linux-kernel - arch/parisc/kernel/toc.c:61:32: warning: no previous prototype for 'toc

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Date:   Mon, 17 Jan 2022 14:57:31 +0800
From:   kernel test robot <lkp@...el.com>
To:     Sven Schnelle <svens@...ckframe.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Helge Deller <deller@....de>
Subject: arch/parisc/kernel/toc.c:61:32: warning: no previous prototype for
 'toc_intr'

Hi Sven,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   35ce8ae9ae2e471f92759f9d6880eab42cc1c3b6
commit: bc294838cc3443a2fbec58f8936ad4bd0a0b3055 parisc: add support for TOC (transfer of control)
date:   3 months ago
config: parisc-randconfig-r022-20220116 (https://download.01.org/0day-ci/archive/20220117/202201171401.TSfnAVql-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bc294838cc3443a2fbec58f8936ad4bd0a0b3055
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout bc294838cc3443a2fbec58f8936ad4bd0a0b3055
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=parisc SHELL=/bin/bash arch/parisc/kernel/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> arch/parisc/kernel/toc.c:61:32: warning: no previous prototype for 'toc_intr' [-Wmissing-prototypes]
      61 | void notrace __noreturn __cold toc_intr(struct pt_regs *regs)
         |                                ^~~~~~~~


vim +/toc_intr +61 arch/parisc/kernel/toc.c

    60	
  > 61	void notrace __noreturn __cold toc_intr(struct pt_regs *regs)
    62	{
    63		struct pdc_toc_pim_20 pim_data20;
    64		struct pdc_toc_pim_11 pim_data11;
    65	
    66		nmi_enter();
    67	
    68		if (boot_cpu_data.cpu_type >= pcxu) {
    69			if (pdc_pim_toc20(&pim_data20))
    70				panic("Failed to get PIM data");
    71			toc20_to_pt_regs(regs, &pim_data20);
    72		} else {
    73			if (pdc_pim_toc11(&pim_data11))
    74				panic("Failed to get PIM data");
    75			toc11_to_pt_regs(regs, &pim_data11);
    76		}
    77	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org