linux-kernel - 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?

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Date:   Wed, 19 Oct 2022 17:09:46 +0800
From:   "Chen, Rong A" <rong.a.chen@...el.com>
To:     Ard Biesheuvel <ardb@...nel.org>, kernel test robot <lkp@...el.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: 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?



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@...el.com> 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@...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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