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 X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8B591C43461 for ; Fri, 4 Sep 2020 08:31:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4271D20709 for ; Fri, 4 Sep 2020 08:31:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729908AbgIDIbv (ORCPT ); Fri, 4 Sep 2020 04:31:51 -0400 Received: from foss.arm.com ([217.140.110.172]:46044 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729707AbgIDIbt (ORCPT ); Fri, 4 Sep 2020 04:31:49 -0400 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 5B0641045; Fri, 4 Sep 2020 01:31:48 -0700 (PDT) Received: from p8cg001049571a15.arm.com (unknown [10.163.70.23]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 343333F66F; Fri, 4 Sep 2020 01:31:44 -0700 (PDT) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org Cc: Anshuman Khandual , Catalin Marinas , Will Deacon , Ard Biesheuvel , Steven Price , Andrew Morton , linux-kernel@vger.kernel.org Subject: [PATCH] arm64/mm/ptdump: Add address markers for BPF regions Date: Fri, 4 Sep 2020 14:00:59 +0530 Message-Id: <1599208259-11191-1-git-send-email-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Kernel virtual region [BPF_JIT_REGION_START..BPF_JIT_REGION_END] is missing from address_markers[], hence relevant page table entries are not displayed with /sys/kernel/debug/kernel_page_tables. This adds those missing markers. While here, also rename arch/arm64/mm/dump.c which sounds bit ambiguous, as arch/arm64/mm/ptdump.c instead. Cc: Catalin Marinas Cc: Will Deacon Cc: Ard Biesheuvel Cc: Steven Price Cc: Andrew Morton Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual --- arch/arm64/mm/Makefile | 2 +- arch/arm64/mm/{dump.c => ptdump.c} | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) rename arch/arm64/mm/{dump.c => ptdump.c} (99%) diff --git a/arch/arm64/mm/Makefile b/arch/arm64/mm/Makefile index d91030f0ffee..2a1d275cd4d7 100644 --- a/arch/arm64/mm/Makefile +++ b/arch/arm64/mm/Makefile @@ -4,7 +4,7 @@ obj-y := dma-mapping.o extable.o fault.o init.o \ ioremap.o mmap.o pgd.o mmu.o \ context.o proc.o pageattr.o obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o -obj-$(CONFIG_PTDUMP_CORE) += dump.o +obj-$(CONFIG_PTDUMP_CORE) += ptdump.o obj-$(CONFIG_PTDUMP_DEBUGFS) += ptdump_debugfs.o obj-$(CONFIG_NUMA) += numa.o obj-$(CONFIG_DEBUG_VIRTUAL) += physaddr.o diff --git a/arch/arm64/mm/dump.c b/arch/arm64/mm/ptdump.c similarity index 99% rename from arch/arm64/mm/dump.c rename to arch/arm64/mm/ptdump.c index 0b8da1cc1c07..265284dc942d 100644 --- a/arch/arm64/mm/dump.c +++ b/arch/arm64/mm/ptdump.c @@ -41,6 +41,8 @@ static struct addr_marker address_markers[] = { { 0 /* KASAN_SHADOW_START */, "Kasan shadow start" }, { KASAN_SHADOW_END, "Kasan shadow end" }, #endif + { BPF_JIT_REGION_START, "BPF start" }, + { BPF_JIT_REGION_END, "BPF end" }, { MODULES_VADDR, "Modules start" }, { MODULES_END, "Modules end" }, { VMALLOC_START, "vmalloc() area" }, -- 2.20.1