Re: [PATCH 1/1] iommu/vt-d: Fix kdump kernels boot failure with scalable mode

From: kernel test robot
Date: Mon Aug 08 2022 - 05:05:29 EST


Hi Lu,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on next-20220808]
[cannot apply to joro-iommu/next v5.19]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Lu-Baolu/iommu-vt-d-Fix-kdump-kernels-boot-failure-with-scalable-mode/20220808-115156
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 4e23eeebb2e57f5a28b36221aa776b5a1122dde5
config: x86_64-randconfig-a011-20220808 (https://download.01.org/0day-ci/archive/20220808/202208081636.6sNc86bT-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 5f1c7e2cc5a3c07cbc2412e851a7283c1841f520)
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
# https://github.com/intel-lab-lkp/linux/commit/335018299049ac5dc13ff12d320b5952bed7e8f8
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Lu-Baolu/iommu-vt-d-Fix-kdump-kernels-boot-failure-with-scalable-mode/20220808-115156
git checkout 335018299049ac5dc13ff12d320b5952bed7e8f8
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

In file included from drivers/iommu/intel/dmar.c:33:
>> drivers/iommu/intel/iommu.h:705:14: error: no member named 'copied_tables' in 'struct intel_iommu'
if (!iommu->copied_tables)
~~~~~ ^
drivers/iommu/intel/iommu.h:708:51: error: no member named 'copied_tables' in 'struct intel_iommu'
return test_bit(((long)bus << 8) | devfn, iommu->copied_tables);
~~~~~ ^
include/linux/bitops.h:61:50: note: expanded from macro 'test_bit'
#define test_bit(nr, addr) bitop(_test_bit, nr, addr)
^~~~
include/linux/bitops.h:50:37: note: expanded from macro 'bitop'
__builtin_constant_p((uintptr_t)(addr) != (uintptr_t)NULL) && \
^~~~
In file included from drivers/iommu/intel/dmar.c:33:
drivers/iommu/intel/iommu.h:708:51: error: no member named 'copied_tables' in 'struct intel_iommu'
return test_bit(((long)bus << 8) | devfn, iommu->copied_tables);
~~~~~ ^
include/linux/bitops.h:61:50: note: expanded from macro 'test_bit'
#define test_bit(nr, addr) bitop(_test_bit, nr, addr)
^~~~
include/linux/bitops.h:51:16: note: expanded from macro 'bitop'
(uintptr_t)(addr) != (uintptr_t)NULL && \
^~~~
In file included from drivers/iommu/intel/dmar.c:33:
drivers/iommu/intel/iommu.h:708:51: error: no member named 'copied_tables' in 'struct intel_iommu'
return test_bit(((long)bus << 8) | devfn, iommu->copied_tables);
~~~~~ ^
include/linux/bitops.h:61:50: note: expanded from macro 'test_bit'
#define test_bit(nr, addr) bitop(_test_bit, nr, addr)
^~~~
include/linux/bitops.h:52:50: note: expanded from macro 'bitop'
__builtin_constant_p(*(const unsigned long *)(addr))) ? \
^~~~
In file included from drivers/iommu/intel/dmar.c:33:
drivers/iommu/intel/iommu.h:708:51: error: no member named 'copied_tables' in 'struct intel_iommu'
return test_bit(((long)bus << 8) | devfn, iommu->copied_tables);
~~~~~ ^
include/linux/bitops.h:61:50: note: expanded from macro 'test_bit'
#define test_bit(nr, addr) bitop(_test_bit, nr, addr)
^~~~
include/linux/bitops.h:53:17: note: expanded from macro 'bitop'
const##op(nr, addr) : op(nr, addr))
^~~~
In file included from drivers/iommu/intel/dmar.c:33:
drivers/iommu/intel/iommu.h:708:51: error: no member named 'copied_tables' in 'struct intel_iommu'
return test_bit(((long)bus << 8) | devfn, iommu->copied_tables);
~~~~~ ^
include/linux/bitops.h:61:50: note: expanded from macro 'test_bit'
#define test_bit(nr, addr) bitop(_test_bit, nr, addr)
^~~~
include/linux/bitops.h:53:32: note: expanded from macro 'bitop'
const##op(nr, addr) : op(nr, addr))
^~~~
6 errors generated.


vim +705 drivers/iommu/intel/iommu.h

702
703 static inline bool context_copied(struct intel_iommu *iommu, u8 bus, u8 devfn)
704 {
> 705 if (!iommu->copied_tables)
706 return false;
707
708 return test_bit(((long)bus << 8) | devfn, iommu->copied_tables);
709 }
710

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