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* [efi:next 3/4] arch/x86/platform/efi/efi_64.c:163:23: error: passing 'const void to parameter of type 'volatile void discards qualifiers
@ 2021-03-16 22:28 ` kernel test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-03-16 22:28 UTC (permalink / raw)
  To: Ard Biesheuvel; +Cc: kbuild-all, clang-built-linux, linux-efi

[-- Attachment #1: Type: text/plain, Size: 4278 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git next
head:   e233b65935c946ba420ba1b5a42f9b5625861da8
commit: ceec4ec8c41f622b7076157288804549b18fea04 [3/4] efi: use const* paramaters for get/setvar by-ref arguments annotated as IN
config: x86_64-randconfig-a004-20210316 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 50c7504a93fdb90c26870db8c8ea7add895c7725)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git/commit/?id=ceec4ec8c41f622b7076157288804549b18fea04
        git remote add efi https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git
        git fetch --no-tags efi next
        git checkout ceec4ec8c41f622b7076157288804549b18fea04
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> arch/x86/platform/efi/efi_64.c:163:23: error: passing 'const void *' to parameter of type 'volatile void *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
                   return virt_to_phys(va);
                                       ^~
   arch/x86/include/asm/io.h:129:55: note: passing argument to parameter 'address' here
   static inline phys_addr_t virt_to_phys(volatile void *address)
                                                         ^
>> arch/x86/platform/efi/efi_64.c:165:25: error: passing 'const void *' to parameter of type 'void *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
           pa = slow_virt_to_phys(va);
                                  ^~
   arch/x86/include/asm/pgtable_types.h:569:44: note: passing argument to parameter '__address' here
   extern phys_addr_t slow_virt_to_phys(void *__address);
                                              ^
   2 errors generated.


vim +163 arch/x86/platform/efi/efi_64.c

d2f7cbe7b26a74 Borislav Petkov 2013-10-31  150  
f6697df36bdf0b Matt Fleming    2016-11-12  151  /*
f6697df36bdf0b Matt Fleming    2016-11-12  152   * Wrapper for slow_virt_to_phys() that handles NULL addresses.
f6697df36bdf0b Matt Fleming    2016-11-12  153   */
f6697df36bdf0b Matt Fleming    2016-11-12  154  static inline phys_addr_t
ceec4ec8c41f62 Ard Biesheuvel  2021-03-12  155  virt_to_phys_or_null_size(const void *va, unsigned long size)
f6697df36bdf0b Matt Fleming    2016-11-12  156  {
8319e9d5ad98ff Ard Biesheuvel  2020-02-21  157  	phys_addr_t pa;
f6697df36bdf0b Matt Fleming    2016-11-12  158  
f6697df36bdf0b Matt Fleming    2016-11-12  159  	if (!va)
f6697df36bdf0b Matt Fleming    2016-11-12  160  		return 0;
f6697df36bdf0b Matt Fleming    2016-11-12  161  
f6697df36bdf0b Matt Fleming    2016-11-12  162  	if (virt_addr_valid(va))
f6697df36bdf0b Matt Fleming    2016-11-12 @163  		return virt_to_phys(va);
f6697df36bdf0b Matt Fleming    2016-11-12  164  
8319e9d5ad98ff Ard Biesheuvel  2020-02-21 @165  	pa = slow_virt_to_phys(va);
f6697df36bdf0b Matt Fleming    2016-11-12  166  
8319e9d5ad98ff Ard Biesheuvel  2020-02-21  167  	/* check if the object crosses a page boundary */
8319e9d5ad98ff Ard Biesheuvel  2020-02-21  168  	if (WARN_ON((pa ^ (pa + size - 1)) & PAGE_MASK))
8319e9d5ad98ff Ard Biesheuvel  2020-02-21  169  		return 0;
f6697df36bdf0b Matt Fleming    2016-11-12  170  
8319e9d5ad98ff Ard Biesheuvel  2020-02-21  171  	return pa;
f6697df36bdf0b Matt Fleming    2016-11-12  172  }
f6697df36bdf0b Matt Fleming    2016-11-12  173  

:::::: The code at line 163 was first introduced by commit
:::::: f6697df36bdf0bf7fce984605c2918d4a7b4269f x86/efi: Prevent mixed mode boot corruption with CONFIG_VMAP_STACK=y

:::::: TO: Matt Fleming <matt@codeblueprint.co.uk>
:::::: CC: Ingo Molnar <mingo@kernel.org>

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

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 32114 bytes --]

^ permalink raw reply	[flat|nested] 2+ messages in thread
* [efi:next 3/4] arch/x86/platform/efi/efi_64.c:163:23: error: passing 'const void to parameter of type 'volatile void discards qualifiers
@ 2021-03-16 22:28 ` kernel test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-03-16 22:28 UTC (permalink / raw)
  To: kbuild-all

[-- Attachment #1: Type: text/plain, Size: 4353 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git next
head:   e233b65935c946ba420ba1b5a42f9b5625861da8
commit: ceec4ec8c41f622b7076157288804549b18fea04 [3/4] efi: use const* paramaters for get/setvar by-ref arguments annotated as IN
config: x86_64-randconfig-a004-20210316 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 50c7504a93fdb90c26870db8c8ea7add895c7725)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git/commit/?id=ceec4ec8c41f622b7076157288804549b18fea04
        git remote add efi https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git
        git fetch --no-tags efi next
        git checkout ceec4ec8c41f622b7076157288804549b18fea04
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> arch/x86/platform/efi/efi_64.c:163:23: error: passing 'const void *' to parameter of type 'volatile void *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
                   return virt_to_phys(va);
                                       ^~
   arch/x86/include/asm/io.h:129:55: note: passing argument to parameter 'address' here
   static inline phys_addr_t virt_to_phys(volatile void *address)
                                                         ^
>> arch/x86/platform/efi/efi_64.c:165:25: error: passing 'const void *' to parameter of type 'void *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
           pa = slow_virt_to_phys(va);
                                  ^~
   arch/x86/include/asm/pgtable_types.h:569:44: note: passing argument to parameter '__address' here
   extern phys_addr_t slow_virt_to_phys(void *__address);
                                              ^
   2 errors generated.


vim +163 arch/x86/platform/efi/efi_64.c

d2f7cbe7b26a74 Borislav Petkov 2013-10-31  150  
f6697df36bdf0b Matt Fleming    2016-11-12  151  /*
f6697df36bdf0b Matt Fleming    2016-11-12  152   * Wrapper for slow_virt_to_phys() that handles NULL addresses.
f6697df36bdf0b Matt Fleming    2016-11-12  153   */
f6697df36bdf0b Matt Fleming    2016-11-12  154  static inline phys_addr_t
ceec4ec8c41f62 Ard Biesheuvel  2021-03-12  155  virt_to_phys_or_null_size(const void *va, unsigned long size)
f6697df36bdf0b Matt Fleming    2016-11-12  156  {
8319e9d5ad98ff Ard Biesheuvel  2020-02-21  157  	phys_addr_t pa;
f6697df36bdf0b Matt Fleming    2016-11-12  158  
f6697df36bdf0b Matt Fleming    2016-11-12  159  	if (!va)
f6697df36bdf0b Matt Fleming    2016-11-12  160  		return 0;
f6697df36bdf0b Matt Fleming    2016-11-12  161  
f6697df36bdf0b Matt Fleming    2016-11-12  162  	if (virt_addr_valid(va))
f6697df36bdf0b Matt Fleming    2016-11-12 @163  		return virt_to_phys(va);
f6697df36bdf0b Matt Fleming    2016-11-12  164  
8319e9d5ad98ff Ard Biesheuvel  2020-02-21 @165  	pa = slow_virt_to_phys(va);
f6697df36bdf0b Matt Fleming    2016-11-12  166  
8319e9d5ad98ff Ard Biesheuvel  2020-02-21  167  	/* check if the object crosses a page boundary */
8319e9d5ad98ff Ard Biesheuvel  2020-02-21  168  	if (WARN_ON((pa ^ (pa + size - 1)) & PAGE_MASK))
8319e9d5ad98ff Ard Biesheuvel  2020-02-21  169  		return 0;
f6697df36bdf0b Matt Fleming    2016-11-12  170  
8319e9d5ad98ff Ard Biesheuvel  2020-02-21  171  	return pa;
f6697df36bdf0b Matt Fleming    2016-11-12  172  }
f6697df36bdf0b Matt Fleming    2016-11-12  173  

:::::: The code at line 163 was first introduced by commit
:::::: f6697df36bdf0bf7fce984605c2918d4a7b4269f x86/efi: Prevent mixed mode boot corruption with CONFIG_VMAP_STACK=y

:::::: TO: Matt Fleming <matt@codeblueprint.co.uk>
:::::: CC: Ingo Molnar <mingo@kernel.org>

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

[-- Attachment #2: config.gz --]
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^ permalink raw reply	[flat|nested] 2+ messages in thread
end of thread, other threads:[~2021-03-16 22:29 UTC | newest]

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2021-03-16 22:28 [efi:next 3/4] arch/x86/platform/efi/efi_64.c:163:23: error: passing 'const void to parameter of type 'volatile void discards qualifiers kernel test robot
2021-03-16 22:28 ` kernel test robot

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