linux-kernel - arch/arm64/kvm/va_layout.c:255:6: warning: no previous prototype for 'kvm_get_kimage

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Message-ID: <202101141739.Jzi39GqC-lkp@intel.com>
Date:   Thu, 14 Jan 2021 17:37:51 +0800
From:   kernel test robot <lkp@...el.com>
To:     Marc Zyngier <maz@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: arch/arm64/kvm/va_layout.c:255:6: warning: no previous prototype for
 'kvm_get_kimage_voffset'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   65f0d2414b7079556fbbcc070b3d1c9f9587606d
commit: 68b824e428c5fb5c3dc5ef80b1543e767534b58e KVM: arm64: Patch kimage_voffset instead of loading the EL1 value
date:   7 weeks ago
config: arm64-randconfig-r005-20210113 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
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=68b824e428c5fb5c3dc5ef80b1543e767534b58e
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 68b824e428c5fb5c3dc5ef80b1543e767534b58e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 

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/arm64/kvm/va_layout.c:138:6: warning: no previous prototype for 'kvm_patch_vector_branch' [-Wmissing-prototypes]
     138 | void kvm_patch_vector_branch(struct alt_instr *alt,
         |      ^~~~~~~~~~~~~~~~~~~~~~~
   arch/arm64/kvm/va_layout.c:249:6: warning: no previous prototype for 'kvm_update_kimg_phys_offset' [-Wmissing-prototypes]
     249 | void kvm_update_kimg_phys_offset(struct alt_instr *alt,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/arm64/kvm/va_layout.c:255:6: warning: no previous prototype for 'kvm_get_kimage_voffset' [-Wmissing-prototypes]
     255 | void kvm_get_kimage_voffset(struct alt_instr *alt,
         |      ^~~~~~~~~~~~~~~~~~~~~~

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for NVMEM_IMX_OCOTP
   Depends on NVMEM && (ARCH_MXC || COMPILE_TEST && HAS_IOMEM
   Selected by
   - ARM_IMX6Q_CPUFREQ && CPU_FREQ && (ARM || ARM64 && ARCH_MXC && REGULATOR_ANATOP


vim +/kvm_get_kimage_voffset +255 arch/arm64/kvm/va_layout.c

   254	
 > 255	void kvm_get_kimage_voffset(struct alt_instr *alt,

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

Download attachment ".config.gz" of type "application/gzip" (35745 bytes)