Re: [PATCH] [EFI,PCI] Allow disabling PCI busmastering on bridges during boot

From: kbuild test robot <lkp@intel.com>
To: Matthew Garrett <matthewgarrett@google.com>
Cc: kbuild-all@lists.01.org, linux-efi@vger.kernel.org,
	ard.biesheuvel@linaro.org, x86@kernel.org,
	linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
	Matthew Garrett <matthewgarrett@google.com>,
	Matthew Garrett <mjg59@google.com>
Subject: Re: [PATCH] [EFI,PCI] Allow disabling PCI busmastering on bridges during boot
Date: Wed, 4 Dec 2019 02:23:18 +0800	[thread overview]
Message-ID: <201912040049.FvIMQswU%lkp@intel.com> (raw)
In-Reply-To: <20191203004043.174977-1-matthewgarrett@google.com>

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Hi Matthew,

I love your patch! Yet something to improve:

[auto build test ERROR on v5.4-rc8]
[cannot apply to efi/next linus/master linux/master v5.4 v5.4-rc7 next-20191202 next-20191203]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Matthew-Garrett/Allow-disabling-PCI-busmastering-on-bridges-during-boot/20191203-084747
base:    af42d3466bdc8f39806b26f593604fdc54140bcb
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=arm64 

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

All error/warnings (new ones prefixed by >>):

   In file included from drivers/firmware//efi/libstub/pci.c:12:0:
   drivers/firmware//efi/libstub/pci.c: In function 'efi_pci_disable_bridge_busmaster':
>> arch/arm64/include/asm/efi.h:96:33: error: 'sys_table_arg' undeclared (first use in this function); did you mean 'sys_table'?
    #define efi_call_early(f, ...)  sys_table_arg->boottime->f(__VA_ARGS__)
                                    ^
>> drivers/firmware//efi/libstub/pci.c:29:11: note: in expansion of macro 'efi_call_early'
     status = efi_call_early(locate_handle,
              ^~~~~~~~~~~~~~
   arch/arm64/include/asm/efi.h:96:33: note: each undeclared identifier is reported only once for each function it appears in
    #define efi_call_early(f, ...)  sys_table_arg->boottime->f(__VA_ARGS__)
                                    ^
>> drivers/firmware//efi/libstub/pci.c:29:11: note: in expansion of macro 'efi_call_early'
     status = efi_call_early(locate_handle,
              ^~~~~~~~~~~~~~
>> arch/arm64/include/asm/efi.h:105:3: error: called object is not a function or function pointer
     ((protocol##_t *)instance)->f(instance, ##__VA_ARGS__)
     ~^~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/firmware//efi/libstub/pci.c:62:12: note: in expansion of macro 'efi_call_proto'
      status = efi_call_proto(efi_pci_io_protocol, pci.read, pci,
               ^~~~~~~~~~~~~~
>> arch/arm64/include/asm/efi.h:105:3: error: called object is not a function or function pointer
     ((protocol##_t *)instance)->f(instance, ##__VA_ARGS__)
     ~^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/firmware//efi/libstub/pci.c:70:12: note: in expansion of macro 'efi_call_proto'
      status = efi_call_proto(efi_pci_io_protocol, pci.read, pci,
               ^~~~~~~~~~~~~~
>> arch/arm64/include/asm/efi.h:105:3: error: called object is not a function or function pointer
     ((protocol##_t *)instance)->f(instance, ##__VA_ARGS__)
     ~^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/firmware//efi/libstub/pci.c:78:12: note: in expansion of macro 'efi_call_proto'
      status = efi_call_proto(efi_pci_io_protocol, pci.write, pci,
               ^~~~~~~~~~~~~~
--
   In file included from drivers/firmware/efi/libstub/pci.c:12:0:
   drivers/firmware/efi/libstub/pci.c: In function 'efi_pci_disable_bridge_busmaster':
>> arch/arm64/include/asm/efi.h:96:33: error: 'sys_table_arg' undeclared (first use in this function); did you mean 'sys_table'?
    #define efi_call_early(f, ...)  sys_table_arg->boottime->f(__VA_ARGS__)
                                    ^
   drivers/firmware/efi/libstub/pci.c:29:11: note: in expansion of macro 'efi_call_early'
     status = efi_call_early(locate_handle,
              ^~~~~~~~~~~~~~
   arch/arm64/include/asm/efi.h:96:33: note: each undeclared identifier is reported only once for each function it appears in
    #define efi_call_early(f, ...)  sys_table_arg->boottime->f(__VA_ARGS__)
                                    ^
   drivers/firmware/efi/libstub/pci.c:29:11: note: in expansion of macro 'efi_call_early'
     status = efi_call_early(locate_handle,
              ^~~~~~~~~~~~~~
>> arch/arm64/include/asm/efi.h:105:3: error: called object is not a function or function pointer
     ((protocol##_t *)instance)->f(instance, ##__VA_ARGS__)
     ~^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/firmware/efi/libstub/pci.c:62:12: note: in expansion of macro 'efi_call_proto'
      status = efi_call_proto(efi_pci_io_protocol, pci.read, pci,
               ^~~~~~~~~~~~~~
>> arch/arm64/include/asm/efi.h:105:3: error: called object is not a function or function pointer
     ((protocol##_t *)instance)->f(instance, ##__VA_ARGS__)
     ~^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/firmware/efi/libstub/pci.c:70:12: note: in expansion of macro 'efi_call_proto'
      status = efi_call_proto(efi_pci_io_protocol, pci.read, pci,
               ^~~~~~~~~~~~~~
>> arch/arm64/include/asm/efi.h:105:3: error: called object is not a function or function pointer
     ((protocol##_t *)instance)->f(instance, ##__VA_ARGS__)
     ~^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/firmware/efi/libstub/pci.c:78:12: note: in expansion of macro 'efi_call_proto'
      status = efi_call_proto(efi_pci_io_protocol, pci.write, pci,
               ^~~~~~~~~~~~~~

vim +96 arch/arm64/include/asm/efi.h

a13b00778e89c4 Ard Biesheuvel 2014-07-02   95  
a13b00778e89c4 Ard Biesheuvel 2014-07-02  @96  #define efi_call_early(f, ...)		sys_table_arg->boottime->f(__VA_ARGS__)
fc37206427ce38 Ard Biesheuvel 2016-04-25   97  #define __efi_call_early(f, ...)	f(__VA_ARGS__)
6d0ca4a47bf8cb David Howells  2017-02-06   98  #define efi_call_runtime(f, ...)	sys_table_arg->runtime->f(__VA_ARGS__)
fc37206427ce38 Ard Biesheuvel 2016-04-25   99  #define efi_is_64bit()			(true)
a13b00778e89c4 Ard Biesheuvel 2014-07-02  100  
c4db9c1e8c70bc Lukas Wunner   2018-07-20  101  #define efi_table_attr(table, attr, instance)				\
c4db9c1e8c70bc Lukas Wunner   2018-07-20  102  	((table##_t *)instance)->attr
c4db9c1e8c70bc Lukas Wunner   2018-07-20  103  
3552fdf29f01e5 Lukas Wunner   2016-11-12  104  #define efi_call_proto(protocol, f, instance, ...)			\
3552fdf29f01e5 Lukas Wunner   2016-11-12 @105  	((protocol##_t *)instance)->f(instance, ##__VA_ARGS__)
3552fdf29f01e5 Lukas Wunner   2016-11-12  106  

:::::: The code at line 96 was first introduced by commit
:::::: a13b00778e89c405cb224ef0926be6d71682d2a2 efi/arm64: efistub: Move shared dependencies to <asm/efi.h>

:::::: TO: Ard Biesheuvel <ard.biesheuvel@linaro.org>
:::::: CC: Matt Fleming <matt.fleming@intel.com>

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

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