Re: [PATCH 1/2] efi: Iterate over efi->memmap in for_each_efi_memory_desc

From: kbuild test robot <lkp@intel.com>
To: Matt Fleming <matt@codeblueprint.co.uk>
Cc: kbuild-all@01.org, linux-efi@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Tony Luck <tony.luck@gmail.com>,
	Matt Fleming <matt@codeblueprint.co.uk>,
	Mark Salter <msalter@redhat.com>,
	Leif Lindholm <leif.lindholm@linaro.org>
Subject: Re: [PATCH 1/2] efi: Iterate over efi->memmap in for_each_efi_memory_desc
Date: Mon, 11 Apr 2016 21:27:08 +0800	[thread overview]
Message-ID: <201604112154.9eO52Kn9%fengguang.wu@intel.com> (raw)
In-Reply-To: <1460379809-18490-2-git-send-email-matt@codeblueprint.co.uk>

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Hi Matt,

[auto build test ERROR on efi/next]
[cannot apply to v4.6-rc3 next-20160411]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Matt-Fleming/efi-Delete-global-memmap-variable/20160411-210837
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi.git next
config: ia64-allyesconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=ia64 

Note: the linux-review/Matt-Fleming/efi-Delete-global-memmap-variable/20160411-210837 HEAD 8fc82e8aa63ce89d26d143cce41530319212f7d8 builds fine.
      It only hurts bisectibility.

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

   drivers/firmware/efi/efi.c: In function 'efi_mem_desc_lookup':
>> drivers/firmware/efi/efi.c:259:31: warning: initialization from incompatible pointer type
     struct efi_memory_map *map = &efi.memmap;
                                  ^
   In file included from drivers/firmware/efi/efi.c:22:0:
   drivers/firmware/efi/efi.c: In function 'efi_mem_attributes':
>> include/linux/efi.h:973:37: error: invalid type argument of '->' (have 'struct efi')
     for_each_efi_memory_desc_in_map(efi->memmap, md)
                                        ^
   include/linux/efi.h:962:15: note: in definition of macro 'for_each_efi_memory_desc_in_map'
     for ((md) = (m)->map;         \
                  ^
>> drivers/firmware/efi/efi.c:628:2: note: in expansion of macro 'for_each_efi_memory_desc'
     for_each_efi_memory_desc(md) {
     ^
>> include/linux/efi.h:973:37: error: invalid type argument of '->' (have 'struct efi')
     for_each_efi_memory_desc_in_map(efi->memmap, md)
                                        ^
   include/linux/efi.h:963:38: note: in definition of macro 'for_each_efi_memory_desc_in_map'
          (md) <= (efi_memory_desc_t *)((m)->map_end - (m)->desc_size); \
                                         ^
>> drivers/firmware/efi/efi.c:628:2: note: in expansion of macro 'for_each_efi_memory_desc'
     for_each_efi_memory_desc(md) {
     ^
>> include/linux/efi.h:973:37: error: invalid type argument of '->' (have 'struct efi')
     for_each_efi_memory_desc_in_map(efi->memmap, md)
                                        ^
   include/linux/efi.h:963:53: note: in definition of macro 'for_each_efi_memory_desc_in_map'
          (md) <= (efi_memory_desc_t *)((m)->map_end - (m)->desc_size); \
                                                        ^
>> drivers/firmware/efi/efi.c:628:2: note: in expansion of macro 'for_each_efi_memory_desc'
     for_each_efi_memory_desc(md) {
     ^
>> include/linux/efi.h:973:37: error: invalid type argument of '->' (have 'struct efi')
     for_each_efi_memory_desc_in_map(efi->memmap, md)
                                        ^
   include/linux/efi.h:964:30: note: in definition of macro 'for_each_efi_memory_desc_in_map'
          (md) = (void *)(md) + (m)->desc_size)
                                 ^
>> drivers/firmware/efi/efi.c:628:2: note: in expansion of macro 'for_each_efi_memory_desc'
     for_each_efi_memory_desc(md) {
     ^

vim +973 include/linux/efi.h

   967	 * for_each_efi_memory_desc - iterate over descriptors in efi->memmap
   968	 * @md: the efi_memory_desc_t * iterator
   969	 *
   970	 * Once the loop finishes @md must not be accessed.
   971	 */
   972	#define for_each_efi_memory_desc(md) \
 > 973		for_each_efi_memory_desc_in_map(efi->memmap, md)
   974	
   975	/*
   976	 * Format an EFI memory descriptor's type and attributes to a user-provided

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