* [linux-stable-rc:linux-4.14.y 1552/3419] arch/powerpc/kernel/setup_64.c:870:6: error: no previous declaration for 'uaccess_flush_enable'
@ 2021-06-08 16:49 kernel test robot
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From: kernel test robot @ 2021-06-08 16:49 UTC (permalink / raw
To: kbuild-all
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y
head: db507a48851781973fbcaf77b9185543a56bd4b2
commit: a1fe39636e6fb60c8fe7e3b87a32cb561585399f [1552/3419] powerpc/64s: flush L1D after user accesses
config: powerpc-ps3_defconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 7.5.0
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://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=a1fe39636e6fb60c8fe7e3b87a32cb561585399f
git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
git fetch --no-tags linux-stable-rc linux-4.14.y
git checkout a1fe39636e6fb60c8fe7e3b87a32cb561585399f
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-7.5.0 make.cross ARCH=powerpc
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/powerpc/include/asm/book3s/64/mmu-hash.h:24:0,
from arch/powerpc/include/asm/book3s/64/mmu.h:30,
from arch/powerpc/include/asm/mmu.h:305,
from arch/powerpc/include/asm/lppaca.h:36,
from arch/powerpc/include/asm/paca.h:21,
from arch/powerpc/include/asm/current.h:16,
from include/linux/sched.h:12,
from arch/powerpc/kernel/setup_64.c:17:
arch/powerpc/include/asm/book3s/64/pgtable.h:1218:15: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers]
static inline const int pud_pfn(pud_t pud)
^~~~~
In file included from arch/powerpc/include/asm/kup.h:10:0,
from arch/powerpc/include/asm/uaccess.h:10,
from include/linux/uaccess.h:14,
from include/asm-generic/termios-base.h:8,
from arch/powerpc/include/asm/termios.h:20,
from include/uapi/linux/termios.h:6,
from include/linux/tty.h:7,
from arch/powerpc/kernel/setup_64.c:27:
arch/powerpc/include/asm/book3s/64/kup-radix.h:5:1: error: data definition has no type or storage class [-Werror]
DECLARE_STATIC_KEY_FALSE(uaccess_flush_key);
^~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/book3s/64/kup-radix.h:5:1: error: type defaults to 'int' in declaration of 'DECLARE_STATIC_KEY_FALSE' [-Werror=implicit-int]
arch/powerpc/include/asm/book3s/64/kup-radix.h:5:1: error: parameter names (without types) in function declaration [-Werror]
arch/powerpc/include/asm/book3s/64/kup-radix.h: In function 'prevent_user_access':
arch/powerpc/include/asm/book3s/64/kup-radix.h:18:6: error: implicit declaration of function 'static_branch_unlikely' [-Werror=implicit-function-declaration]
if (static_branch_unlikely(&uaccess_flush_key))
^~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/book3s/64/kup-radix.h:18:30: error: 'uaccess_flush_key' undeclared (first use in this function); did you mean 'do_uaccess_flush'?
if (static_branch_unlikely(&uaccess_flush_key))
^~~~~~~~~~~~~~~~~
do_uaccess_flush
arch/powerpc/include/asm/book3s/64/kup-radix.h:18:30: note: each undeclared identifier is reported only once for each function it appears in
arch/powerpc/kernel/setup_64.c: At top level:
arch/powerpc/kernel/setup_64.c:133:13: error: no previous declaration for 'check_smt_enabled' [-Werror=missing-declarations]
void __init check_smt_enabled(void)
^~~~~~~~~~~~~~~~~
arch/powerpc/kernel/setup_64.c:273:13: error: no previous declaration for 'early_setup' [-Werror=missing-declarations]
void __init early_setup(unsigned long dt_ptr)
^~~~~~~~~~~
arch/powerpc/kernel/setup_64.c:343:6: error: no previous declaration for 'early_setup_secondary' [-Werror=missing-declarations]
void early_setup_secondary(void)
^~~~~~~~~~~~~~~~~~~~~
arch/powerpc/kernel/setup_64.c:494:13: error: no previous declaration for 'initialize_cache_info' [-Werror=missing-declarations]
void __init initialize_cache_info(void)
^~~~~~~~~~~~~~~~~~~~~
arch/powerpc/kernel/setup_64.c:580:13: error: no previous declaration for 'irqstack_early_init' [-Werror=missing-declarations]
void __init irqstack_early_init(void)
^~~~~~~~~~~~~~~~~~~
arch/powerpc/kernel/setup_64.c:648:13: error: no previous declaration for 'emergency_stack_init' [-Werror=missing-declarations]
void __init emergency_stack_init(void)
^~~~~~~~~~~~~~~~~~~~
arch/powerpc/kernel/setup_64.c:858:6: error: no previous declaration for 'entry_flush_enable' [-Werror=missing-declarations]
void entry_flush_enable(bool enable)
^~~~~~~~~~~~~~~~~~
>> arch/powerpc/kernel/setup_64.c:870:6: error: no previous declaration for 'uaccess_flush_enable' [-Werror=missing-declarations]
void uaccess_flush_enable(bool enable)
^~~~~~~~~~~~~~~~~~~~
In file included from include/linux/serial_8250.h:14:0,
from arch/powerpc/kernel/setup_64.c:33:
include/linux/serial_core.h:391:19: error: 'earlycon_init_is_deferred' defined but not used [-Werror=unused-const-variable=]
static const bool earlycon_init_is_deferred;
^~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
vim +/uaccess_flush_enable +870 arch/powerpc/kernel/setup_64.c
869
> 870 void uaccess_flush_enable(bool enable)
871 {
872 if (enable) {
873 do_uaccess_flush_fixups(enabled_flush_types);
874 static_branch_enable(&uaccess_flush_key);
875 on_each_cpu(do_nothing, NULL, 1);
876 } else {
877 static_branch_disable(&uaccess_flush_key);
878 do_uaccess_flush_fixups(L1D_FLUSH_NONE);
879 }
880
881 uaccess_flush = enable;
882 }
883
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2021-06-08 16:49 [linux-stable-rc:linux-4.14.y 1552/3419] arch/powerpc/kernel/setup_64.c:870:6: error: no previous declaration for 'uaccess_flush_enable' kernel test robot
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