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| author | Huang Xiaojia <huangxiaojia2@huawei.com> | 2024-08-26 23:09:55 +0800 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2024-09-05 22:25:36 +1000 |
| commit | 7509c23770054fdaffd966926462248d44a323c1 (patch) | |
| tree | 064638c273945ce756a9c2103399dcd8a7ddbab7 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 02b98ff44a57c1376c5a92a8518fda5c82bb5a91 (diff) | |
powerpc: Constify struct kobj_type
'struct kobj_type' is not modified. It is only used in
kobject_init_and_add()/kobject_init() which takes
a 'const struct kobj_type *ktype' parameter.
Constifying this structure moves some data to a read-only section,
so increase over all security.
On a x86_64, compiled with ppc64 defconfig:
Before:
======
text data bss dec hex filename
7145 606 0 7751 1e47 arch/powerpc/kernel/cacheinfo.o
3663 384 16 4063 fdf arch/powerpc/kernel/secvar-sysfs.o
After:
======
text data bss dec hex filename
7193 558 0 7751 1e47 arch/powerpc/kernel/cacheinfo.o
3663 384 16 4063 fdf arch/powerpc/kernel/secvar-sysfs.o
Signed-off-by: Huang Xiaojia <huangxiaojia2@huawei.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240826150957.3500237-1-huangxiaojia2@huawei.com
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions