* [hch-misc:um-set_fs 1/2] arch/x86/kvm/mmu/spte.c:85:6: error: implicit declaration of function 'pat_enabled'; did you mean 'kasan_enabled'?
@ 2021-12-14 13:43 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-12-14 13:43 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 4291 bytes --]
tree: git://git.infradead.org/users/hch/misc.git um-set_fs
head: 62ef80add97f4b90b4435670fcd5c0a6bd424fad
commit: bc1802ed3414136e0dfe2ea0a747aca59dc33b5c [1/2] x86/mtrr: don't include <asm/memtype.h> for !CONFIG_MTRR
config: x86_64-randconfig-a006-20211214 (https://download.01.org/0day-ci/archive/20211214/202112142126.XDd02OOu-lkp(a)intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
git remote add hch-misc git://git.infradead.org/users/hch/misc.git
git fetch --no-tags hch-misc um-set_fs
git checkout bc1802ed3414136e0dfe2ea0a747aca59dc33b5c
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/kvm/
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 >>):
In file included from arch/x86/include/asm/kvm_host.h:31,
from include/linux/kvm_host.h:39,
from arch/x86/kvm/mmu/spte.c:12:
arch/x86/include/asm/mtrr.h: In function 'mtrr_bp_init':
arch/x86/include/asm/mtrr.h:89:2: error: implicit declaration of function 'pat_disable'; did you mean 'ptrace_disable'? [-Werror=implicit-function-declaration]
89 | pat_disable("PAT support disabled because CONFIG_MTRR is disabled in the kernel.");
| ^~~~~~~~~~~
| ptrace_disable
arch/x86/kvm/mmu/spte.c: In function 'kvm_is_mmio_pfn':
>> arch/x86/kvm/mmu/spte.c:85:6: error: implicit declaration of function 'pat_enabled'; did you mean 'kasan_enabled'? [-Werror=implicit-function-declaration]
85 | (!pat_enabled() || pat_pfn_immune_to_uc_mtrr(pfn));
| ^~~~~~~~~~~
| kasan_enabled
>> arch/x86/kvm/mmu/spte.c:85:23: error: implicit declaration of function 'pat_pfn_immune_to_uc_mtrr' [-Werror=implicit-function-declaration]
85 | (!pat_enabled() || pat_pfn_immune_to_uc_mtrr(pfn));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +85 arch/x86/kvm/mmu/spte.c
5a9624affe7c74 Paolo Bonzini 2020-10-16 70
5a9624affe7c74 Paolo Bonzini 2020-10-16 71 static bool kvm_is_mmio_pfn(kvm_pfn_t pfn)
5a9624affe7c74 Paolo Bonzini 2020-10-16 72 {
5a9624affe7c74 Paolo Bonzini 2020-10-16 73 if (pfn_valid(pfn))
5a9624affe7c74 Paolo Bonzini 2020-10-16 74 return !is_zero_pfn(pfn) && PageReserved(pfn_to_page(pfn)) &&
5a9624affe7c74 Paolo Bonzini 2020-10-16 75 /*
5a9624affe7c74 Paolo Bonzini 2020-10-16 76 * Some reserved pages, such as those from NVDIMM
5a9624affe7c74 Paolo Bonzini 2020-10-16 77 * DAX devices, are not for MMIO, and can be mapped
5a9624affe7c74 Paolo Bonzini 2020-10-16 78 * with cached memory type for better performance.
5a9624affe7c74 Paolo Bonzini 2020-10-16 79 * However, the above check misconceives those pages
5a9624affe7c74 Paolo Bonzini 2020-10-16 80 * as MMIO, and results in KVM mapping them with UC
5a9624affe7c74 Paolo Bonzini 2020-10-16 81 * memory type, which would hurt the performance.
5a9624affe7c74 Paolo Bonzini 2020-10-16 82 * Therefore, we check the host memory type in addition
5a9624affe7c74 Paolo Bonzini 2020-10-16 83 * and only treat UC/UC-/WC pages as MMIO.
5a9624affe7c74 Paolo Bonzini 2020-10-16 84 */
5a9624affe7c74 Paolo Bonzini 2020-10-16 @85 (!pat_enabled() || pat_pfn_immune_to_uc_mtrr(pfn));
5a9624affe7c74 Paolo Bonzini 2020-10-16 86
5a9624affe7c74 Paolo Bonzini 2020-10-16 87 return !e820__mapped_raw_any(pfn_to_hpa(pfn),
5a9624affe7c74 Paolo Bonzini 2020-10-16 88 pfn_to_hpa(pfn + 1) - 1,
5a9624affe7c74 Paolo Bonzini 2020-10-16 89 E820_TYPE_RAM);
5a9624affe7c74 Paolo Bonzini 2020-10-16 90 }
5a9624affe7c74 Paolo Bonzini 2020-10-16 91
:::::: The code at line 85 was first introduced by commit
:::::: 5a9624affe7c7498fb395879d9bb613628e89e60 KVM: mmu: extract spte.h and spte.c
:::::: TO: Paolo Bonzini <pbonzini@redhat.com>
:::::: CC: Paolo Bonzini <pbonzini@redhat.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
^ permalink raw reply [flat|nested] 2+ messages in thread
* [hch-misc:um-set_fs 1/2] arch/x86/kvm/mmu/spte.c:85:6: error: implicit declaration of function 'pat_enabled'; did you mean 'kasan_enabled'?
@ 2021-12-15 17:59 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2021-12-15 17:59 UTC (permalink / raw)
To: kbuild-all
[-- Attachment #1: Type: text/plain, Size: 3733 bytes --]
tree: git://git.infradead.org/users/hch/misc.git um-set_fs
head: 10f824225a08987e764b65f12a1a6e276fbd9b95
commit: e4ae0f9a217d88fea3da7a08cedf32b4d9a84896 [1/2] x86/mtrr: remove the mtrr_bp_init stub
config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20211216/202112160131.vnaM5zs6-lkp(a)intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
git remote add hch-misc git://git.infradead.org/users/hch/misc.git
git fetch --no-tags hch-misc um-set_fs
git checkout e4ae0f9a217d88fea3da7a08cedf32b4d9a84896
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/kvm/
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/kvm/mmu/spte.c: In function 'kvm_is_mmio_pfn':
>> arch/x86/kvm/mmu/spte.c:85:6: error: implicit declaration of function 'pat_enabled'; did you mean 'kasan_enabled'? [-Werror=implicit-function-declaration]
85 | (!pat_enabled() || pat_pfn_immune_to_uc_mtrr(pfn));
| ^~~~~~~~~~~
| kasan_enabled
>> arch/x86/kvm/mmu/spte.c:85:23: error: implicit declaration of function 'pat_pfn_immune_to_uc_mtrr' [-Werror=implicit-function-declaration]
85 | (!pat_enabled() || pat_pfn_immune_to_uc_mtrr(pfn));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +85 arch/x86/kvm/mmu/spte.c
5a9624affe7c749 Paolo Bonzini 2020-10-16 70
5a9624affe7c749 Paolo Bonzini 2020-10-16 71 static bool kvm_is_mmio_pfn(kvm_pfn_t pfn)
5a9624affe7c749 Paolo Bonzini 2020-10-16 72 {
5a9624affe7c749 Paolo Bonzini 2020-10-16 73 if (pfn_valid(pfn))
5a9624affe7c749 Paolo Bonzini 2020-10-16 74 return !is_zero_pfn(pfn) && PageReserved(pfn_to_page(pfn)) &&
5a9624affe7c749 Paolo Bonzini 2020-10-16 75 /*
5a9624affe7c749 Paolo Bonzini 2020-10-16 76 * Some reserved pages, such as those from NVDIMM
5a9624affe7c749 Paolo Bonzini 2020-10-16 77 * DAX devices, are not for MMIO, and can be mapped
5a9624affe7c749 Paolo Bonzini 2020-10-16 78 * with cached memory type for better performance.
5a9624affe7c749 Paolo Bonzini 2020-10-16 79 * However, the above check misconceives those pages
5a9624affe7c749 Paolo Bonzini 2020-10-16 80 * as MMIO, and results in KVM mapping them with UC
5a9624affe7c749 Paolo Bonzini 2020-10-16 81 * memory type, which would hurt the performance.
5a9624affe7c749 Paolo Bonzini 2020-10-16 82 * Therefore, we check the host memory type in addition
5a9624affe7c749 Paolo Bonzini 2020-10-16 83 * and only treat UC/UC-/WC pages as MMIO.
5a9624affe7c749 Paolo Bonzini 2020-10-16 84 */
5a9624affe7c749 Paolo Bonzini 2020-10-16 @85 (!pat_enabled() || pat_pfn_immune_to_uc_mtrr(pfn));
5a9624affe7c749 Paolo Bonzini 2020-10-16 86
5a9624affe7c749 Paolo Bonzini 2020-10-16 87 return !e820__mapped_raw_any(pfn_to_hpa(pfn),
5a9624affe7c749 Paolo Bonzini 2020-10-16 88 pfn_to_hpa(pfn + 1) - 1,
5a9624affe7c749 Paolo Bonzini 2020-10-16 89 E820_TYPE_RAM);
5a9624affe7c749 Paolo Bonzini 2020-10-16 90 }
5a9624affe7c749 Paolo Bonzini 2020-10-16 91
:::::: The code at line 85 was first introduced by commit
:::::: 5a9624affe7c7498fb395879d9bb613628e89e60 KVM: mmu: extract spte.h and spte.c
:::::: TO: Paolo Bonzini <pbonzini@redhat.com>
:::::: CC: Paolo Bonzini <pbonzini@redhat.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-12-14 13:43 [hch-misc:um-set_fs 1/2] arch/x86/kvm/mmu/spte.c:85:6: error: implicit declaration of function 'pat_enabled'; did you mean 'kasan_enabled'? kernel test robot
2021-12-15 17:59 kernel test robot
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