On Fri, Jun 9, 2017 at 1:38 PM, Will Deacon <[email protected]> wrote: > Hi Arnd, > > On Fri, Jun 09, 2017 at 12:27:06PM +0200, Arnd Bergmann wrote: >> When CONFIG_MODULES is disabled, we cannot dereference a module pointer: >> >> arch/arm64/kernel/ftrace.c: In function 'ftrace_make_call': >> arch/arm64/kernel/ftrace.c:107:36: error: dereferencing pointer to >> incomplete type 'struct module' >> trampoline = (unsigned long *)mod->arch.ftrace_trampoline; >> >> Also, the within_module() function is not defined: >> >> arch/arm64/kernel/ftrace.c: In function 'ftrace_make_nop': >> arch/arm64/kernel/ftrace.c:171:8: error: implicit declaration of function >> 'within_module'; did you mean 'init_module'? >> [-Werror=implicit-function-declaration] >> >> This addresses both by adding the appropriate stubs. >> >> Fixes: e71a4e1bebaf ("arm64: ftrace: add support for far branches to dynamic >> ftrace") >> Signed-off-by: Arnd Bergmann <[email protected]> >> --- >> arch/arm64/include/asm/module.h | 6 ++++++ >> arch/arm64/kernel/ftrace.c | 2 +- >> include/linux/module.h | 5 +++++ >> 3 files changed, 12 insertions(+), 1 deletion(-) > > I can't seem to reproduce this simply by disabling MODULES in defconfig. > Could you share your .config, please?
This is the randconfig I used: https://pastebin.com/SfKBY7f8 Arnd
