diff options
| author |   Sami Tolvanen <samitolvanen@google.com> | 2022-09-08 14:54:55 -0700 |
|---|---|---|
| committer |   Kees Cook <keescook@chromium.org> | 2022-09-26 10:13:14 -0700 |
| commit | 607289a7cd7a3ca42b8a6877fcb6072e6eb20c34 (patch) | |
| tree | 67aa63c5bf9418fbbf81f5caa372231a27dbc6b6 /include/linux/compiler.h | |
| parent | init: Drop __nocfi from __init (diff) | |
| download | linux-dev-607289a7cd7a3ca42b8a6877fcb6072e6eb20c34.tar.xz linux-dev-607289a7cd7a3ca42b8a6877fcb6072e6eb20c34.zip | |
treewide: Drop function_nocfi
With -fsanitize=kcfi, we no longer need function_nocfi() as
the compiler won't change function references to point to a
jump table. Remove all implementations and uses of the macro.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Kees Cook <keescook@chromium.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220908215504.3686827-14-samitolvanen@google.com
Diffstat (limited to 'include/linux/compiler.h')
| -rw-r--r-- | include/linux/compiler.h | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 7bfafc69172a..973a1bfd7ef5 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -203,16 +203,6 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val, __v; \ }) -/* - * With CONFIG_CFI_CLANG, the compiler replaces function addresses in - * instrumented C code with jump table addresses. Architectures that - * support CFI can define this macro to return the actual function address - * when needed. - */ -#ifndef function_nocfi -#define function_nocfi(x) (x) -#endif - #endif /* __KERNEL__ */ /* |