Commit-ID: 01684e72f16727e6ae0aeb1392f478e11ec5b8f7 Gitweb: https://git.kernel.org/tip/01684e72f16727e6ae0aeb1392f478e11ec5b8f7 Author: Arnd Bergmann <[email protected]> AuthorDate: Fri, 2 Feb 2018 15:56:19 +0100 Committer: Ingo Molnar <[email protected]> CommitDate: Tue, 13 Feb 2018 14:33:35 +0100
x86/error_inject: Make just_return_func() globally visible With link time optimizations enabled, I get a link failure: ./ccLbOEHX.ltrans19.ltrans.o: In function `override_function_with_return': <artificial>:(.text+0x7f3): undefined reference to `just_return_func' Marking the symbol .globl makes it work as expected. Signed-off-by: Arnd Bergmann <[email protected]> Acked-by: Masami Hiramatsu <[email protected]> Acked-by: Thomas Gleixner <[email protected]> Cc: Alexei Starovoitov <[email protected]> Cc: Josef Bacik <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Nicolas Pitre <[email protected]> Cc: Peter Zijlstra <[email protected]> Fixes: 540adea3809f ("error-injection: Separate error-injection from kprobe") Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- arch/x86/lib/error-inject.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/lib/error-inject.c b/arch/x86/lib/error-inject.c index 7b881d0..3cdf061 100644 --- a/arch/x86/lib/error-inject.c +++ b/arch/x86/lib/error-inject.c @@ -7,6 +7,7 @@ asmlinkage void just_return_func(void); asm( ".type just_return_func, @function\n" + ".globl just_return_func\n" "just_return_func:\n" " ret\n" ".size just_return_func, .-just_return_func\n"
