[PATCH 1/5] powerpc/64s: Kernel Hypervisor Restricted Access Prevention
kbuild test robot
lkp at intel.com
Wed Oct 17 21:07:04 AEDT 2018
Hi Russell,
I love your patch! Yet something to improve:
[auto build test ERROR on powerpc/next]
[also build test ERROR on next-20181016]
[cannot apply to v4.19-rc8]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Russell-Currey/powerpc-64s-Kernel-Hypervisor-Restricted-Access-Prevention/20181017-153543
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-storcenter_defconfig (attached as .config)
compiler: powerpc-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
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=7.2.0 make.cross ARCH=powerpc
All errors (new ones prefixed by >>):
In file included from include/linux/uaccess.h:14:0,
from net/core/datagram.c:40:
arch/powerpc/include/asm/uaccess.h: In function 'unlock_user_access':
>> arch/powerpc/include/asm/uaccess.h:69:6: error: implicit declaration of function 'mmu_has_feature'; did you mean 'firmware_has_feature'? [-Werror=implicit-function-declaration]
if (mmu_has_feature(MMU_FTR_RADIX_KHRAP)) {
^~~~~~~~~~~~~~~
firmware_has_feature
>> arch/powerpc/include/asm/uaccess.h:69:22: error: 'MMU_FTR_RADIX_KHRAP' undeclared (first use in this function); did you mean 'CPU_FTR_CAN_NAP'?
if (mmu_has_feature(MMU_FTR_RADIX_KHRAP)) {
^~~~~~~~~~~~~~~~~~~
CPU_FTR_CAN_NAP
arch/powerpc/include/asm/uaccess.h:69:22: note: each undeclared identifier is reported only once for each function it appears in
arch/powerpc/include/asm/uaccess.h: In function 'lock_user_access':
arch/powerpc/include/asm/uaccess.h:83:22: error: 'MMU_FTR_RADIX_KHRAP' undeclared (first use in this function); did you mean 'CPU_FTR_CAN_NAP'?
if (mmu_has_feature(MMU_FTR_RADIX_KHRAP)) {
^~~~~~~~~~~~~~~~~~~
CPU_FTR_CAN_NAP
In file included from include/linux/mm_types.h:18:0,
from include/linux/mm.h:17,
from net/core/datagram.c:41:
arch/powerpc/include/asm/mmu.h: At top level:
>> arch/powerpc/include/asm/mmu.h:209:20: error: conflicting types for 'mmu_has_feature'
static inline bool mmu_has_feature(unsigned long feature)
^~~~~~~~~~~~~~~
In file included from include/linux/uaccess.h:14:0,
from net/core/datagram.c:40:
arch/powerpc/include/asm/uaccess.h:69:6: note: previous implicit declaration of 'mmu_has_feature' was here
if (mmu_has_feature(MMU_FTR_RADIX_KHRAP)) {
^~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from include/linux/uaccess.h:14:0,
from include/linux/crypto.h:26,
from include/crypto/skcipher.h:16,
from include/crypto/chacha20.h:9,
from lib/chacha20.c:17:
arch/powerpc/include/asm/uaccess.h: In function 'unlock_user_access':
>> arch/powerpc/include/asm/uaccess.h:69:6: error: implicit declaration of function 'mmu_has_feature'; did you mean 'firmware_has_feature'? [-Werror=implicit-function-declaration]
if (mmu_has_feature(MMU_FTR_RADIX_KHRAP)) {
^~~~~~~~~~~~~~~
firmware_has_feature
>> arch/powerpc/include/asm/uaccess.h:69:22: error: 'MMU_FTR_RADIX_KHRAP' undeclared (first use in this function); did you mean 'CPU_FTR_CAN_NAP'?
if (mmu_has_feature(MMU_FTR_RADIX_KHRAP)) {
^~~~~~~~~~~~~~~~~~~
CPU_FTR_CAN_NAP
arch/powerpc/include/asm/uaccess.h:69:22: note: each undeclared identifier is reported only once for each function it appears in
arch/powerpc/include/asm/uaccess.h: In function 'lock_user_access':
arch/powerpc/include/asm/uaccess.h:83:22: error: 'MMU_FTR_RADIX_KHRAP' undeclared (first use in this function); did you mean 'CPU_FTR_CAN_NAP'?
if (mmu_has_feature(MMU_FTR_RADIX_KHRAP)) {
^~~~~~~~~~~~~~~~~~~
CPU_FTR_CAN_NAP
cc1: some warnings being treated as errors
--
In file included from include/linux/uaccess.h:14:0,
from arch/powerpc/kernel/module.c:25:
arch/powerpc/include/asm/uaccess.h: In function 'unlock_user_access':
>> arch/powerpc/include/asm/uaccess.h:69:6: error: implicit declaration of function 'mmu_has_feature'; did you mean 'firmware_has_feature'? [-Werror=implicit-function-declaration]
if (mmu_has_feature(MMU_FTR_RADIX_KHRAP)) {
^~~~~~~~~~~~~~~
firmware_has_feature
>> arch/powerpc/include/asm/uaccess.h:69:22: error: 'MMU_FTR_RADIX_KHRAP' undeclared (first use in this function); did you mean 'CPU_FTR_CAN_NAP'?
if (mmu_has_feature(MMU_FTR_RADIX_KHRAP)) {
^~~~~~~~~~~~~~~~~~~
CPU_FTR_CAN_NAP
arch/powerpc/include/asm/uaccess.h:69:22: note: each undeclared identifier is reported only once for each function it appears in
arch/powerpc/include/asm/uaccess.h: In function 'lock_user_access':
arch/powerpc/include/asm/uaccess.h:83:22: error: 'MMU_FTR_RADIX_KHRAP' undeclared (first use in this function); did you mean 'CPU_FTR_CAN_NAP'?
if (mmu_has_feature(MMU_FTR_RADIX_KHRAP)) {
^~~~~~~~~~~~~~~~~~~
CPU_FTR_CAN_NAP
cc1: all warnings being treated as errors
vim +69 arch/powerpc/include/asm/uaccess.h
64
65 static inline unsigned long unlock_user_access(void)
66 {
67 unsigned long amr;
68
> 69 if (mmu_has_feature(MMU_FTR_RADIX_KHRAP)) {
70 amr = mfspr(SPRN_AMR);
71
72 isync();
73 mtspr(SPRN_AMR, 0);
74 isync();
75 return amr;
76 }
77
78 return 0;
79 }
80
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
-------------- next part --------------
A non-text attachment was scrubbed...
Name: .config.gz
Type: application/gzip
Size: 15031 bytes
Desc: not available
URL: <http://lists.ozlabs.org/pipermail/linuxppc-dev/attachments/20181017/ddfc2019/attachment-0001.gz>
More information about the Linuxppc-dev
mailing list