Re: [kbuild-all] Re: drivers/firmware/efi/libstub/zboot.c:163:1: sparse: sparse: symbol 'efi_zboot_entry' was not declared. Should it be static?

From: Chen, Rong A
Date: Wed Oct 19 2022 - 05:25:22 EST




On 10/19/2022 3:50 AM, Ard Biesheuvel wrote:
This is another spurious report of an asmlinkage symbol.

Hi Ard,

Thanks for your reply, we'll add this warning to the ignore list.

Best Regards,
Rong Chen


On Tue, 18 Oct 2022 at 21:49, kernel test robot <lkp@xxxxxxxxx> wrote:

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@xxxxxxxxx>

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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