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

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Date:   Thu, 16 Jun 2022 18:50:21 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ard Biesheuvel <ardb@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [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

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@intel.com/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@...el.com>

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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