[ardb:jump-label-nop-patching-cleanup-v2 6/6] kernel/jump_label.c:336:13: error: static declaration of 'arch_jump_label_transform_static' follows non-static declaration

From: kernel test robot
Date: Thu Jun 16 2022 - 06:51:02 EST


tree: git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git jump-label-nop-patching-cleanup-v2
head: 744ed73c1f97ab081fa753030a27d7fe5865f8c4
commit: 744ed73c1f97ab081fa753030a27d7fe5865f8c4 [6/6] jump_label: make initial NOP patching the special case
config: x86_64-rhel-8.3-syz (https://download.01.org/0day-ci/archive/20220616/202206161816.11vbdgXt-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git/commit/?id=744ed73c1f97ab081fa753030a27d7fe5865f8c4
git remote add ardb git://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git
git fetch --no-tags ardb jump-label-nop-patching-cleanup-v2
git checkout 744ed73c1f97ab081fa753030a27d7fe5865f8c4
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> kernel/jump_label.c:336:13: error: static declaration of 'arch_jump_label_transform_static' follows non-static declaration
336 | static void arch_jump_label_transform_static(struct jump_entry *entry,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/dynamic_debug.h:6,
from include/linux/printk.h:584,
from include/linux/kernel.h:29,
from arch/x86/include/asm/percpu.h:27,
from arch/x86/include/asm/current.h:6,
from include/linux/sched.h:12,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/node.h:18,
from include/linux/memory.h:19,
from kernel/jump_label.c:9:
include/linux/jump_label.h:223:13: note: previous declaration of 'arch_jump_label_transform_static' with type 'void(struct jump_entry *, enum jump_label_type)'
223 | extern void arch_jump_label_transform_static(struct jump_entry *entry,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/arch_jump_label_transform_static +336 kernel/jump_label.c

334
335 #ifndef arch_jump_label_transform_static
> 336 static void arch_jump_label_transform_static(struct jump_entry *entry,
337 enum jump_label_type type)
338 {
339 /* nothing to do on most architectures */
340 }
341 #endif
342

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