linux-kernel - [mchinth:sep_linux_v6.0-rc7 2/2] drivers/platform/x86/sepdk/sep/linuxos.c:91:27: warning: 'kp

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Message-ID: <202210040859.yjIUzeeH-lkp@intel.com>
Date:   Tue, 4 Oct 2022 08:48:40 +0800
From:   kernel test robot <lkp@...el.com>
To:     Manisha Chinthapally <manisha.chinthapally@...el.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mchinth:sep_linux_v6.0-rc7 2/2]
 drivers/platform/x86/sepdk/sep/linuxos.c:91:27: warning: 'kp_munmap' defined
 but not used

tree:   https://github.com/mchinth/linux sep_linux_v6.0-rc7
head:   4c704363910aa00df3243bcb1658edf3fb9919c9
commit: 4c704363910aa00df3243bcb1658edf3fb9919c9 [2/2] Merge SEP5.36 into Linux tree
config: i386-randconfig-a014-20221003
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/mchinth/linux/commit/4c704363910aa00df3243bcb1658edf3fb9919c9
        git remote add mchinth https://github.com/mchinth/linux
        git fetch --no-tags mchinth sep_linux_v6.0-rc7
        git checkout 4c704363910aa00df3243bcb1658edf3fb9919c9
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/platform/x86/sepdk/sep/

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

All warnings (new ones prefixed by >>):

   drivers/platform/x86/sepdk/sep/linuxos.c:856:1: warning: no previous prototype for 'linuxos_online_cpu' [-Wmissing-prototypes]
     856 | linuxos_online_cpu(unsigned int cpu)
         | ^~~~~~~~~~~~~~~~~~
   drivers/platform/x86/sepdk/sep/linuxos.c:882:1: warning: no previous prototype for 'linuxos_offline_cpu' [-Wmissing-prototypes]
     882 | linuxos_offline_cpu(unsigned int cpu)
         | ^~~~~~~~~~~~~~~~~~~
   drivers/platform/x86/sepdk/sep/linuxos.c:592:1: warning: 'linuxos_Exec_Unmap_Notify' defined but not used [-Wunused-function]
     592 | linuxos_Exec_Unmap_Notify(struct kprobe *p, struct pt_regs *regs)
         | ^~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/platform/x86/sepdk/sep/linuxos.c:91:27: warning: 'kp_munmap' defined but not used [-Wunused-variable]
      91 | static struct kprobe     *kp_munmap             = NULL;
         |                           ^~~~~~~~~


vim +/kp_munmap +91 drivers/platform/x86/sepdk/sep/linuxos.c

    84	
    85	static volatile S32 hooks_installed = 0;
    86	#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 15, 0)
    87	static struct tracepoint *tp_sched_switch = NULL;
    88	#endif
    89	#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 17, 0)
    90	static struct tracepoint *tp_sched_process_exit = NULL;
  > 91	static struct kprobe     *kp_munmap             = NULL;
    92	#endif
    93	static struct kprobe *kp_guest_enter = NULL;
    94	static struct kprobe *kp_guest_exit  = NULL;
    95	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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