arch/s390/mm/hugetlbpage.c | 8 ++++- >>>> arch/sparc/include/asm/hugetlb.h | 8 +++-- >>>> arch/sparc/mm/hugetlbpage.c | 8 ++++- >>>> include/asm-generic/hugetlb.h | 6 ++-- >>>> include/linux/hugetlb.h | 6 ++-- >>>> mm/damon/vaddr.c | 2 +- >>>> mm/hugetlb.c | 30 +++++++++---------- >>>> mm/migrate.c | 2 +- >>>> mm/rmap.c | 10 +++---- >>>> mm/vmalloc.c | 5 +++- >>>> 22 files changed, 80 insertions(+), 64 deletions(-) >>> >>> Looks scary but it's actually a fairly modest patchset. It could >>> easily be all rolled into a single patch for ease of backporting. >>> Maybe Greg has an opinion? >> >> Yes, I thought about doing that; or perhaps 2 patches - one for the interface >> change across all arches and core code, and one for the actual bug fix? > > I think this would make more sense, especially if we want to backport > it. The first patch would have no functional change, only an interface > change, followed by the arm64 fix. OK I'll do it like this for v2. >