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 <[email protected]> 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. 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 <[email protected]> --- 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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