On 2018年10月18日 21:20, Bruce Ashfield wrote:
I tried to apply this to 4.18, but the commit which creates
the issue is only in 4.19+
commit 2b5882435606c209ebc052230f03505ea477a252
Author: Kim Phillips <kim.phill...@arm.com>
Date: Fri Jul 6 16:34:43 2018 -0500
perf arm64: Generate system call table from asm/unistd.h
% git tag --contains 2b5882435606c209ebc052230f03505ea477a252
v4.19-rc1
v4.19-rc2
v4.19-rc3
v4.19-rc4
v4.19-rc5
v4.19-rc6
v4.19-rc7
v4.19-rc8
So I'll merge this to linux-yocto-dev, but the other linux-yocto
variants should be unaffected.
Got it, thanks for the affected check, and I've submitted the fix to
upstream
mailing list linux-perf-us...@vger.kernel.org
//Hongxu
Bruce
On 10/18/18 5:12 AM, Hongxu Jia wrote:
Which /tmp mounted with noexec, generate system call table failed.
[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
Fixes: 2b5882435606 ("perf arm64: Generate system call table from
asm/unistd.h")
Signed-off-by: Hongxu Jia <hongxu....@windriver.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 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`
{
--
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