linux-kernel - drivers/firmware/efi/libstub/zboot.c:163:1: sparse: sparse: symbol 'efi_zboot_entry' was not declared. Should it be static?

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Date:   Wed, 19 Oct 2022 03:48:31 +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: drivers/firmware/efi/libstub/zboot.c:163:1: sparse: sparse: symbol
 'efi_zboot_entry' was not declared. Should it be static?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   bb1a1146467ad812bb65440696df0782e2bc63c8
commit: a050910972bb25152b42ad2e544652117c5ad915 efi/libstub: implement generic EFI zboot
date:   4 weeks ago
config: riscv-randconfig-s043-20221018
compiler: riscv64-linux-gcc (GCC) 12.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a050910972bb25152b42ad2e544652117c5ad915
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout a050910972bb25152b42ad2e544652117c5ad915
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv SHELL=/bin/bash drivers/firmware/efi/libstub/ lib/xz/

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

sparse warnings: (new ones prefixed by >>)
   WARNING: invalid argument to '-march': '_zihintpause'
   drivers/firmware/efi/libstub/zboot.c: note: in included file (through drivers/firmware/efi/libstub/../../../../lib/decompress_unxz.c):
>> drivers/firmware/efi/libstub/../../../../lib/xz/xz_dec_stream.c:393:28: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted __le32 const [usertype] *p @@     got unsigned int const [usertype] * @@
   drivers/firmware/efi/libstub/../../../../lib/xz/xz_dec_stream.c:393:28: sparse:     expected restricted __le32 const [usertype] *p
   drivers/firmware/efi/libstub/../../../../lib/xz/xz_dec_stream.c:393:28: sparse:     got unsigned int const [usertype] *
   drivers/firmware/efi/libstub/../../../../lib/xz/xz_dec_stream.c:427:48: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted __le32 const [usertype] *p @@     got unsigned int const [usertype] * @@
   drivers/firmware/efi/libstub/../../../../lib/xz/xz_dec_stream.c:427:48: sparse:     expected restricted __le32 const [usertype] *p
   drivers/firmware/efi/libstub/../../../../lib/xz/xz_dec_stream.c:427:48: sparse:     got unsigned int const [usertype] *
   drivers/firmware/efi/libstub/../../../../lib/xz/xz_dec_stream.c:435:37: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted __le32 const [usertype] *p @@     got unsigned int const [usertype] * @@
   drivers/firmware/efi/libstub/../../../../lib/xz/xz_dec_stream.c:435:37: sparse:     expected restricted __le32 const [usertype] *p
   drivers/firmware/efi/libstub/../../../../lib/xz/xz_dec_stream.c:435:37: sparse:     got unsigned int const [usertype] *
   drivers/firmware/efi/libstub/../../../../lib/xz/xz_dec_stream.c:459:28: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted __le32 const [usertype] *p @@     got unsigned int const [usertype] * @@
   drivers/firmware/efi/libstub/../../../../lib/xz/xz_dec_stream.c:459:28: sparse:     expected restricted __le32 const [usertype] *p
   drivers/firmware/efi/libstub/../../../../lib/xz/xz_dec_stream.c:459:28: sparse:     got unsigned int const [usertype] *
>> drivers/firmware/efi/libstub/zboot.c:163:1: sparse: sparse: symbol 'efi_zboot_entry' was not declared. Should it be static?

vim +/efi_zboot_entry +163 drivers/firmware/efi/libstub/zboot.c

   161	
   162	asmlinkage efi_status_t __efiapi
 > 163	efi_zboot_entry(efi_handle_t handle, efi_system_table_t *systab)

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

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