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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,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 5F1A6ECDE46 for ; Thu, 25 Oct 2018 00:09:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F23E120832 for ; Thu, 25 Oct 2018 00:09:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="HlW9hkwa" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F23E120832 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726803AbeJYIjl (ORCPT ); Thu, 25 Oct 2018 04:39:41 -0400 Received: from mail-pf1-f196.google.com ([209.85.210.196]:44169 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726019AbeJYIjl (ORCPT ); Thu, 25 Oct 2018 04:39:41 -0400 Received: by mail-pf1-f196.google.com with SMTP id j2-v6so52768pfn.11 for ; Wed, 24 Oct 2018 17:09:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=Dd9htmrIBxK1xqDAJaYeWVH09dIkotWYFY1BayV7uKA=; b=HlW9hkwaNyJ/JdKbXExQLNeggX0cy/VXQ73SduopQcEyFKm09gNU4OShy/l2Io36bq YT0ZK8aaZyAnsjb84v5T7Ez+4n0bEP9ZA/LUiX4vuWcLup8g9DxG8RTp2H5BI8g/OG8Z ucX3TygGxOEU5zOW2Fc9dwtdv8+9lErn9C/dUo7lAOh6dnrJ1NymGKoIDLHplYUMk1b/ rfc4IRRQiJoJYI92E0pDnppkNjmRCwn15yyXegRX/dstJcHPlN6DJ9Fk1Vv8CqHceXF4 rUM7vk+NxcALDmXCevjeFVkqnaNYfRtxAnuiOdKj8nHTMLMzjdL8aH8O3VXaD/ad6+18 F7qg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=Dd9htmrIBxK1xqDAJaYeWVH09dIkotWYFY1BayV7uKA=; b=Oxiehn+RaKRKrWTb/Dk2vlt++e/k97XvMiIdiYp0WRhzxNQ5tXVyyHT9twQC/iO9nx vy5h5+jnQQYgd834+i2H2A28USqqJpEvdoN7I6bmLpJikx9cGiiYRVIP3OuD95v84bFf Y8nY+irLtQRmiho7Lj/7v4itGP/eYQZjrfoxhrsFog+ow3ijRGogsMwX2exJY8FH/KVk PuZBJt8WVYmpVI23fUYUjzEmmyQkb7oEDg1ZTWYNqLPYLpRNj+K73cdaeF4sn6rNeLaP utR8aGxHf1wOOpgPXGwGDdHFAxYP0SMFhBCkipC4OA9L4+dcs7OGUZ99uDi2G5W8fzbQ m26A== X-Gm-Message-State: AGRZ1gLLE2Q3ic9cIUI7rq4Q5oAvwPC0Lc/vCpYKx/7/iaB/iv8QgcJx YIRZpYQaoIzWa2qxEQXi8v8= X-Google-Smtp-Source: AJdET5dWD+lGoGYAUQTVrhXMNJt+nvl332OkqlnCCCnewretH44k6shb+PCLABEtYh9TXr9mo3JqOw== X-Received: by 2002:a62:9402:: with SMTP id m2-v6mr4683115pfe.255.1540426168261; Wed, 24 Oct 2018 17:09:28 -0700 (PDT) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.250]) by smtp.gmail.com with ESMTPSA id o9-v6sm12008598pgn.30.2018.10.24.17.09.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 24 Oct 2018 17:09:27 -0700 (PDT) From: Florian Fainelli To: linux-arm-kernel@lists.infradead.org Cc: Florian Fainelli , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Kim Phillips , Greg Kroah-Hartman , Thomas Gleixner , Ravi Bangoria , Thomas Richter , linux-kernel@vger.kernel.org (open list), rmk+kernel@armlinux.org.uk, l.stach@pengutronix.de Subject: [PATCH 0/2] perf tests: Check for ARM [vectors] page Date: Wed, 24 Oct 2018 17:09:03 -0700 Message-Id: <20181025000905.6095-1-f.fainelli@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, I just painfully learned that perf would segfault when CONFIG_KUSER_HELPERS is disabled because it unconditionally makes use of it. This patch series adds an ARM test for that by leveraging the existing find_vdso_map() function and making it more generic and capable of location any map within /proc/self/maps. Florian Fainelli (2): perf tools: Make find_vdso_map() more modular perf tests: Add a test for the ARM 32-bit [vectors] page tools/perf/arch/arm/tests/Build | 1 + tools/perf/arch/arm/tests/arch-tests.c | 4 +++ tools/perf/arch/arm/tests/vectors-page.c | 20 +++++++++++++++ tools/perf/tests/tests.h | 5 ++++ tools/perf/util/find-map.c | 31 ++++++++++++++++++++++++ tools/perf/util/find-vdso-map.c | 30 +++-------------------- 6 files changed, 64 insertions(+), 27 deletions(-) create mode 100644 tools/perf/arch/arm/tests/vectors-page.c create mode 100644 tools/perf/util/find-map.c -- 2.17.1