diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2023-12-15 10:12:21 +0100 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2023-12-15 16:25:55 -0800 |
| commit | e9d13b9d2f99ccf7afeab490d97eaa5ac9846598 (patch) | |
| tree | 51bae8a1316eb43a74aefebb60a641c89bba6f9e /include/linux/cfi.h | |
| parent | 2cd3e3772e41377f32d6eea643e0590774e9187c (diff) | |
cfi: Add CFI_NOSEAL()
Add a CFI_NOSEAL() helper to mark functions that need to retain their
CFI information, despite not otherwise leaking their address.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20231215092707.669401084@infradead.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'include/linux/cfi.h')
| -rw-r--r-- | include/linux/cfi.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/cfi.h b/include/linux/cfi.h index 1ed2d96c0cfc..f0df518e11dd 100644 --- a/include/linux/cfi.h +++ b/include/linux/cfi.h @@ -46,4 +46,8 @@ static inline void module_cfi_finalize(const Elf_Ehdr *hdr, #endif /* CONFIG_ARCH_USES_CFI_TRAPS */ #endif /* CONFIG_MODULES */ +#ifndef CFI_NOSEAL +#define CFI_NOSEAL(x) +#endif + #endif /* _LINUX_CFI_H */ |