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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 D5450C67863 for ; Fri, 19 Oct 2018 02:06:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8890020645 for ; Fri, 19 Oct 2018 02:06:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8890020645 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=windriver.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 S1726860AbeJSKKZ (ORCPT ); Fri, 19 Oct 2018 06:10:25 -0400 Received: from mail.windriver.com ([147.11.1.11]:58761 "EHLO mail.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725934AbeJSKKZ (ORCPT ); Fri, 19 Oct 2018 06:10:25 -0400 Received: from ALA-HCB.corp.ad.wrs.com ([147.11.189.41]) by mail.windriver.com (8.15.2/8.15.1) with ESMTPS id w9J263Jt010256 (version=TLSv1 cipher=AES128-SHA bits=128 verify=FAIL); Thu, 18 Oct 2018 19:06:03 -0700 (PDT) Received: from pek-lpg-core1-vm2.wrs.com (128.224.156.107) by ALA-HCB.corp.ad.wrs.com (147.11.189.41) with Microsoft SMTP Server id 14.3.408.0; Thu, 18 Oct 2018 19:06:02 -0700 From: Hongxu Jia To: , CC: , , , , , , , , , , Subject: [PATCH V2] perf arm64: Fix generate system call table failed with /tmp mounted with noexec Date: Fri, 19 Oct 2018 10:16:19 +0800 Message-ID: <1539915379-11910-1-git-send-email-hongxu.jia@windriver.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1c6964d0-a7d2-83ef-16f2-bdf349e3f0af@gydle.com> References: <1c6964d0-a7d2-83ef-16f2-bdf349e3f0af@gydle.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When /tmp is mounted with noexec, mksyscalltbl fails. [snip] |perf-1.0/tools/perf/arch/arm64/entry/syscalls//mksyscalltbl: /tmp/create-table-6VGPSt: Permission denied [snip] Add variable TMPDIR as prefix dir of the temporary file, if it is set, replace default /tmp Remove extra slash from `syscalls//mksyscalltbl' Fixes: 2b5882435606 ("perf arm64: Generate system call table from asm/unistd.h") Signed-off-by: Hongxu Jia --- tools/perf/arch/arm64/Makefile | 2 +- tools/perf/arch/arm64/entry/syscalls/mksyscalltbl | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/arch/arm64/Makefile b/tools/perf/arch/arm64/Makefile index dbef716..bc2a284 100644 --- a/tools/perf/arch/arm64/Makefile +++ b/tools/perf/arch/arm64/Makefile @@ -13,7 +13,7 @@ out := $(OUTPUT)arch/arm64/include/generated/asm header := $(out)/syscalls.c incpath := $(srctree)/tools sysdef := $(srctree)/tools/arch/arm64/include/uapi/asm/unistd.h -sysprf := $(srctree)/tools/perf/arch/arm64/entry/syscalls/ +sysprf := $(srctree)/tools/perf/arch/arm64/entry/syscalls systbl := $(sysprf)/mksyscalltbl # Create output directory if not already present diff --git a/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl b/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl index 2dbb8cad..c88fd32 100755 --- a/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl +++ b/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl @@ -23,7 +23,7 @@ create_table_from_c() { local sc nr last_sc - create_table_exe=`mktemp /tmp/create-table-XXXXXX` + create_table_exe=`mktemp ${TMPDIR:-/tmp}/create-table-XXXXXX` { -- 2.7.4