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684fbd42d3
'struct kobj_type' is not modified. It is only used in 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 arm defconfig: Before: ====== text data bss dec hex filename 5602 548 352 6502 1966 arch/arm64/kernel/cpuinfo.o After: ====== text data bss dec hex filename 5650 500 352 6502 1966 arch/arm64/kernel/cpuinfo.o Signed-off-by: Huang Xiaojia <huangxiaojia2@huawei.com> Link: https://lore.kernel.org/r/20240826151250.3500302-1-huangxiaojia2@huawei.com Signed-off-by: Will Deacon <will@kernel.org> |
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