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 DA4E8C433F5 for ; Wed, 20 Apr 2022 20:31:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238088AbiDTUd5 (ORCPT ); Wed, 20 Apr 2022 16:33:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51524 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348222AbiDTUd4 (ORCPT ); Wed, 20 Apr 2022 16:33:56 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 51818377C7 for ; Wed, 20 Apr 2022 13:31:09 -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 ams.source.kernel.org (Postfix) with ESMTPS id 04F3FB8215F for ; Wed, 20 Apr 2022 20:31:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AEC2AC385A1; Wed, 20 Apr 2022 20:31:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1650486666; bh=n5uFQ7VM7EgDdEKlciAiuZLm0nlb9GuKfAQ4MmYnmDY=; h=Date:To:From:Subject:From; b=KURwUrS/wWItOcQgsf6vzVqKCdHgTMGy1tUkQ0f3wuV10gZxBUbdSVIYMrTE24qAt l9RAmXCisW/UfCD067UcMvLeHnpT7hKtEcp+qw2ElaTIGDPw8kphT3+5BIMIOW4QRt xZM80mGg3NShc1BZ1nMFakp/3dpX7s24KBKDUrwE= Date: Wed, 20 Apr 2022 13:31:05 -0700 To: mm-commits@vger.kernel.org, will@kernel.org, Liam.Howlett@oracle.com, catalin.marinas@arm.com, liam.howlett@oracle.com, akpm@linux-foundation.org From: Andrew Morton Subject: + arm64-change-elfcore-for_each_mte_vma-to-use-vma-iterator.patch added to -mm tree Message-Id: <20220420203106.AEC2AC385A1@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: arm64: change elfcore for_each_mte_vma() to use VMA iterator has been added to the -mm tree. Its filename is arm64-change-elfcore-for_each_mte_vma-to-use-vma-iterator.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/arm64-change-elfcore-for_each_mte_vma-to-use-vma-iterator.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/arm64-change-elfcore-for_each_mte_vma-to-use-vma-iterator.patch 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 and is updated there every 3-4 working days ------------------------------------------------------ From: Liam Howlett Subject: arm64: change elfcore for_each_mte_vma() to use VMA iterator Rework for_each_mte_vma() to use a VMA iterator instead of an explicit linked-list. Link: https://lore.kernel.org/r/20220218023650.672072-1-Liam.Howlett@oracle.com Link: https://lkml.kernel.org/r/20220419192157.2jn6olj7lg6jvo5e@revolver Signed-off-by: Liam R. Howlett Signed-off-by: Will Deacon Acked-by: Catalin Marinas Signed-off-by: Andrew Morton --- arch/arm64/kernel/elfcore.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) --- a/arch/arm64/kernel/elfcore.c~arm64-change-elfcore-for_each_mte_vma-to-use-vma-iterator +++ a/arch/arm64/kernel/elfcore.c @@ -8,9 +8,9 @@ #include #include -#define for_each_mte_vma(tsk, vma) \ +#define for_each_mte_vma(vmi, vma) \ if (system_supports_mte()) \ - for (vma = tsk->mm->mmap; vma; vma = vma->vm_next) \ + for_each_vma(vmi, vma) \ if (vma->vm_flags & VM_MTE) static unsigned long mte_vma_tag_dump_size(struct vm_area_struct *vma) @@ -81,8 +81,9 @@ Elf_Half elf_core_extra_phdrs(void) { struct vm_area_struct *vma; int vma_count = 0; + VMA_ITERATOR(vmi, current->mm, 0); - for_each_mte_vma(current, vma) + for_each_mte_vma(vmi, vma) vma_count++; return vma_count; @@ -91,8 +92,9 @@ Elf_Half elf_core_extra_phdrs(void) int elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset) { struct vm_area_struct *vma; + VMA_ITERATOR(vmi, current->mm, 0); - for_each_mte_vma(current, vma) { + for_each_mte_vma(vmi, vma) { struct elf_phdr phdr; phdr.p_type = PT_ARM_MEMTAG_MTE; @@ -116,8 +118,9 @@ size_t elf_core_extra_data_size(void) { struct vm_area_struct *vma; size_t data_size = 0; + VMA_ITERATOR(vmi, current->mm, 0); - for_each_mte_vma(current, vma) + for_each_mte_vma(vmi, vma) data_size += mte_vma_tag_dump_size(vma); return data_size; @@ -126,8 +129,9 @@ size_t elf_core_extra_data_size(void) int elf_core_write_extra_data(struct coredump_params *cprm) { struct vm_area_struct *vma; + VMA_ITERATOR(vmi, current->mm, 0); - for_each_mte_vma(current, vma) { + for_each_mte_vma(vmi, vma) { if (vma->vm_flags & VM_DONTDUMP) continue; _ Patches currently in -mm which might be from liam.howlett@oracle.com are radix-tree-test-suite-add-lockdep_is_held-to-header.patch mips-rename-mt_init-to-mips_mt_init.patch maple-tree-add-new-data-structure-fix.patch lib-test_maple_tree-add-testing-for-maple-tree.patch mmap-change-zeroing-of-maple-tree-in-__vma_adjust.patch arm64-change-elfcore-for_each_mte_vma-to-use-vma-iterator.patch riscv-use-vma-iterator-for-vdso.patch mm-mmapc-pass-in-mapping-to-__vma_link_file.patch mglru-vs-maple-tree-fix.patch