From: Bjorn Helgaas <helgaas@kernel.org>
To: kernel test robot <lkp@intel.com>
Cc: oe-kbuild-all@lists.linux.dev, Dave Jiang <dave.jiang@intel.com>
Subject: Re: [djiang:cxl-emulate-hdm 1/9] arch/x86/pci/mmconfig-shared.c:451: undefined reference to `efi'
Date: Fri, 20 Jan 2023 10:32:05 -0600 [thread overview]
Message-ID: <20230120163205.GA642679@bhelgaas> (raw)
In-Reply-To: <202301200823.art1eu2t-lkp@intel.com>
On Fri, Jan 20, 2023 at 08:53:56AM +0800, kernel test robot wrote:
> Hi Bjorn,
>
> FYI, the error/warning still remains.
Possibly the cxl-emulate-hdm branch should be updated? The current
file in Linus' tree does not have this problem:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/x86/pci/mmconfig-shared.c?id=v6.2-rc4#n446
The commit that was merged is:
https://git.kernel.org/linus/fd3a8cff4d4a
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/djiang/linux.git cxl-emulate-hdm
> head: 6c7fe26eb2f67816411bb41a976a6c50056aa574
> commit: b2b6d47f1b29b36472a90db110c9d2d421f04627 [1/9] x86/pci: Treat EfiMemoryMappedIO as reservation of ECAM space
> config: i386-randconfig-a001 (https://download.01.org/0day-ci/archive/20230120/202301200823.art1eu2t-lkp@intel.com/config)
> compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
> reproduce (this is a W=1 build):
> # https://git.kernel.org/pub/scm/linux/kernel/git/djiang/linux.git/commit/?id=b2b6d47f1b29b36472a90db110c9d2d421f04627
> git remote add djiang https://git.kernel.org/pub/scm/linux/kernel/git/djiang/linux.git
> git fetch --no-tags djiang cxl-emulate-hdm
> git checkout b2b6d47f1b29b36472a90db110c9d2d421f04627
> # save the config file
> mkdir build_dir && cp config build_dir/.config
> make W=1 O=build_dir ARCH=i386 olddefconfig
> make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
>
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):
>
> ld: arch/x86/pci/mmconfig-shared.o: in function `is_efi_reserved':
> >> arch/x86/pci/mmconfig-shared.c:451: undefined reference to `efi'
> >> ld: arch/x86/pci/mmconfig-shared.c:451: undefined reference to `efi'
> >> ld: arch/x86/pci/mmconfig-shared.c:451: undefined reference to `efi'
>
>
> vim +451 arch/x86/pci/mmconfig-shared.c
>
> 445
> 446 static bool is_efi_reserved(u64 start, u64 end, enum e820_type not_used)
> 447 {
> 448 efi_memory_desc_t *md;
> 449 u64 size, mmio_start, mmio_end;
> 450
> > 451 for_each_efi_memory_desc(md) {
> 452 if (md->type == EFI_MEMORY_MAPPED_IO) {
> 453 size = md->num_pages << EFI_PAGE_SHIFT;
> 454 mmio_start = md->phys_addr;
> 455 mmio_end = mmio_start + size - 1;
> 456
> 457 if (mmio_start <= start && end <= mmio_end)
> 458 return true;
> 459 }
> 460 }
> 461
> 462 return false;
> 463 }
> 464
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests
next prev parent reply other threads:[~2023-01-20 16:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-20 0:53 [djiang:cxl-emulate-hdm 1/9] arch/x86/pci/mmconfig-shared.c:451: undefined reference to `efi' kernel test robot
2023-01-20 16:32 ` Bjorn Helgaas [this message]
2023-01-20 16:59 ` Dave Jiang
-- strict thread matches above, loose matches on Subject: below --
2023-01-10 5:37 kernel test robot
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