From: tip-bot for Hongxu Jia <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: sboisvert@gydle.com, tmricht@linux.vnet.ibm.com, acme@redhat.com,
mingo@kernel.org, tglx@linutronix.de, namhyung@kernel.org,
brueckner@linux.vnet.ibm.com, alexander.shishkin@linux.intel.com,
linux-kernel@vger.kernel.org, mpe@ellerman.id.au,
jolsa@redhat.com, kim.phillips@arm.com,
ravi.bangoria@linux.vnet.ibm.com, hpa@zytor.com,
peterz@infradead.org, hongxu.jia@windriver.com
Subject: [tip:perf/urgent] perf arm64: Fix generate system call table failed with /tmp mounted with noexec
Date: Fri, 26 Oct 2018 00:30:08 -0700 [thread overview]
Message-ID: <tip-1qrgq840ci0c5cy4oww957ge@git.kernel.org> (raw)
Commit-ID: 389373d3306553896a9e218493e5b6175c844eb0
Gitweb: https://git.kernel.org/tip/389373d3306553896a9e218493e5b6175c844eb0
Author: Hongxu Jia <hongxu.jia@windriver.com>
AuthorDate: Thu, 18 Oct 2018 16:26:13 +0800
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Fri, 19 Oct 2018 11:56:57 -0300
perf arm64: Fix generate system call table failed with /tmp mounted with noexec
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.
Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Cc: Sébastien Boisvert <sboisvert@gydle.com>
Cc: Thomas Richter <tmricht@linux.vnet.ibm.com>
Fixes: 2b5882435606 ("perf arm64: Generate system call table from asm/unistd.h")
LPU-Reference: 1539851173-14959-1-git-send-email-hongxu.jia@windriver.com
Link: https://lkml.kernel.org/n/tip-1qrgq840ci0c5cy4oww957ge@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/arch/arm64/entry/syscalls/mksyscalltbl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl b/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl
index 2dbb8cade048..c88fd32563eb 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`
{
reply other threads:[~2018-10-26 7:30 UTC|newest]
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