arch/sh/boot/compressed/misc.c:118:6: warning: no previous prototype for 'arch_ftrace_ops_list_func'

From: kernel test robot
Date: Mon Oct 30 2023 - 18:15:39 EST


Hi Steven,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 14ab6d425e80674b6a0145f05719b11e82e64824
commit: 17b251a290ba84a0c2c5c82df9596cb2e7207ca6 ftrace/sh: Add arch_ftrace_ops_list_func stub to have compressed image still link
date: 2 years ago
config: sh-allnoconfig (https://download.01.org/0day-ci/archive/20231031/202310310611.5RteDpO7-lkp@xxxxxxxxx/config)
compiler: sh4-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231031/202310310611.5RteDpO7-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310310611.5RteDpO7-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

arch/sh/boot/compressed/misc.c:109:6: warning: no previous prototype for '__stack_chk_fail' [-Wmissing-prototypes]
109 | void __stack_chk_fail(void)
| ^~~~~~~~~~~~~~~~
arch/sh/boot/compressed/misc.c:115:6: warning: no previous prototype for 'ftrace_stub' [-Wmissing-prototypes]
115 | void ftrace_stub(void)
| ^~~~~~~~~~~
>> arch/sh/boot/compressed/misc.c:118:6: warning: no previous prototype for 'arch_ftrace_ops_list_func' [-Wmissing-prototypes]
118 | void arch_ftrace_ops_list_func(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~
arch/sh/boot/compressed/misc.c:128:6: warning: no previous prototype for 'decompress_kernel' [-Wmissing-prototypes]
128 | void decompress_kernel(void)
| ^~~~~~~~~~~~~~~~~


vim +/arch_ftrace_ops_list_func +118 arch/sh/boot/compressed/misc.c

113
114 /* Needed because vmlinux.lds.h references this */
115 void ftrace_stub(void)
116 {
117 }
> 118 void arch_ftrace_ops_list_func(void)
119 {
120 }
121

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